Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
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| optimal cotton insecticide application termination timing: a meta-analysis. | the concept of insecticide termination timing is generally accepted among cotton (gossypium hirsutum) researchers; however, exact timings are often disputed. specifically, there is uncertainty regarding the last economic insecticide application to control fruit-feeding pests including tarnished plant bug (lygus lineolaris (palisot de beauvois)), boll weevil (anthonomus grandis), bollworm (helicoverpa zea), tobacco budworm (heliothis virescens), and cotton fleahopper (pseudatomoscelis seriatus). ... | 2016 | 27329633 |
| the cotton mitogen-activated protein kinase kinase 3 functions in drought tolerance by regulating stomatal responses and root growth. | mitogen-activated protein kinase (mapk) cascades play critical roles in signal transduction processes in eukaryotes. the mapk kinases (mapkks) that link mapkk kinases (mapkkks) and mapks are key components of mapk cascades. however, the intricate regulatory mechanisms that control mapkks under drought stress conditions are not fully understood, especially in cotton (gossypium hirsutum) here, we isolated and characterized the cotton group b mapkk gene ghmkk3 overexpressing ghmkk3 in nicotiana ben ... | 2016 | 27335349 |
| genetic effects and heterosis of yield and yield component traits based on gossypium barbadense chromosome segment substitution lines in two gossypium hirsutum backgrounds. | we hybridized 10 chromosome segment substitution lines (cssls) each from two cssl populations and produced 50 f1 hybrids according to north carolina design ii. we analyzed the genetic effects and heterosis of yield and yield components in the f1 hybrids and parents in four environments via the additive-dominance genetic model. yield and yield components of the cssls were controlled by combined additive and dominance effects, and lint percentage was mainly controlled by additive effects, but boll ... | 2016 | 27348815 |
| mining and analysis of snp in response to salinity stress in upland cotton (gossypium hirsutum l.). | salinity stress is a major abiotic factor that affects crop output, and as a pioneer crop in saline and alkaline land, salt tolerance study of cotton is particularly important. in our experiment, four salt-tolerance varieties with different salt tolerance indexes including cri35 (65.04%), kanghuanwei164 (56.19%), zhong9807 (55.20%) and cri44 (50.50%), as well as four salt-sensitive cotton varieties including hengmian3 (48.21%), gk50 (40.20%), xinyan96-48 (34.90%), zhongs9612 (24.80%) were used a ... | 2016 | 27355327 |
| partial life history of chrysodeixis includens (lepidoptera: noctuidae) on summer hosts. | the soybean looper, chrysodeixis includens (walker) (lepidoptera: noctuidae), is a major defoliating pest of soybeans, glycine max (l.) merrill, in louisiana. however, other alternate host crops in the agroecosystem have the potential to impact c. includens populations. life table statistics of c. includens on four host plants were evaluated. c. includens larvae were fed leaves of three cotton gossypium hirsutum l. cultivars 'dp 143 b2rf,' 'dp 174 rf,' and 'phy 485 wrf'; cowpea vigna unguiculata ... | 2016 | 27375294 |
| structure of exogenous gene integration and event-specific detection in the glyphosate-tolerant transgenic cotton line bg2-7. | in this study, the flanking sequence of an inserted fragment conferring glyphosate tolerance on transgenic cotton line bg2-7 was analyzed by thermal asymmetric interlaced polymerase chain reaction (tail-pcr) and standard pcr. the results showed apparent insertion of the exogenous gene into chromosome d10 of the gossypium hirsutum l. genome, as the left and right borders of the inserted fragment are nucleotides 61,962,952 and 61,962,921 of chromosome d10, respectively. in addition, a 31-bp cotton ... | 2016 | 27379683 |
| evaluation of brevibacillus brevis as a potential plant growth promoting rhizobacteria for cotton (gossypium hirsutum) crop. | the present investigation was undertaken to isolate, screen and evaluate a selected promising pgpr brevibacillus brevis on cotton crop. out of 156 bacterial isolates one of the most promising isolate was analyzed for the various pgp traits. a seed germination analysis was conducted with cotton seeds to evaluate the potential of the isolate to promote plant growth. the bacterial isolate was checked for its growth and survival at high temperatures. the isolate was also analyzed for the pgp traits ... | 2016 | 27386392 |
| high expression of cry1ac protein in cotton (gossypium hirsutum) by combining independent transgenic events that target the protein to cytoplasm and plastids. | transgenic cotton was developed using two constructs containing a truncated and codon-modified cry1ac gene (1,848 bp), which was originally characterized from bacillus thuringiensis subspecies kurstaki strain hd73 that encodes a toxin highly effective against many lepidopteran pests. in construct i, the cry1ac gene was cloned under fmvde, a strong constitutively expressing promoter, to express the encoded protein in the cytoplasm. in construct ii, the encoded protein was directed to the plastids ... | 2016 | 27391960 |
| overexpression of ghsarp1 encoding a e3 ligase from cotton reduce the tolerance to salt in transgenic arabidopsis. | ubiquitination plays a very important role in the response to abiotic stresses of plant. to identify key regulators of salt stress, a gene ghsarp1(salt-associated ring finger protein)encoding c3h2c3-type e3 ligase, was cloned from cotton. transcription level of ghsarp1 was high in leaf, flower and fiber of 24,27 and 27dpa (days post-anthesis), but low in root and stem. except peg6000 treatment, the expression of ghsarp1 was down-regulated by nacl, cold and aba after being treated for 1 h. ghsarp ... | 2016 | 27402266 |
| ghataf1, a nac transcription factor, confers abiotic and biotic stress responses by regulating phytohormonal signaling networks. | dual function of ghataf1 in the responses to salinity stress and verticillium dahliae infection in cotton. nac (nam/ataf1/2/cuc2) is a large plant-specific transcription factor family that plays important roles in the response to abiotic stresses. we previously isolated a cotton nac transcription factor gene, ghataf1, which was up-regulated by aba, cold and salt stresses and classified into afat1/2, a sub-family of nac. here, we report that ghataf1 was also highly induced by meja, sa and vertici ... | 2016 | 27432176 |
| stability of spatial distributions of stink bugs, boll injury, and ndvi in cotton. | a 3-yr study was conducted to determine the degree of aggregation of stink bugs and boll injury in cotton, gossypium hirsutum l., and their spatial association with a multispectral vegetation index (normalized difference vegetation index [ndvi]). using the spatial analysis by distance indices analyses, stink bugs were less frequently aggregated (17% for adults and 4% for nymphs) than boll injury (36%). ndvi values were also significantly aggregated within fields in 19 of 48 analyses (40%), with ... | 2016 | 27436843 |
| effect of waterlogging on carbohydrate metabolism and the quality of fiber in cotton (gossypium hirsutum l.). | transient waterlogging occurs frequently in the yangtze river and adversely affects cotton fiber quality. however, the carbohydrate metabolic mechanism that affects fiber quality after waterlogging remains undescribed. here, the effects of five waterlogging levels (0, 3, 6, 9, and 12 days) were assessed during flowering and boll formation to characterize the carbohydrates, enzymes and genes that affect the fiber quality of cotton after waterlogging. the cellulose and sucrose contents of cotton f ... | 2016 | 27446110 |
| response and tolerance mechanism of cotton gossypium hirsutum l. to elevated temperature stress: a review. | cotton is an important multipurpose crop which is highly sensitive to both biotic and abiotic stresses. proper management of this cash crop requires systematic understanding of various environmental conditions that are vital to yield and quality. high temperature stress can severely affect the viability of pollens and anther indehiscence, which leads to significant yield losses. cotton can respond to withstand adverse environmental condition in several phases among which the accumulation of chem ... | 2016 | 27446165 |
| the fungal endophyte chaetomium globosum negatively affects both above- and belowground herbivores in cotton. | mutualistic plant-endophyte symbioses can benefit plants by increasing host fitness through reductions in herbivory. the fungus, chaetomium globosum strain tamu 520, was previously isolated as an endophyte from cotton (gossypium hirsutum) and can be re-inoculated to systemically colonize cotton plants via seed treatment. we evaluated the potential impacts of the endophyte in cotton on plant parasitic nematodes belowground, along with piercing-sucking and chewing insects aboveground. endophytic c ... | 2016 | 27451418 |
| fine mapping and identification of candidate genes for a qtl affecting meloidogyne incognita reproduction in upland cotton. | the southern root-knot nematode (meloidogyne incognita; rkn) is one of the most important economic pests of upland cotton (gossypium hirsutum l.). host plant resistance, the ability of a plant to suppress nematode reproduction, is the most economical, practical, and environmentally sound method to provide protection against this subterranean pest. the resistant line auburn 623rnr and a number of elite breeding lines derived from it remain the most important source of root-knot nematode (rkn) res ... | 2016 | 27503539 |
| de novo transcriptome analysis reveals insights into dynamic homeostasis regulation of somatic embryogenesis in upland cotton (g. hirsutum l.). | plant regeneration via somatic embryogenesis (se) is the key step for genetic improvement of cotton (gossypium hirsutum l.) through genetic engineering mediated by agrobacteria, but the molecular mechanisms underlying se in cotton is still unclear. here, rna-sequencing was used to analyze the genes expressed during se and their expression dynamics using rnas isolated from non-embryogenic callus (nec), embryogenic callus (ec) and somatic embryos (ses). a total of 101, 670 unigenes were de novo as ... | 2016 | 27511192 |
| electron microscopic cytochemistry of cyclopropenoids in cottonseed (gossypium hirsutum l.) tissues. | an electron microscopic cytochemical procedure for locating cyclopropenoids (cyp) in oilseeds is proposed. the procedure is based on the fact that metallic silver is produced when agno3 reacts with cyp. since so many other compounds react with agno3, we treated specimens that do and not contain cyp with agno3 and looked for electron-dense stains that were unique to cyp(+) seeds. virtually everything in all seed specimens, regardless of the presence or absence of cyp, was stained. however, cotton ... | 1987 | 27519735 |
| mapping qtls for drought tolerance in an f2:3 population from an inter-specific cross between gossypium tomentosum and gossypium hirsutum. | cotton is one of the most important natural fiber crops in the world. its growth and yield is greatly limited by drought. a quantitative trait locus (qtl) analysis was therefore conducted to investigate the genetic basis of drought tolerance in cotton (gossypium spp) using 188 f2:3 lines developed from an inter-specific cross between a wild cotton species, g. tomentosum, and an upland cotton, g. hirsutum (cri-12). a genetic map was constructed using 1295 simple sequence repeat markers, which amp ... | 2016 | 27525919 |
| cotton leaf curl multan virus-derived viral small rnas can target cotton genes to promote viral infection. | rna silencing is a conserved mechanism in plants that targets viruses. viral small rnas (vsirnas) can be generated from viral double-stranded rna replicative intermediates within the infected host, or from host rna-dependent rna polymerases activity on viral templates. the abundance and profile of vsirnas in viral infections have been reported previously. however, the involvement of vsirnas during infection of the geminiviridae family member cotton leaf curl virus (clcud), which causes significa ... | 2016 | 27540385 |
| characterization and functional analysis of pebp family genes in upland cotton (gossypium hirsutum l.). | upland cotton (gossypium hirsutum l.) is a naturally occurring photoperiod-sensitive perennial plant species. however, sensitivity to the day length was lost during domestication. the phosphatidylethanolamine-binding protein (pebp) gene family, of which three subclades have been identified in angiosperms, functions to promote and suppress flowering in photoperiod pathway. recent evidence indicates that pebp family genes play an important role in generating mobile flowering signals. we isolated h ... | 2016 | 27552108 |
| insights into interspecific hybridization events in allotetraploid cotton formation from characterization of a gene-regulating leaf shape. | the morphology of cotton leaves varies considerably. phenotypes, including okra, sea-island, super-okra, and broad leaf, are controlled by a multiple allele locus, l2 okra leaf (l2°) is an incomplete mutation that alters leaf shape by increasing the length of lobes with deeper sinuses. using a map-based cloning strategy, we cloned the l2 locus gene, which encodes a late meristem identity 1 (lmi1)-like transcription factor (ghokra). silencing ghokra leads to a change in phenotype from okra to bro ... | 2016 | 27558139 |
| the ghtt2_a07 gene is linked to the brown colour and natural flame retardancy phenotypes of lc1 cotton (gossypium hirsutum l.) fibres. | some naturally coloured brown cotton fibres from accessions of gossypium hirsutum l. can be used to make textiles with enhanced flame retardancy (fr). several independent brown fibre loci have been identified and mapped to chromosomes, but the underlying genes have not yet been identified, and the mechanism of lint fibre fr is not yet fully understood. in this study, we show that both the brown colour and enhanced fr of the lc1 lint colour locus are linked to a 1.4mb inversion on chromosome a07 ... | 2016 | 27567364 |
| identification of favorable snp alleles and candidate genes for traits related to early maturity via gwas in upland cotton. | early maturity is one of the most important and complex agronomic traits in upland cotton (gossypium hirsutum l). to dissect the genetic architecture of this agronomically important trait, a population consisting of 355 upland cotton germplasm accessions was genotyped using the specific-locus amplified fragment sequencing (slaf-seq) approach, of which a subset of 185 lines representative of the diversity among the accessions was phenotypically characterized for six early maturity traits in four ... | 2016 | 27576450 |
| identification and characterization of the ghhsp20 gene family in gossypium hirsutum. | in higher plants, heat shock protein 20 (hsp20) plays crucial roles in growth, development and responses to abiotic stresses. in this study, 94 ghhsp20 genes were identified in g. hirsutum, and these genes were phylogenetically clustered into 14 subfamilies. out of these, 73 paralogous gene pairs remained in conserved positions on segmental duplicated blocks and only 14 genes clustered into seven tandem duplication event regions. transcriptome analysis showed that 82 ghhsp20 genes were expressed ... | 2016 | 27580529 |
| cloning and functional analysis of the promoter of an ascorbate oxidase gene from gossypium hirsutum. | apoplastic ascorbate oxidase (ao) plays significant roles in plant cell growth. however, the mechanism of underlying the transcriptional regulation of ao in gossypium hirsutum remains unclear. here, we obtained a 1,920-bp promoter sequence from the gossypium hirsutum ascorbate oxidase (ghao1) gene, and this ghao1 promoter included a number of known cis-elements. promoter activity analysis in overexpressing pghao1::gfp-gus tobacco (nicotiana benthamiana) showed that the ghao1 promoter exhibited h ... | 2016 | 27597995 |
| lightweight males of podisus nigrispinus (heteroptera: pentatomidae) neglect lightweight females due low reproductive fitness. | sexual choice by male stink bugs is important because females that experience food shortages lay fewer eggs with lower viability compared with well-fed females. in this study, we investigated whether podisus nigrispinus (dallas) (heteroptera: pentatomidae) males fed with a low-quality diet during its nymphal stage show selectivity for sexual partners resulting in high-quality progeny. lightweight males and females were obtained from nymphs fed weekly with tenebrio molitor l. (coleoptera: tenebri ... | 2016 | 27599098 |
| identification of chromosome segment substitution lines of gossypium barbadense introgressed in g. hirsutum and quantitative trait locus mapping for fiber quality and yield traits. | chromosome segment substitution lines mbi9804, mbi9855, mbi9752, and mbi9134, which were obtained by advanced backcrossing and continuously inbreeding from an interspecific cross between ccri36, a cultivar of upland cotton (gossypium hirsutum) as the recurrent parent, and hai1, a cultivar of sea island cotton (g. barbadense) as the donor parent, were used to construct a multiple parent population of (mbi9804×mbi9855)×(mbi9752×mbi9134). the segregating generations of double-crossed f1 and f2 and ... | 2016 | 27603312 |
| genome-wide characterization and expression analysis of myb transcription factors in gossypium hirsutum. | myb family proteins are one of the most abundant transcription factors in the cotton plant and play diverse roles in cotton growth and evolution. previously, few studies have been conducted in upland cotton, gossypium hirsutum. the recent release of the g. hirsutum genome sequence provides a great opportunity to identify and characterize the entire upland cotton myb protein family. | 2016 | 27613381 |
| saccharibacillus endophyticus sp. nov., an endophyte of cotton. | a gram-positive-staining, facultatively aerobic, endospore-forming bacterial strain, isolated from the stem tissue of cotton (gossypium hirsutum) was subjected to a detailed taxonomic study using a polyphasic approach. based on 16s rrna gene sequence similarity comparisons, strain jm-1350t grouped into the genus saccharibacillus, and was most closely related to the type strain of saccharibacillus sacchari (96.5 % 16s rrna gene sequence similarity), followed by the type strains of saccharibacillu ... | 2016 | 27613514 |
| metabolic engineering of cottonseed oil biosynthesis pathway via rna interference. | cottonseed oil is recognized as an important oil in food industry for its unique characters: low flavor reversion and the high level of antioxidants (vitamine) as well as unsaturated fatty acid. however, the cottonseed oil content of cultivated cotton (gossypium hirsutum) is only around 20%. in this study, we modified the accumulation of oils by the down-regulation of phosphoenolpyruvate carboxylase 1 (ghpepc1) via rna interference in transgenic cotton plants. the qrt-pcr and enzyme activity ass ... | 2016 | 27620452 |
| enhanced plant growth promoting role of phycomolecules coated zinc oxide nanoparticles with p supplementation in cotton (gossypium hirsutum l.). | this report focuses on application of zinc oxide nanoparticles (znonps) carrying phycomolecule ligands as a novel plant growth promoter aimed at increasing the crop productivity. the present investigation examined the effect of znonps on plant growth characteristics, and associated biochemical changes in cotton (gossypium hirsutum l.) following growth in a range of concentrations (25-200 mg l(-l) znonps) in combination with 100 mm p in a hydroponic system. treated plants registered an increase i ... | 2017 | 27622847 |
| ghmcs1, the cotton orthologue of human grim-19, is a subunit of mitochondrial complex i and associated with cotton fibre growth. | grim-19 (gene associated with retinoid-interferon-induced mortality 19) is a subunit of mitochondrial respiratory complex i in mammalian systems, and it has been demonstrated to be a multifunctional protein involved in the cell cycle, cell motility and innate immunity. however, little is known about the molecular functions of its homologues in plants. here, we characterised ghmcs1, an orthologue of human grim-19 from cotton (gossypium hirsutum l.), and found that it was essential for maintaining ... | 2016 | 27632161 |
| histone modifications define expression bias of homoeologous genomes in allotetraploid cotton. | histone modifications regulate gene expression in eukaryotes, but their roles in gene expression changes in interspecific hybrids or allotetraploids are poorly understood. histone modifications can be mapped by immunostaining of metaphase chromosomes at the single cell level and/or by chromatin immunoprecipitation-sequencing (chip-seq) for analyzing individual genes. here, we comparatively analyzed immunostained metaphase chromosomes and chip-seq of individual genes, which revealed a chromatin b ... | 2016 | 27637746 |
| genome-wide identification and functional analysis of the tify gene family in response to drought in cotton. | jasmonates control many aspects of plant biological processes. they are important for regulating plant responses to various biotic and abiotic stresses, including drought, which is one of the most serious threats to sustainable agricultural production. however, little is known regarding how jasmonate zim-domain (jaz) proteins mediate jasmonic acid signals to improve stress tolerance in cotton. this represents the first comprehensive comparative study of tify transcription factors in both diploid ... | 2016 | 27640194 |
| impact of insect management on population dynamics and insecticide resistance of tarnished plant bug (hemiptera: miridae). | while transgenic plants targeting lepidopteran and coleopteran insects have been available for almost 20 yr, there are no transgenic crops that target hemipteran insects such as tarnished plant bug, lygus lineolaris (palisot de beauvois), though at least one company lists potential products in advanced stages of development. a resistance management model for the u.s. mid-south was developed to aid in resistance risk assessments for transgenic crops targeting l. lineolaris, and validated against ... | 2016 | 27651293 |
| ghcam7-like, a calcium sensor gene, influences cotton fiber elongation and biomass production. | calcium signaling regulates many developmental processes in plants. calmodulin (cam) is one of the most conserved calcium sensors and has a flexible conformation in eukaryotes. the molecular functions of cam are unknown in cotton, which is a major source of natural fiber. in this study, a gossypium hirsutum l.cam7-like gene was isolated from upland cotton. bioinformatics analysis indicated that the ghcam7-like gene was highly conserved as compared with arabidopsis atcam7. the ghcam7-like gene sh ... | 2016 | 27669397 |
| genome-wide identification and expression analysis of stress-associated proteins (saps) containing a20/an1 zinc finger in cotton. | stress-associated proteins (saps) containing the a20/an1 zinc-finger domain play important roles in response to both biotic and abiotic stresses in plants. nevertheless, few studies have focused on the sap gene family in cotton. to explore the distributions and expression patterns of these genes, we performed genome-wide identification and characterization of saps in tetraploid gossypium hirsutum l. tm-1 (ad1). a total of 37 genes encoding saps were identified, 36 of which were duplicated in the ... | 2016 | 27681253 |
| na(+) compartmentalization related to salinity stress tolerance in upland cotton (gossypium hirsutum) seedlings. | the capacity for ion compartmentalization among different tissues and cells is the key mechanism regulating salt tolerance in plants. in this study, we investigated the ion compartmentalization capacity of two upland cotton genotypes with different salt tolerances under salt shock at the tissue, cell and molecular levels. we found that the leaf glandular trichome could secrete more salt ions in the salt-tolerant genotype than in the sensitive genotype, demonstrating the excretion of ions from ti ... | 2016 | 27698468 |
| ghabf2, a bzip transcription factor, confers drought and salinity tolerance in cotton (gossypium hirsutum l.). | the bzip transcription factor (tf) act as an important regulator for the abscisic acid (aba) mediated abiotic stresses signaling pathways in plants. here, we reported the cloning and characterization of ghabf2, encoding for typical cotton bzip tf. overexpression of ghabf2 significantly improved drought and salt stress tolerance both in arabidopsis and cotton. however, silencing of ghabf2 made transgenic cotton sensitive to peg osmotic and salt stress. expression of ghabf2 was induced by drought ... | 2016 | 27713524 |
| characterization of eleven monosomic alien addition lines added from gossypium anomalum to gossypium hirsutum using improved gish and ssr markers. | gossypium anomalum (bb genome) possesses the desirable characteristics of drought tolerance, resistance to diseases and insect pests, and the potential for high quality fibers. however, it is difficult to transfer the genes associated with these desirable traits into cultivated cotton (g. hirsutum, aadd genome). monosomic alien addition lines (maals) can be used as a bridge to transfer desired genes from wild species into g. hirsutum. in cotton, however, the high number and smaller size of the c ... | 2016 | 27717331 |
| a raf-like mapkkk gene, ghraf19, negatively regulates tolerance to drought and salt and positively regulates resistance to cold stress by modulating reactive oxygen species in cotton. | mitogen-activated protein kinase kinase kinases (mapkkks) function at the top level of mapk cascades and play important roles in plant development and stress responses. although mapkkks comprise the largest family in the mapk cascades, very few raf-like mapkkks have been functionally identified, especially in the economically important crop cotton. in this study, a raf-like mapkkk gene, ghraf19, was characterized for the first time in cotton. our data show that the expression of ghraf19 was inhi ... | 2016 | 27717463 |
| identification and evidence of positive selection upon resistance gene analogs in cotton (gossypium hirsutum l.). | upland cotton (gossypium hirsutum l.) is an important fiber crop species, which is intensively plagued by a plethora of phytopathogenic fungi such as fusarium oxysporum f. sp. vasinfectum (fov) causing severe wilt disease. resistance gene analogs (rgas) are the largest class of potential resistance (r) genes depicting highly conserved domains and structures in plants. additionally, rgas are pivotal components of breeding projects towards host disease resistance, serving as useful functional mark ... | 2016 | 27729728 |
| spatio-temporal, genotypic, and environmental effects on plant soluble protein and digestible carbohydrate content: implications for insect herbivores with cotton as an exemplar. | plant soluble protein and digestible carbohydrate content significantly affect insect herbivore fitness, but studies reporting plant protein and carbohydrate content are rare. instead, the elements nitrogen and carbon often are used as surrogates for plant protein and digestible carbohydrate content, respectively. however, this is problematic for two reasons. first, carbon is found in all organic molecules, which precludes strong correlations with ecologically important dietary macronutrients (e ... | 2016 | 27738861 |
| identification and functional analysis of micrornas involved in the anther development in cotton genic male sterile line yu98-8a. | hybrid vigor contributes in a large way to the yield and quality of cotton (gossypium hirsutum) fiber. although micrornas play essential regulatory roles in flower induction and development, it is still unclear if micrornas are involved in male sterility, as the regulatory molecular mechanisms of male sterility in cotton need to be better defined. in this study, two independent small rna libraries were constructed and sequenced from the young buds collected from the sporogenous cell formation to ... | 2016 | 27739413 |
| small rna-mediated responses to low- and high-temperature stresses in cotton. | micrornas (mirnas) are one class of endogenous non-coding rnas modulating the expression of target genes involved in plant development and stress tolerance, by degrading mrna or repressing translation. in this study, small rna and mrna degradome sequencing were used to identify low- and high-temperature stress-responsive mirnas and their targets in cotton (gossypium hirsutum). cotton seedlings were treated under different temperature conditions (4, 12, 25, 35, and 42 °c) and then the effects wer ... | 2016 | 27752116 |
| development, genetic mapping and qtl association of cotton phya, phyb, and hy5-specific caps and dcaps markers. | among snp markers that become increasingly valuable in molecular breeding of crop plants are the caps and dcaps markers derived from the genes of interest. to date, the number of such gene-based markers is small in polyploid crop plants such as allotetraploid cotton that has a- and d-sub-genomes. the objective of this study was to develop and map new caps and dcaps markers for cotton developmental-regulatory genes that are important in plant breeding programs. | 2016 | 27776497 |
| quantitative trait loci analysis of verticillium wilt resistance in interspecific backcross populations of gossypium hirsutum × gossypium barbadense. | verticillium wilt (vw) caused by verticillium dahliae (kleb) is one of the most destructive diseases of cotton. the identification of highly resistant qtls or genes in the whole cotton genome is quite important for developing a vw-resistant variety and for further molecular design breeding. | 2016 | 27814678 |
| comparative genome-wide analysis of the malate dehydrogenase gene families in cotton. | malate dehydrogenases (mdhs) play crucial roles in the physiological processes of plant growth and development. in this study, 13 and 25 mdh genes were identified from gossypium raimondii and gossypium hirsutum, respectively. using these and 13 previously reported gossypium arboretum mdh genes, a comparative molecular analysis between identified mdh genes from g. raimondii, g. hirsutum, and g. arboretum was performed. based on multiple sequence alignments, cotton mdhs were divided into five subg ... | 2016 | 27829020 |
| high-density linkage map construction and qtl analysis for earliness-related traits in gossypium hirsutum l. | gossypium hirsutum l., or upland cotton, is an important renewable resource for textile fiber. to enhance understanding of the genetic basis of cotton earliness, we constructed an intra-specific recombinant inbred line population (ril) containing 137 lines, and performed linkage map construction and quantitative trait locus (qtl) mapping. | 2016 | 27835938 |
| leaf hydraulic conductance and mesophyll conductance are not closely related within a single species. | stomata represent one resistor in a series of resistances for carbon and water exchange between the leaf and the atmosphere; the remaining resistors occurring within the leaf, commonly represented as mesophyll conductance to co2 , gm , and leaf hydraulic conductance, kleaf . recent studies have proposed that gm and kleaf may be coordinated across species because of shared pathways. we assessed the correlation between gm and kleaf within cotton, under growth co2 partial pressure and irradiance tr ... | 2017 | 27861995 |
| molecular characterization of ghpldα1 and its relationship with secondary cell wall thickening in cotton fibers. | phospholipase d (pld) hydrolyzes phospholipids to generate a free polar head group (e.g., choline) and a second messenger phosphatidic acid and plays diverse roles in plant growth and development, including seed germination, leaf senescence, root hair growth, and hypocotyl elongation. however, the function of pld in cotton remains largely unexplored. here, the comprehensive molecular characterization of ghpldα1 was explored with its role in upland cotton (gossypium hirsutum) fiber development. t ... | 2017 | 27864277 |
| genetic gains from selection for fiber traits in gossypium hirsutum l. | brazil is among the five largest producers of cotton in the world, cultivating the species gossypium hirsutum l. r. latifolium hutch. the cultivars should have good fiber quality as well as yield. genetic improvement of fiber traits requires the study of the genetic structure of the populations under improvement, leading to the identification of promising parent plants. to this end, it is important to acquire some information, such as estimates of genetic variance components and heritability coe ... | 2016 | 27886330 |
| the cotton β-galactosyltransferase 1 (galt1) that galactosylates arabinogalactan proteins participates in controlling fiber development. | arabinogalactan proteins (agps) are highly glycosylated proteins that play pivotal roles in diverse developmental processes in plants. type-ii ag glycans, mostly o-linked to the hydroxyproline residues of the protein backbone, account for up to 95% w/w of the agp, but their functions are still largely unclear. cotton fibers are extremely elongated single-cell trichomes on the seed epidermis; however, little is known of the molecular basis governing the regulation of fiber cell development. here, ... | 2017 | 27888523 |
| comparison of ionomic and metabolites response under alkali stress in old and young leaves of cotton (gossypium hirsutum l.) seedlings. | soil salinization is an important agriculture-related environmental problem. alkali stress and salt stress strongly influence the metabolic balance in plants. salt and alkali stresses exert varied effects on old and young tissues, which display different adaptive strategies. in this study, we used cotton (gossypium hirsutum l.) plants as experimental material to investigate whether alkali stress induces ionic and metabolism changes in old and young leaves of cotton plants exposed to alkali stres ... | 2016 | 27933088 |
| modifications to a late meristem identity1 gene are responsible for the major leaf shapes of upland cotton (gossypium hirsutum l.). | leaf shape varies spectacularly among plants. leaves are the primary source of photoassimilate in crop plants, and understanding the genetic basis of variation in leaf morphology is critical to improving agricultural productivity. leaf shape played a unique role in cotton improvement, as breeders have selected for entire and lobed leaf morphs resulting from a single locus, okra (l-d1), which is responsible for the major leaf shapes in cotton. the l-d1 locus is not only of agricultural importance ... | 2017 | 27999177 |
| polymorphism analysis of multi-parent advanced generation inter-cross (magic) populations of upland cotton developed in china. | upland cotton (gossypium hirsutum l.) is an important cash crop that provides renewable natural fiber worldwide. currently limited genetic base leads to a decrease in upland cotton genetic diversity. multi-parent advance generation inter-cross (magic) populations can be used to evaluate complex agronomic traits in crops. in this study, we developed an upland cotton magic population. a total of 258 magic population lines and their twelve founder lines were analyzed, using 432 pairs of simple sequ ... | 2016 | 28002582 |
| interaction of transgenic and natural insect resistance mechanisms against spodoptera littoralis in cotton. | insect-resistant transgenic plants that express insecticidal cry proteins from bacillus thuringiensis (bt) are grown on millions of hectares worldwide. while these proteins are efficient in controlling key lepidopteran pests, not all pests are affected and the development of resistance in target pests is always a concern. these shortcomings could be addressed by exploiting the natural insect resistance of cotton, especially inducible terpenoids such as gossypol. | 2016 | 28019063 |
| identification of a new cotton disease caused by an atypical cotton leafroll dwarf virus in argentina. | an outbreak of a new disease occurred in cotton (gossypium hirsutum) fields in northwest argentina starting in the 2009-10 growing season and is still spreading steadily. the characteristic symptoms of the disease included slight leaf rolling and a bushy phenotype in the upper part of the plant. in this study, we determined the complete nucleotide sequences of two independent virus genomes isolated from cotton blue disease (cbd)-resistant and -susceptible cotton varieties. this virus genome comp ... | 2017 | 28035870 |
| optimizing the phosphorus use in cotton by using csm-cropgro-cotton model for semi-arid climate of vehari-punjab, pakistan. | crop nutrient management is an essential component of any cropping system. with increasing concerns over environmental protection, improvement in fertilizer use efficiencies has become a prime goal in global agriculture system. phosphorus (p) is one of the most important nutrients, and strategies are required to optimize its use in important arable crops like cotton (gossypium hirsutum l.) that has great significance. sustainable p use in crop production could significantly avoid environmental h ... | 2017 | 28054268 |
| genome-wide association study discovered genetic variation and candidate genes of fibre quality traits in gossypium hirsutum l. | genetic improvement of fibre quality is one of the main breeding goals for the upland cotton, gossypium hirsutum, but there are difficulties with precise selection of traits. therefore, it is important to improve the understanding of the genetic basis of phenotypic variation. in this study, we conducted phenotyping and genetic variation analyses of 719 diverse accessions of upland cotton based on multiple environment tests and a recently developed cotton 63k illumina infinium snp array and perfo ... | 2017 | 28064470 |
| microrna 157-targeted spl genes regulate floral organ size and ovule production in cotton. | micrornas (mirnas) have been involved in regulation of diverse spectrum of plant development processes in many species. in cotton, few mirnas have been well characterised in floral organ development. floral organ, which should be finely tuned, is a crucial factor affecting the yield of cotton. therefore, it is well worth revealing the function of mirnas in regulation of floral organ development. here, we report the role of mirna156/157 in regulation of floral organ size in cotton. | 2017 | 28068913 |
| a gly65val substitution in an actin, ghact_li1, disrupts cell polarity and f-actin organization resulting in dwarf, lintless cotton plants. | actin polymerizes to form part of the cytoskeleton and organize polar growth in all eukaryotic cells. species with numerous actin genes are especially useful for the dissection of actin molecular function due to redundancy and neofunctionalization. here, we investigated the role of a cotton (gossypium hirsutum) actin gene in the organization of actin filaments in lobed cotyledon pavement cells and the highly elongated single-celled trichomes that comprise cotton lint fibers. using mapping-by-seq ... | 2017 | 28078746 |
| transgenic cotton expressing cry10aa toxin confers high resistance to the cotton boll weevil. | genetically modified (gm) cotton plants that effectively control cotton boll weevil (cbw), which is the most destructive cotton insect pest in south america, are reported here for the first time. this work presents the successful development of a new gm cotton with high resistance to cbw conferred by cry10aa toxin, a protein encoded by entomopathogenic bacillus thuringiensis (bt) gene. the plant transformation vector harbouring cry10aa gene driven by the cotton ubiquitination-related promoter uc ... | 2017 | 28081289 |
| cotip: cotton tilling platform, a resource for plant improvement and reverse genetic studies. | cotton is cultivated worldwide for its white fiber, of which around 90% is tetraploid upland cotton (gossypium hirsutum l.) carrying both a and d genome. since centuries, yield increasing efforts for the cotton crop by conventional breeding approaches have caused an extensive erosion of natural genetic variability. mutation based improvement strategies provide an effective way of creating new allelic variations. targeting induced local lesions in genomes (tilling) provides a mutation based rever ... | 2016 | 28082993 |
| functional characterization of a novel jasmonate zim-domain interactor (ninja) from upland cotton (gossypium hirsutum). | the jasmonic acid (ja) signalling pathway plays roles in plant development and defence against biotic and abiotic stresses. we isolated a cotton ninja (novel interactor of ja zim-domain) gene, designated ghninja, which contains a 1305 bp open read frame. the ghninja gene encodes a 434 amino acid peptide. according to quantitative real-time pcr analysis, ghninja is preferentially expressed in roots, and its expression level is greatly induced by verticillium dahliae infection. through a virus-ind ... | 2017 | 28086169 |
| ectopic expression of two areb/abf orthologs increases drought tolerance in cotton (gossypium hirsutum). | plants have evolved complex molecular, cellular and physiological mechanisms to respond to environmental stressors. because of the inherent complexity of this response, genetic manipulation to substantially improve water deficit tolerance, particularly in agricultural crops, has been largely unsuccessful, as the improvements are frequently accompanied by slower growth and delayed reproduction. here, we ectopically express two abiotic stress-responsive bzip areb/abf transcription factor orthologs ... | 2017 | 28098349 |
| ascorbate alleviates fe deficiency-induced stress in cotton (gossypium hirsutum) by modulating aba levels. | fe deficiency causes significant losses to crop productivity and quality. to understand better the mechanisms of plant responses to fe deficiency, we used an in vitro cotton ovule culture system. we found that fe deficiency suppressed the development of ovules and fibers, and led to tissue browning. rna-seq analysis showed that the myo-inositol and galacturonic acid pathways were activated and cytosolic apx (ascorbate peroxidase) was suppressed in fe-deficient treated fibers, which increased asc ... | 2016 | 28101095 |
| fatty acid and proximate composition of bee bread. | palynological spectrum, proximate and fatty acid (fa) composition of eight bee bread samples of different botanical origins were examined and significant variations were observed. the samples were all identified as monofloral, namely castanea sativa (94.4%), trifolium spp. (85.6%), gossypium hirsutum (66.2%), citrus spp. (61.4%) and helianthus annuus (45.4%). each had moisture content between 11.4 and 15.9%, ash between 1.9 and 2.54%, fat between 5.9 and 11.5%, and protein between 14.8 and 24.3% ... | 2016 | 28115909 |
| dissecting genetic network of fruit branch traits in upland cotton by association mapping using ssr markers. | genetic architecture of branch traits has large influences on the morphological structure, photosynthetic capacity, planting density, and yield of upland cotton (gossypium hirsutum l.). this research aims to reveal the genetic effects of six branch traits, including bottom fruit branch node number (bfbnn), bottom fruit branch length (bfbl), middle fruit branch node number (mfbnn), middle fruit branch length (mfbl), upper fruit branch node number (ufbnn), and upper fruit branch length (ufbl). ass ... | 2017 | 28121983 |
| genome-wide divergence, haplotype distribution and population demographic histories for gossypium hirsutum and gossypium barbadense as revealed by genome-anchored snps. | use of 10,129 singleton snps of known genomic location in tetraploid cotton provided unique opportunities to characterize genome-wide diversity among 440 gossypium hirsutum and 219 g. barbadense cultivars and landrace accessions of widespread origin. using the snps distributed genome-wide, we examined genetic diversity, haplotype distribution and linkage disequilibrium patterns in the g. hirsutum and g. barbadense genomes to clarify population demographic history. diversity and identity-by-state ... | 2017 | 28128280 |
| fine-mapping qfs07.1 controlling fiber strength in upland cotton (gossypium hirsutum l.). | key message: qfs07.1 controlling fiber strength was fine-mapped to a 62.6-kb region containing four annotated genes. rt-qpcr and sequence of candidate genes identified an lrr rlk gene as the most likely candidate. fiber strength is an important component of cotton fiber quality and is associated with other properties, such as fiber maturity, fineness, and length. stable qtl qfs07.1, controlling fiber strength, had been identified on chromosome 7 in an upland cotton recombinant inbred line (ril) ... | 2017 | 28144698 |
| gossypium arboreum accessions resistant to rotylenchulus reniformis. | in the southeastern united states, reniform nematode (rotylenchulus reniformis) is a serious pest of upland cotton (gossypium hirsutum), a species which has no naturally occurring resistance against this nematode. to identify sources of reniform nematode resistance in species closely related to upland cotton, 222 g. arboreum accessions from the u.s. germplasm collection were evaluated in repeated growth chamber experiments. in initial screenings, root infection was measured 4 wks after inoculati ... | 2016 | 28154428 |
| diversity analysis of cotton (gossypium hirsutum l.) germplasm using the cottonsnp63k array. | cotton germplasm resources contain beneficial alleles that can be exploited to develop germplasm adapted to emerging environmental and climate conditions. accessions and lines have traditionally been characterized based on phenotypes, but phenotypic profiles are limited by the cost, time, and space required to make visual observations and measurements. with advances in molecular genetic methods, genotypic profiles are increasingly able to identify differences among accessions due to the larger n ... | 2017 | 28158969 |
| combined elevated temperature and soil waterlogging stresses inhibit cell elongation by altering osmolyte composition of the developing cotton (gossypium hirsutum l.) fiber. | soil waterlogging events and high temperature conditions occur frequently in the yangtze river valley, yet the effects of these co-occurring stresses on fiber elongation have received little attention. in the current study, the combined effect of elevated temperature (et) and soil waterlogging (sw) more negatively affected final fiber length (reduced by 5.4%-11.3%) than either stress alone by altering the composition of osmotically active solutes (sucrose, malate, and k(+)), where sw had the mos ... | 2017 | 28167033 |
| functional characterization of agamous-subfamily members from cotton during reproductive development and in response to plant hormones. | expression analysis of the ag -subfamily members from g. hirsutum during flower and fruit development. reproductive development in cotton, including the fruit and fiber formation, is a complex process; it involves the coordinated action of gene expression regulators, and it is highly influenced by plant hormones. several studies have reported the identification and expression of the transcription factor family mads-box members in cotton ovules and fibers; however, their roles are still elusive d ... | 2017 | 28176007 |
| application of bacteria from non-cultivated plants to promote growth, alter root architecture and alleviate salt stress of cotton. | cotton seeds are frequently treated with acid to remove fibres and reduce seed-transmitted diseases. this process also eliminates beneficial bacteria on the seed surface. the goal of this research was to seek and apply beneficial bacteria to acid delinted cotton seeds to evaluate their growth-promoting and salt stress alleviating effects in seedlings. | 2017 | 28176460 |
| ghmyb1 regulates scw stage-specific expression of the ghgdsl promoter in the fibres of gossypium hirsutum l. | secondary cell wall (scw) biosynthesis is an important stage of the cotton fibre development, and its transcriptional regulation is poorly understood. we selected the gossypium hirsutum gdsl (ghgdsl) lipase/hydrolase gene (cotad_74480), which is expressed during scw biosynthesis (19 through to 25 days postanthesis; dpa), for study. t1 -transgenic cotton lines expressing the β-glucuronidase (gus) reporter under the control of a 1026-bp promoter fragment of ghgdsl (pghgdsl ) showed 19 dpa stage-sp ... | 2017 | 28182326 |
| comparative host selection responses of specialist (helicoverpa assulta) and generalist (helicoverpa armigera) moths in complex plant environments. | we tested the behavioral responses of ovipositing females and natal larvae of two sibling species, a generalist helicoverpa armigera (hübner) and a specialist helicoverpa assulta (guenée), to odor sources emitted from different combinations of six plant species (tobacco, nicotiana tabacum; hot pepper, capsicum annuum; tomato, solanum esculentum; cotton, gossypium hirsutum; peanut, arachis hypogaea; maize, zea mays). under the conditions of plant materials versus corresponding controls, both stag ... | 2017 | 28182679 |
| genome-wide identification of the tify gene family in three cultivated gossypium species and the expression of jaz genes. | tify proteins are plant-specific proteins containing tify, jaz, ppd and zml subfamilies. a total of 50, 54 and 28 members of the tify gene family in three cultivated cotton species-gossypium hirsutum, gossypium barbadense and gossypium arboretum-were identified, respectively. the results of phylogenetic analysis showed that these tify genes were divided into eight clusters. the different clusters of gene family members often have similar gene structures, including the number of exons. the result ... | 2017 | 28186193 |
| quantification of climate warming and crop management impacts on cotton phenology. | understanding the impact of the warming trend on phenological stages and phases of cotton (gossypium hirsutum l.) in central and lower punjab, pakistan, may assist in optimizing crop management practices to enhance production. this study determined the influence of the thermal trend on cotton phenology from 1980-2015 in 15 selected locations. the results demonstrated that observed phenological stages including sowing (s), emergence (e), anthesis (a) and physiological maturity (m) occurred earlie ... | 2017 | 28208605 |
| genomic insights into divergence and dual domestication of cultivated allotetraploid cottons. | cotton has been cultivated and used to make fabrics for at least 7000 years. two allotetraploid species of great commercial importance, gossypium hirsutum and gossypium barbadense, were domesticated after polyploidization and are cultivated worldwide. although the overall genetic diversity between these two cultivated species has been studied with limited accessions, their population structure and genetic variations remain largely unknown. | 2017 | 28219438 |
| identification of marker-trait associations for lint traits in cotton. | harvesting high quality lint, a long-awaited breeding goal-accomplished partly, can be achieved by identifying dna markers which could be used for diagnosing cotton plants containing the desired traits. in the present studies, a total of 185 cotton genotypes exhibiting diversity for lint traits were selected from a set of 546 genotypes evaluated for fiber traits in 2009. these genotypes were extensively studied for three consecutive years (2011-2013) at three different locations. significant gen ... | 2017 | 28220132 |
| a high-efficiency crispr/cas9 system for targeted mutagenesis in cotton (gossypium hirsutum l.). | the complex allotetraploid genome is one of major challenges in cotton for repressing gene expression. developing site-specific dna mutation is the long-term dream for cotton breeding scientists. the clustered regularly interspaced short palindromic repeats/crispr-associated protein 9 (crispr/cas9) system is emerging as a robust biotechnology for targeted-dna mutation. in this study, two sgrnas, ghmyb25-like-sgrna1 and ghmyb25-like-sgrna2, were designed in the identical genomic regions of ghmyb2 ... | 2017 | 28256588 |
| crispr/cas9-mediated targeted mutagenesis in upland cotton (gossypium hirsutum l.). | the clustered, regularly interspaced, short palindromic repeats (crispr)/crispr associated (cas)9 protein system has emerged as a simple and efficient tool for genome editing in eukaryotic cells. it has been shown to be functional in several crop species, yet there are no reports on the application of this or any other genome editing technologies in the cotton plant. cotton is an important crop that is grown mainly for its fiber, but its seed also serves as a useful source of edible oil and feed ... | 2017 | 28258551 |
| asymmetric subgenome selection and cis-regulatory divergence during cotton domestication. | comparative population genomics offers an excellent opportunity for unraveling the genetic history of crop domestication. upland cotton (gossypium hirsutum) has long been an important economic crop, but a genome-wide and evolutionary understanding of the effects of human selection is lacking. here, we describe a variation map for 352 wild and domesticated cotton accessions. we scanned 93 domestication sweeps occupying 74 mb of the a subgenome and 104 mb of the d subgenome, and identified 19 cand ... | 2017 | 28263319 |
| cotton defense induction patterns under spatially, temporally and quantitatively varying herbivory levels. | in its defense against herbivores, cotton (gossypium sp.) relies in part on the production of a set of inducible, non-volatile terpenoids. under uniform damage levels, in planta allocation of induced cotton terpenoids has been found to be highest in youngest leaves, supporting assumptions of the optimal defense theory (odt) which predicts that plants allocate defense compounds to tissues depending on their value and the likelihood of herbivore attack. however, our knowledge is limited on how var ... | 2017 | 28270830 |
| a glycine max homolog of non-race specific disease resistance 1 (ndr1) alters defense gene expression while functioning during a resistance response to different root pathogens in different genetic backgrounds. | a glycine max homolog of the arabidopsis thaliana non-race specific disease resistance 1 (ndr1) coiled-coil nucleotide binding leucine rich repeat (cc-nb-lrr) defense signaling gene (gm-ndr1-1) is expressed in root cells undergoing a defense response to the root pathogenic nematode, heterodera glycines. gm-ndr1-1 overexpression in the h. glycines-susceptible genotype g. max[williams 82/pi 518671] impairs parasitism. in contrast, gm-ndr1-1 rna interference (rnai) in the h. glycines-resistant geno ... | 2017 | 28273511 |
| targeted mutagenesis in cotton (gossypium hirsutum l.) using the crispr/cas9 system. | the crispr (clustered regularly interspaced short palindromic repeats)/cas9 system has been widely used for genome editing in various plants because of its simplicity, high efficiency and design flexibility. however, to our knowledge, there is no report on the application of crispr/cas9-mediated targeted mutagenesis in cotton. here, we report the genome editing and targeted mutagenesis in upland cotton (gossypium hirsutum l., hereafter cotton) using the crispr/cas9 system. we designed two guide ... | 2017 | 28287154 |
| the glutathione peroxidase gene family in gossypium hirsutum: genome-wide identification, classification, gene expression and functional analysis. | the plant glutathione peroxidase (gpx) family consists of multiple isoenzymes with distinct subcellular locations, tissue-specific expression patterns and environmental stress responses. in this study, 13 putative gpxs from the genome of gossypium hirsutum (ghgpxs) were identified and a conserved pattern among plant gpxs were exhibited, besides this they also responded to multiple environmental stresses and we predicted that they had hormone responsive cis-elements in their promoter regions. mos ... | 2017 | 28300195 |
| population structure and genetic basis of the agronomic traits of upland cotton in china revealed by a genome-wide association study using high-density snps. | gossypium hirsutum l. represents the largest source of textile fibre, and china is one of the largest cotton-producing and cotton-consuming countries in the world. to investigate the genetic architecture of the agronomic traits of upland cotton in china, a diverse and nationwide population containing 503 g. hirsutum accessions was collected for a genome-wide association study (gwas) on 16 agronomic traits. the accessions were planted in four places from 2012 to 2013 for phenotyping. the cottonsn ... | 2017 | 28301713 |
| interference among cotton neighbours after differential reproductive damage. | in indeterminate plant species, the rate of vegetative growth usually declines during the stage of active reproductive growth. fruit shedding, as induced by insect herbivores, could counteract this decline. due to the relative increase in vegetative growth, plants that have suffered reproductive damage could be better able to intercept light and acquire soil resources than undamaged plants. if so, plants with damaged neighbours might grow less than their counterparts with smaller, undamaged neig ... | 1997 | 28307540 |
| the responses of stomata and leaf gas exchange to vapour pressure deficits and soil water content : i. species comparisons at high soil water contents. | the responses of photosynthesis, transpiration and leaf conductance to changes in vapour pressure deficit were followed in well-watered plants of the herbaceous species, helianthus annuus, helianthus nuttallii, pisum sativum and vigna unguiculata, and in the woody species having either sclerophyllous leaves, arbutus unedo, nerium oleander and pistacia vera, or mesomorphic leaves, corylus avellana, gossypium hirsutum and prunus dulcis. when the vapour pressure deficit of the air around a single l ... | 1984 | 28311208 |
| carotenoid composition and photon-use efficiency of photosynthesis ingossypium hirsutum l. grown under conditions of slightly suboptimum leaf temperatures and high levels of irradiance. | cotton (gossypium hirsutum l. var. dp 61) was grown at different temperatures during 12-h light periods, with either 1800-2000 μmol photons m(-2) s(-1) (high photon flux density, pfd) or 1000-1100 μmol m(-2) s(-1) (medium pfd) incident on the plants. night temperature was 25°c in all experiments. growth was less when leaf temperatures were below 30°c during illumination, the effect being greater in plants grown with high pfd (winter and königer 1991). leaf pigment composition and the photon-use ... | 1991 | 28313261 |
| temporal and spatial variation in palatability of soybean and cotton leaves following wounding. | leaves of soybean (glycine max (l.) merr.) and cotton (gossypium hirsutum l.) were mechanically damaged with a single hole and offered to spodoptera littoralis boisd (lep., noctuidae) larvae in laboratory bioassays at intervals of between 0 and 7 days from damage. the subsequent within-leaf grazing patterns of damaged and undamaged areas were compared using an image-analysing computer, and estimations were made by eye of percentage, areas grazed at three spatial scales. reduction in palatability ... | 1989 | 28313487 |
| dry matter production and photosynthetic capacity in gossypium hirsutum l. under conditions of slightly suboptimum leaf temperatures and high levels of irradiance. | gossypium hirsutum l. var. delta pine 61 was cultivated in controlled-environment chambers at 1000-1100 μmol photosynthetically active photons m(-2) s(-1) (medium photon flux density) and at 1800-2000 μmol photons m(-2) s(-1) (high photon flux density), respectively. air temperatures ranged from 20° to 34°c during 12-h light periods, whereas during dark periods temperature was 25° c in all experiments. as the leaf temperature decreased from about 33° to 27° c, marked reductions in dry matter pro ... | 1991 | 28313835 |
| microrna expression profiles during cotton (gossypium hirsutum l) fiber early development. | the role of micrornas (mirnas) during cotton fiber development remains unclear. here, a total of 54 mirnas belonging to 39 families were selected to characterize mirna regulatory mechanism in eight different fiber development stages in upland cotton cv bm-1. among 54 mirnas, 18 mirnas were involved in cotton fiber initiation and eight mirnas were related to fiber elongation and secondary wall biosynthesis. additionally, 3,576 protein-coding genes were candidate target genes of these mirnas, whic ... | 2017 | 28327647 |
| confamiliar transferability of simple sequence repeat (ssr) markers from cotton (gossypium hirsutum l.) and jute (corchorus olitorius l.) to twenty two malvaceous species. | cross-species transferability is a quick and economic method to enrich ssr database, particularly for minor crops where little genomic information is available. however, transferability of ssr markers varies greatly between species, genera and families of plant species. we assessed confamiliar transferability of ssr markers from cotton (gossypium hirsutum) and jute (corchorus olitorius) to 22 species distributed in different taxonomic groups of malvaceae. all the species selected were potential ... | 2016 | 28330135 |
| sequential sampling plan of anthonomus grandis (coleoptera: curculionidae) in cotton plants. | the boll weevil, anthonomus grandis grandis boheman (coleoptera: curculionidae), is one of the most important pests of cotton production worldwide. the objective of this work was to develop a sequential sampling plan for the boll weevil. the studies were conducted in maracaju, ms, brazil, in two seasons with cotton cultivar fm 993. a 10,000-m2 area of cotton was subdivided into 100 of 10- by 10-m plots, and five plants per plot were evaluated weekly, recording the number of squares with feeding ... | 2017 | 28334212 |
| qtl analysis of cotton fiber length in advanced backcross populations derived from a cross between gossypium hirsutum and g. mustelinum. | qtls for fiber length mapped in three generations of advanced backcross populations derived from crossing gossypium hirsutum and gossypium mustelinum showed opportunities to improve elite cottons by introgression from wild relatives. the molecular basis of cotton fiber length in crosses between gossypium hirsutum and gossypium mustelinum was dissected using 21 bc3f2 and 12 corresponding bc3f2:3 and bc3f2:4 families. sixty-five quantitative trait loci (qtls) were detected by one-way analysis of v ... | 2017 | 28349176 |
| developmental features of cotton fibre middle lamellae in relation to cell adhesion and cell detachment in cultivars with distinct fibre qualities. | cotton fibre quality traits such as fibre length, strength, and degree of maturation are determined by genotype and environment during the sequential phases of cotton fibre development (cell elongation, transition to secondary cell wall construction and cellulose deposition). the cotton fibre middle lamella (cfml) is crucial for both cell adhesion and detachment processes occurring during fibre development. to explore the relationship between fibre quality and the pace at which cotton fibres dev ... | 2017 | 28359260 |