| fungitoxic properties of prunus persica oil. | during screening of leaves of 15 higher plant species, the leaves of prunus persica exhibited absolute inhibition of mycelial growth of aspergillus flavus. the active fraction was isolated in form of an essential oil which exhibited fungistatic nature at its minimum inhibitory concentration of 0.1% and showed a broad antifungal range. the oil was found non-phytotoxic to the seedling growth and seed germination of wheat. | 1990 | 2131332 |
| characterization of ppeg1, a member of a multigene family which encodes endo-beta-1,4-glucanase in peach. | three cdna clones (pcel 10, pcel 20 and pcel 30), each encoding different endo-beta-1,4-glucanases in peach, were obtained by rt-pcr and their expression investigated by northern analysis during leaf and fruit abscission and during fruit development. this analysis allowed the detection of only the pcel 10-related mrna. a 2.2 kb transcript accumulated in ethylene activated abscission zones of leaves and fruits, and ppeg1 (prunus persica endoglucanase 1) the gene coding for pcel 10, was isolated a ... | 1997 | 9278169 |
| bacterial cellulose-binding domain modulates in vitro elongation of different plant cells | recombinant cellulose-binding domain (cbd) derived from the cellulolytic bacterium clostridium cellulovorans was found to modulate the elongation of different plant cells in vitro. in peach (prunus persica l.) pollen tubes, maximum elongation was observed at 50 &mgr;g ml-1 cbd. pollen tube staining with calcofluor showed a loss of crystallinity in the tip zone of cbd-treated pollen tubes. at low concentrations cbd enhanced elongation of arabidopsis roots. at high concentrations cbd dramatically ... | 1998 | 9701575 |
| immunological and molecular comparison of polyphenol oxidase in rosaceae fruit trees. | an antibody raised against apple polyphenol oxidase (ppo) cross-reacted with ppos from japanese pear (pyrus pyrifolia), pear (pyrus communis), peach (prunus persica), chinese quince (pseudocydonia sinensis) and japanese loquat (eriobotrya japonica). core fragments (681 bp) of the corresponding ppo genes were amplified and characterized. the deduced protein sequences showed identities of 85.3 to 97.5%. chlorogenic acid oxidase activity of these ppos showed higher activities when assayed at ph 4 t ... | 1999 | 10385997 |
| host-correlated morphological variation of myzus persicae (hemiptera: aphididae) populations in greece. | morphological variation in nine characters of 157 clones of myzus persicae (sulzer) was examined by multivariate analysis. the clones were collected from peach, prunus persica, the primary host and the secondary hosts tobacco, nicotiana tabacum, cabbage, brassica oleracea, sugarbeet, beta vulgaris and pepper capsicum annuum. the 156 clones originated from various regions of greece, both in the north, where a large part of the population has an annual bisexual generation on peach, and in more sou ... | 2000 | 10996864 |
| a biophysical analysis of stem and root diameter variations in woody plants. | a comprehensive model of stem and root diameter variation was developed. the stem (or root) was represented using two coaxial cylinders corresponding with the mature xylem and the extensible tissues. the extensible tissues were assumed to behave as a single cell separated from the mature xylem by a virtual membrane. the mature xylem and the extensible tissues are able to dilate with temperature and grow. moreover, the extensible tissues are able to shrink and swell according to water flow intens ... | 2001 | 11351082 |
| anti-tumor promoting effect of glycosides from prunus persica seeds. | four minor components, along with the major cyanogenic glycosides, amygdalin and prunasin, were isolated from prunus persica seeds (persicae semen; tounin), and characterized as mandelic acid glycosides (beta-gentiobioside and beta-d-glucoside) and benzyl alcohol glycosides (beta-gentiobioside and beta-d-glucoside). the anti-tumor promoting activity of these compounds was examined in both in vitro and in vivo assays. all of the compounds significantly inhibited the epstein-barr virus early antig ... | 2003 | 12576693 |
| cloning, expression, and characterization of sorbitol transporters from developing sour cherry fruit and leaf sink tissues. | the acyclic polyol sorbitol is a primary photosynthetic product and the principal photosynthetic transport substance in many economically important members of the family rosaceace (e.g. almond [prunus dulcis (p. mill.) d.a. webber], apple [malus pumila p. mill.], cherry [prunus spp.], peach [prunus persica l. batsch], and pear [pyrus communis]). to understand key steps in long-distance transport and particularly partitioning and accumulation of sorbitol in sink tissues, we have cloned two sorbit ... | 2003 | 12692316 |
| elimination of ppv and pnrsv through thermotherapy and meristem-tip culture in nectarine. | the plum pox virus (ppv) and prunus necrotic ringspot virus (pnrsv) cause serious disease problems in stone-fruit trees. in this work, the possibility of obtaining plant material free from these viruses through thermotherapy and meristem-tip culture from infected nectarine shoots (prunus persica var. nectarina max, cv. 'arm king') was studied. in addition, the detection of these viruses in in vitro cultures and young acclimatized plantlets with double antibody sandwich-enzyme-linked immunosorben ... | 2003 | 12898177 |
| development of microsatellite markers in peach [ prunus persica (l.) batsch] and their use in genetic diversity analysis in peach and sweet cherry ( prunus avium l.). | we report the sequence of 41 primer pairs of microsatellites from a ct-enriched genomic library of the peach cultivar 'merrill o'henry'. ten microsatellite-containing clones had sequences similar to plant coding sequences in databases and could be used as markers for known functions. for microsatellites segregating at least in one of the two prunus f(2) progenies analyzed, it was possible to demonstrate mendelian inheritance. microsatellite polymorphism was evaluated in 27 peach and 21 sweet che ... | 2002 | 12582570 |
| growth, cambial activity and phloem structure in compatible and incompatible peach/plum grafts. | peach (prunus persica l. batsch) shoots grafted onto compatible or incompatible clones of rootstocks of myrobolan plum (prunus cerasifera l. ehrh. cv. myrobolan) were observed in a greenhouse for 100 days after grafting. the incompatible grafts showed foliar symptoms of incompatibility and reduced shoot growth about 60 days after grafting. light microscopic studies revealed that cambial activity stopped earlier in the rootstocks, than in the scions, of incompatible grafts. structural modificatio ... | 1988 | 14972805 |
| observations of ice nucleation and propagation in plants using infrared video thermography. | we evaluated the use of infrared (ir) video thermography to observe directly ice nucleation and propagation in plants. an imaging radiometer with an hgcdte long-wave (8-12 [mu]m) detector was utilized to image the thermal response of plants during freezing. ir images were analyzed in real time and recorded on videotape. information on the videotape was subsequently accessed and analyzed utilizing ir image analysis software. freezing of water droplets as small as 0.5 [mu]l was clearly detectable ... | 1997 | 12223611 |
| effects of crown development on leaf irradiance, leaf morphology and photosynthetic capacity in a peach tree. | the three-dimensional (3-d) architecture of a peach tree (prunus persica l. batsch) growing in an orchard near avignon, france, was digitized in april 1999 and again four weeks later in may 1999 to quantify increases in leaf area and crown volume as shoots developed. a 3-d model of radiation transfer was used to determine effects of changes in leaf area density and canopy volume on the spatial distribution of absorbed quantum irradiance (par(a)). effects of changes in par(a) on leaf morphologica ... | 2002 | 12204849 |
| an expanded genetic linkage map of prunus based on an interspecific cross between almond and peach. | the genetic linkage map of prunus constructed earlier and based on an interspecific f2 population resulting from a cross between almond (prunus dulcis d.a. webb) and peach (prunus persica l. batsch) was extended to include 8 isozyme loci, 102 peach mesocarp cdnas, 11 plum genomic clones, 19 almond genomic clones, 7 resistance gene analogs (rgas), 1 rga-related sequence marker, 4 morphological trait loci, 3 genes with known function, 4 simple sequence repeat (ssr) loci, 1 rapd, and 1 cleaved ampl ... | 2002 | 12033621 |
| microsatellite variation in cyclically parthenogenetic populations of myzus persicae in south-eastern australia. | we examined the population structure of the introduced aphid, myzus persicae collected mainly from its primary host, prunus persica, in south-east australia. myzus persicae has been present in australia since at least 1893. samples were collected in the spring of 1998 from two mainland and three tasmanian localities and isofemale lines were established in the laboratory. the reproductive mode (life cycle), karyotype and 17-locus microsatellite genotype of each clone were determined. all populati ... | 2002 | 11920132 |
| the extract of the flowers of prunus persica, a new cosmetic ingredient, protects against solar ultraviolet-induced skin damage in vivo. | the flowers of prunus persica batsch have been used for skin disorders in east asia from ancient times. in this investigation, the ethanol extract from this plant material was prepared and several major constituents were isolated. in addition, the protective effects of the extract were evaluated against solar ultraviolet (uv)-induced skin damage using in vivo animal models of uvb-induced erythema in guinea pigs and ear edema in icr mice. from the extract, four kaempferol glycoside derivatives we ... | 2002 | 11917253 |
| pesticide applications of copper on perennial crops in california, 1993 to 1998. | inorganic copper is used as a broad-spectrum fungicide and bacteriocide on a variety of agricultural crops. after application, the copper residue typically accumulates in the upper 15 cm of soil. data from the california pesticide use reports were used to estimate the augmentation of copper in the soil that resulted from pesticide applications for the six years from 1993 to 1998 on 12 crops that are grown without rotation. the estimated mean mg cu kg(-1) soil added to the upper 15 cm during the ... | 2001 | 11577894 |
| analogues of virus resistance genes map to qtls for resistance to sharka disease in prunus davidiana. | plum pox virus (ppv), the causative agent of sharka disease in prunoideae, is one of the most serious problems affecting stone fruit production in europe and america. resistance to ppv was previously described in a prunus davidiana clone, p1908, and introduced into peach (prunus persica) genotypes. genetic resistance to ppv displays a complex pattern of quantitative inheritance. an analysis of quantitative trait loci (qtls) for resistance was performed on an f1 interspecific peach population obt ... | 2005 | 15666162 |
| characterization of pseudomonas pathovars isolated from rosaceous fruit trees in east algeria. | a survey of bacterial diseases due to pseudomonas on rosaceous fruit trees was conducted. in forty two orchards located in the constantine region ( east algeria). pseudomonas isolates were identified on the bases of their cultural and biochemical characteristics . a total of fifty nine phytopathogenic bacteria were isolated from diseased pome and stone fruit trees. thirty one strains comparable to pseudomonas syringae pv. syringae were isolated from cherry (prunus avium l.), plum (p. domestica l ... | 2004 | 15756824 |
| protection against ultraviolet b- and c-induced dna damage and skin carcinogenesis by the flowers of prunus persica extract. | the ethanol extract of the flowers of prunus persica (ku-35) (50-200 microg/ml) was found to inhibit uvb- as well as uvc-induced dna damage measured by the comet assay in the skin fibroblast cell (nih/3t3). in addition, ku-35 inhibited uvb- or uvc-induced lipid peroxidation, especially against uvb-induced peroxidation at higher than 10 microg/ml. we also evaluated the protective effect of ku-35 against uvb-induced non-melanoma skin cancer in mice. ku-35 was applied topically before uvb exposure, ... | 2001 | 11551480 |
| application of gfp-tagged plum pox virus to study prunus-ppv interactions at the whole plant and cellular levels. | the sharka disease caused by the potyvirus plum pox virus (ppv) is one of the most serious viral diseases affecting stone fruit trees. the study of ppv/prunus interaction under greenhouse controlled conditions is space, time, labor consuming. while the ppv/prunus interactions are now quite well known at the whole plant level, few data however are available on the interactions between the virus and the prunus host plants at the cellular level. using a green fluorescent protein (gfp)-tagged m type ... | 2005 | 15993953 |
| pharmacological basis for the use of peach leaves in constipation. | the aqueous crude extract (ppl.cr) of peach leaves (prunus persica) was studied for the possible presence of gut stimulatory constituent(s) to rationalize the folkloric use of the plant in constipation. ppl.cr at the dose of 1-10 mg/ml caused a moderate degree of spasmogenic effect in isolated guinea-pig ileum. pretreatment of the tissue with atropine (1 m) completely abolished the contractile effect of the plant extract similar to that of acetylcholine which is suggestive of a cholinergic mecha ... | 2000 | 11025143 |
| protection of the flowers of prunus persica extract from ultraviolet b-induced damage of normal human keratinocytes. | for an attempt to develop safe materials protecting solar ultraviolet (uv)-induced skin damage, plant extracts were evaluated for their inhibitory activities of free radical generation and arachidonic acid/metabolites release from uvb-irradiated normal human keratinocytes. from the results of these screening procedures, the ethanol extract of the flowers of prunus persica (ku-35) was selected for further study. it was found that ku-35 (100-1,000 microg/ml) inhibited the amount of 14c-arachidonic ... | 2000 | 10976590 |
| the major allergen of peach (prunus persica) is a lipid transfer protein. | allergy to fresh fruits and vegetables is mostly observed in subjects with pollinosis, especially from birch, because of cross-reacting allergens in vegetable foods and pollens. however, allergic reactions to fruits, specifically rosaceae fruits, have been reported in subjects without pollinosis. | 1999 | 10069889 |
| structure and activity of persicomycins, toxins produced by a pseudomonas syringae pv. persicae/prunus persica isolate. | a toxigenic property has been demonstrated in a pseudomonas syringae pv. persicae/prunus persica isolate. several substances, which are named persicomycins, have been purified in variable quantities from cultures. the structures of four of them were established by nmr and chemical ionization mass spectrometry. these compounds are 3-(3'-hydroxy)hydroxy fatty acids and thus represent a new family among the phytobacterial toxins. other minor substances have also been isolated and have been shown to ... | 1996 | 8774716 |
| [effect of xiaoyu pian on new platelet aggregation defect]. | the xiaoyu pian (xyp, mainly consisted of prunus persica, carthamus tinctorius, glycyrrhiza uralensis, etc) was used to treat patients with new platelet aggregation defect. patients were divided into 2 groups, the tcm group (72 cases) treated with xyp and the control group (65 cases) treated with vitamin c and p and/or adrenosem for at least 3 months. the results showed that marked effective rate was 87.5% in tcm group and 35.4% in control group (chi 2 = 39.7, p < 0.01); the recovery rate of pla ... | 1994 | 7719089 |
| taxonomic study of bacteria isolated from plants: proposal of sphingomonas rosa sp. nov., sphingomonas pruni sp. nov., sphingomonas asaccharolytica sp. nov., and sphingomonas mali sp. nov. | the taxonomic positions of 10 strains of 3-ketolactose-forming bacteria which were isolated from the roots of plants (rosa sp., psychotria nairobiensis, ardisia crispa, prunus persica, and apple trees) were investigated. the dna base compositions of these strains ranged from 64.0 to 65.7 mol%, the isoprenoid quinone of each strain was ubiquinone 10, 3-hydroxy fatty acids were lacking in the cellular fatty acids of these organisms, and all of the strains contained a sphingolipid with the long-cha ... | 1995 | 7537068 |
| rooting responses of juvenile and adult cuttings of apple (malus sylvestris l.) and peach (prunus persica l.) to indole-3 butyric acid (iba) and season in tanzania. | | 1982 | 7126132 |
| parasitism and pathogenic activity of cytospora cincta sacc. on prunus armeniaca l. and on prunus persica l. batsch. | | 1970 | 5457493 |
| the effects of fruit juices and fruits on the absorption of iron from a rice meal. | the effects of the chemical composition of fruit juices and fruit on the absorption of iron from a rice (oryza sativa) meal were measured in 234 parous indian women, using the erythrocyte utilization of radioactive fe method. the corrected geometric mean fe absorptions with different juices varied between 0.040 and 0.129, with the variation correlating closely with the ascorbic acid contents of the juices (rs 0.838, p less than 0.01). ascorbic acid was not the only organic acid responsible for t ... | 1987 | 3593665 |
| the study of drug permeation through natural membranes. | in this study, natural membranes such as the outer membrane of prunus persica (peach) and lycopersicon esculentum (tomato), the inner layer of the egg of gallus domesticus (hen) and the middle membrane of the allium cepa (onion) were used as controlling barriers for permeation of some model drugs with different mw and lipophilicities. drug permeation studies were done by using modified franz diffusion cell. the permeation of drugs through these natural membranes was compared to permeation of the ... | 2006 | 16959447 |
| effects of a chinese herbal medicine, keishi-bukuryo-gan, on the gonadal system of rats. | keishi-bukuryo-gan (tj-25) is a traditional chinese herbal remedy containing five components: bark of cinnamomum cassia, root of paeonia lactiflora, seed of prunus persica or p. persiba var. davidiana, carpophores of poria cocos and root bark of paeonia suffruticosa. this preparation has been used in the treatment of gynecological disorders such as hypermenorrhea, dysmenorrhea and infertility. in the present study, the effects of tj-25 on plasma levels of luteinizing hormone (lh), follicle-stimu ... | 1988 | 3143030 |
| hop stunt viroid strains from dapple fruit disease of plum and peach in japan. | viroids have been isolated from plum trees (prunus salicina lindley) affected with plum dapple fruit disease and from peach trees (prunus persica batsch) showing dapple fruit symptoms. the viroids were inoculated mechanically to cucurbitaceous plants, in which symptoms typical of hop stunt viroid (hsv) infection appeared. the complete nucleotide sequences of an isolate from plum and an isolate from peach (af isolate) were shown to be identical, consisting of 297 nucleotides with a 93.6% sequence ... | 1989 | 2732717 |
| pharmacotherapeutic effects of kuei-chih-fu-ling-wan (keishi-bukuryo-gan) on human uterine myomas. | kuei-chih-fu-ling-wan (keishi-bukuryo-gan; kbg), a traditional chinese herbal remedy contains five components: bark of cinnamomum cassia bl. (lauraceae), root of paeonia lactiflora pall. (paeoniaceae), seed of prunus persica batsch. or p. persiba batsch.var.davidiana maxim. (rosaceae), carpophores of poria cocos wolf. (polyporaceae), and root bark of paeonia suffruticosa andr. (paeoniaceae). this prescription has been frequently used in the treatment of gynecological disorders such as hypermenor ... | 1992 | 1471615 |
| comparison of drought resistance among prunus species from divergent habitats. | root and shoot characteristics related to drought resistance were compared among cultivated peach (prunus persica (l.) batsch.), p. andersonii (nevada desert almond), p. besseyi (western sand cherry), p. maritima (beach plum), p. subcordata (sierra or pacific plum), and p. tomentosa (nanking cherry). in all species, shoot characteristics were more closely associated with drought adaptation than root characteristics. the most xeric species, p. andersonii, had the lowest specific leaf area, smalle ... | 1992 | 14969942 |
| carbon and nitrogen partitioning in peach/plum grafts. | modifications in root-shoot relationships induced by graft incompatibility were studied in peach/plum graft combinations by means of carbohydrate and nitrogen analyses and isotope labeling. mobilization of stored carbon, phloem transport of carbon, and mobilization, assimilation and distribution of nitrogen were studied in one compatible peach/plum graft (prunus persica l. batsch cv. springtime grafted on prunus cerasifera l. ehrh cv. myrobalan p 2032) and one incompatible graft (prunus persica ... | 1992 | 14969877 |
| role of myzus persicae (hemiptera: aphididae) and its secondary hosts in plum pox virus propagation. | plum pox virus (family potyviridae, genus potyvirus, ppv) is one of the most important viral pathogens of plants in the genus prunus, particularly prunus persica l. the role of the myzus persicae (sulzer) (hemiptera: aphididae) as a vector of ppv-m, and its role in spreading ppv-m, was investigated. ppv-m-infected peach trees were used as inoculum sources, and transmission to 15 herbaceous species commonly present in and around peach orchards was evaluated. the presence of ppv-m in secondary hos ... | 2007 | 17849850 |
| effect of digestive site acidity and compatibility on the species, lipopily and bioavailability of iron, manganese and zinc in prunus persica batsch and carthamus tinctorus. | the effects of compatibility, that is combination of prunus persica batsch (l.) and carthamus tinctorus (l.), and different acidity of digestive site on the species, lipopily and bioavailability of coordinated complex of iron, manganese, and zinc in medical decoction were studied. in view of octanol, a long-chain alkanol, resembled as the configuration of carbohydrate and adipose in human body, the octanol- and water-solubility were used to define the species of trace element in phytomedicine, t ... | 2004 | 14698191 |
| analysis of the complete genome of peach chlorotic mottle virus: identification of non-aug start codons, in vitro coat protein expression, and elucidation of serological cross-reactions. | the entire genome of peach chlorotic mottle virus (pcmv), originally identified as prunus persica cv. agua virus (4n6), was sequenced and analysed. pcmv cross-reacts with antisera to diverse viruses, such as plum pox virus (ppv), genus potyvirus, family potyviridae; and apple stem pitting virus (aspv), genus foveavirus, family flexiviridae. the pcmv genome consists of 9005 nucleotides (nts), excluding a poly(a) tail at the 3' end of the genome. five open reading frames (orfs) were identified wit ... | 2007 | 17891331 |
| microspore separation in the quartet 3 mutants of arabidopsis is impaired by a defect in a developmentally regulated polygalacturonase required for pollen mother cell wall degradation. | mutations in the quartet loci in arabidopsis result in failure of microspore separation during pollen development due to a defect in degradation of the pollen mother cell wall during late stages of pollen development. mutations in a new locus required for microspore separation, qrt3, were isolated, and the corresponding gene was cloned by t-dna tagging. qrt3 encodes a protein that is approximately 30% similar to an endopolygalacturonase from peach (prunus persica). the qrt3 protein was expressed ... | 2003 | 14551328 |
| comparative effect of prunus persica l. batsch-water extract and tacrine (9-amino-1,2,3,4-tetrahydroacridine hydrochloride) on concentration of extracellular acetylcholine in the rat hippocampus. | prunus persica l. batsch seed-water extract (ppe) has been used in the treatment of the degenerative disorders, such as hypermenorrhea and dysmenorrhea, in taiwan, china, japan and korea. in this study, the effects of oral administration of ppe on the extracellular acetylcholine concentration in the hippocampus of rats were evaluated, and compared to that of tacrine (9-amino-1,2,3,4-tetrahydroacridine hydrochloride), a well-known and centrally acting acetylcholinesterase (ache) inhibitor, which ... | 2003 | 12860300 |
| peach [prunus persica (l.) batsch] knope1, a class 1 knox orthologue to arabidopsis brevipedicellus/knat1, is misexpressed during hyperplasia of leaf curl disease. | class 1 knotted-like (knox) transcription factors control cell meristematic identity. an investigation was carried out to determine whether they maintain this function in peach plants and might act in leaf curliness caused by the ascomycete taphrina deformans. knope1 function was assessed by overexpression in arabidopsis and by yeast two-hybrid assays with arabidopsis bell proteins. subsequently, knope1 mrna and zeatin localization was monitored during leaf curl disease. knope1 and arabidopsis b ... | 2008 | 18250078 |
| the effect of different atmospheric ozone partial pressures on photosynthesis and growth of nine fruit and nut tree species. | nursery stock of peach (prunus persica l. batsch, cv. o'henry), nectarine (p. persica l. batsch, cv. fantasia), plum (p. salicina lindel., cv. casselman), apricot (p. armeniaca l., cv. tilton), almond (p. dulcis mill., cv. nonpareil), prune (p. domestica l., cv. improved french), cherry (p. avium l., cv. bing), oriental pear (pyrus pyrifolia rehd., cv. 20th century), and apple (malus pumula mill., cv. granny smith) were planted in open-top chambers on april 1, 1988 at the university of californi ... | 1991 | 14972900 |
| growth and the composition and transport of carbohydrate in compatible and incompatible peach/plum grafts. | the growth of scions and rootstocks of compatible (prunus persica l. batsch cv. springtime/prunus cerasifera l. ehrh. cv. myrobolan p2032) and incompatible (prunus persica l. batsch cv. springtime/prunus cerasifera l. ehrh. cv. myrobolan p18) peach/plum grafts were compared. the composition of soluble carbohydrates in phloem and cortical tissues of both peach/plum grafts and ungrafted plums and the translocation of these compounds across the union of grafted plants were examined. sorbitol and su ... | 1987 | 14975918 |
| altered gene expression changes in arabidopsis leaf tissues and protoplasts in response to plum pox virus infection. | virus infection induces the activation and suppression of global gene expression in the host. profiling gene expression changes in the host may provide insights into the molecular mechanisms that underlie host physiological and phenotypic responses to virus infection. in this study, the arabidopsis affymetrix ath1 array was used to assess global gene expression changes in arabidopsis thaliana plants infected with plum pox virus (ppv). to identify early genes in response to ppv infection, an arab ... | 2008 | 18613973 |
| microsatellite genetic linkage maps of myrobalan plum and an almond-peach hybrid--location of root-knot nematode resistance genes. | inheritance and linkage studies were carried out with microsatellite [or simple sequence repeat (ssr)] markers in a f(1) progeny including 101 individuals of a cross between myrobalan plum ( prunus cerasifera ehrh) clone p.2175 and the almond (prunus dulcis mill.)-peach ( prunus persica l. batsch) hybrid clone gn22 ["garfi" (g) almond x "nemared" (n) peach]. this three-way interspecific prunus progeny was produced in order to associate high root-knot nematode (rkn) resistances from myrobalan and ... | 2004 | 15241595 |
| the gene geranylgeranyl reductase of peach (prunus persica [l.] batsch) is regulated during leaf development and responds differentially to distinct stress factors. | plant geranylgeranyl hydrogenase (chl p) reduces free geranylgeranyl diphosphate to phytil diphosphate, which provides the side chain to chlorophylls, tocopherols, and plastoquinones. in peach, the single copy gene (ppchl p) encodes a deduced product of 51.68 kda, which harbours a transit peptide for cytoplasm-to-chloroplast transport and a nicotinamide binding domain. the ppchl p message was abundant in chlorophyll-containing tissues and flower organs, but barely detected in the roots and mesoc ... | 2004 | 15286145 |
| changes in polyamine concentration associated with aging in pinus radiata and prunus persica. | endogenous polyamine concentrations in apical buds of peach (prunus persica (l.) batsch cv. 'hakuho') and monterey pine (pinus radiata d. don) seedlings, saplings and mature trees were analyzed by high performance liquid chromatography coupled with fluorescence detection to establish physiological correspondences and disparities between the species. although there were many differences in polyamine metabolism between peach and monterey pine, several similarities were found. specifically, in both ... | 2004 | 15339731 |
| evaluation of hydrophobic and hydrophilic kaolin particle films for peach crop, arthropod and disease management. | hydrophobic and/or hydrophilic kaolin particle film treatments to peach (prunus persica (l) batsch) trees were evaluated for crop and pest management capabilities in six studies from 1997 to 2000. unsprayed control and standard treatments, the latter consisting of a commercial pesticide program, were included for comparison. treatments in initial studies were applied via handgun, which resulted in a uniform and heavy deposit of kaolin after the first application. in contrast, treatments in subse ... | 2005 | 15593071 |
| a coupled yeast signal sequence trap and transient plant expression strategy to identify genes encoding secreted proteins from peach pistils. | many developmental processes and induced plant responses have been identified that are directly or indirectly influenced by wall-localized, or apoplastic, molecular interactions and signalling pathways. the yeast-based signal sequence trap (ysst) is a potentially valuable experimental tool to characterize the proteome of the wall and apoplast, or 'secretome', although few studies have been performed with plants and to date this strategy has not been coupled with a subsequent analysis to confirm ... | 2005 | 15983008 |
| extract of prunus persica flesh (ppfe) improves chemotherapeutic efficacy and protects against nephrotoxicity in cisplatin-treated mice. | cisplatin (cis-diamminedichloroplatinum ii) is one of the most effective chemotherapeutic agents used in the treatment of a variety of human solid tumors. however, its clinical use is rather limited as a result of severe nephrotoxicity. the principal objective of this study was to evaluate the protective effect of prunus persica flesh extract (ppfe) against cisplatin-induced nephrotoxicity in animal models, and whether its use influences the therapeutic efficacy of cisplatin. the administration ... | 2009 | 19140122 |
| a comprehensive and comparative analysis for maldi ftms lipid and phospholipid profiles from biological samples. | described here is a computationally automated method for translating complex accurate mass spectra into biologically relevant and meaningful data. rapid profiling of detailed high resolution mass spectra resulting from direct analysis of whole cells and tissues by matrix-assisted laser desorption/ionization (maldi) fourier transform mass spectrometry (ftms) is discussed. lipid and phospholipid ions create complex spectra containing multiple m/z values corresponding to the same fundamental chemic ... | 2005 | 16039161 |
| structural analysis of chloroplast dna in prunus (rosaceae): evolution, genetic diversity and unequal mutations. | in order to understand the evolutionary aspects of the chloroplast dna (cpdna) structures in rosaceous plants, a physical map of peach (prunus persica cv. hakuhou) cpdna was constructed. fourteen lambda phage clones which covered the entire sequence of the peach cpdna were digested by restriction enzymes (sali, xhoi, bamhi, saci, and psti) used singly or in combination. the molecular size of peach cpdna was estimated to be about 152 kb. the gene order and contents were revealed to be equivalent ... | 2005 | 16142464 |
| traditional chinese medicine bao gan ning increase phosphorylation of creb in liver fibrosis in vivo and in vitro. | previous studies have demonstrated that traditional chinese medicine bao gan ning, which contains six different drugs: trionyx sinensis wiegmann shell, prunus persica (l.) batsch seed, salvia miltiorrhiza bge. root, mallotus opelta (lour.) muell-arg root, astragalus membranaceus (fisch.) bge. var. mongho-licus (bge.) hsiao root and scutellaria baicalensis georgi root, was able to protect liver against fibrosis in ccl4 models. in an effort to elucidate molecular mechanisms by which bao gan ning e ... | 2006 | 16293380 |
| an hplc/ms method for identifying major constituents in the hypocholesterolemic extracts of chinese medicine formula 'xue-fu-zhu-yu decoction'. | in this paper, hplc-esi-ms technique was used to analyze the hypocholesterolemic extracts of 'xue-fu-zhu-yu decoction', a traditional chinese medicine consisting of six crude drugs (i.e. paeonia lactiflora, ligusticum chuanxiong, citrus aurantium, carthamus tinctorius, prunus persica and bupleurum falcatum). a total of 17 compounds were identified and their plant derivations were also distinguished. nine compounds among them were unambiguously determined as oxypaeoniflorin, amygdalin, albiflorin ... | 2006 | 16345012 |
| survey of crop losses in response to phytoparasitic nematodes in the united states for 1994. | previous reports of crop losses to plant-parasitic nematodes have relied on published results of survey data based on certain commodities, including tobacco, peanuts, cotton, and soybean. reports on crop-loss assessment by land-grant universities and many commodity groups generally are no longer available, with the exception of the university of georgia, the beltwide cotton conference, and selected groups concerned with soybean. the society of nematologists extension committee contacted extensio ... | 1999 | 19270925 |
| dimethylallyl diphosphate and geranyl diphosphate pools of plant species characterized by different isoprenoid emissions. | dimethylallyl diphosphate (dmadp) and geranyl diphosphate (gdp) are the last precursors of isoprene and monoterpenes emitted by leaves, respectively. dmadp and gdp pools were measured in leaves of plants emitting isoprene (populus alba), monoterpenes (quercus ilex and mentha piperita), or nonemitting isoprenoids (prunus persica). detectable pools were found in all plant species, but p. persica showed the lowest pool size, which indicates a limitation of the whole pathway leading to isoprenoid bi ... | 2006 | 16461390 |
| purification and characteristics of sorbitol-6-phosphate dehydrogenase from loquat leaves. | to study the role of sorbitol-6-phosphate dehydrogenase in sorbitol synthesis in leaves of rosaceous plants, properties of the enzyme and its presence in several plants in the family was investigated. the activity of the enzyme, which catalyzes an nadp-dependent oxidation of the substrate to glucose-6-phosphate, was detected in leaves of prunus mume, prunus persica, rhaphiolepsis indica, sorbus aucuparia, cydonia oblonga, photinia glabra, sorbaria kirilowii, and spiraea thunbergii.the enzyme was ... | 1981 | 16661650 |
| dormancy in peach (prunus persica l.) flower buds : i. floral morphogenesis and endogenous gibberellins at the end of the dormancy period. | flower buds of peach (prunus persica l.) trees, cv novedad de cordoba (argentina), were collected near the end of the dormant period and immediately before anthesis. after removal of scale leaves, morphological observations of representative buds, made on transverse and longitudinal microtome sections, showed that all verticils making up the flower are present in an undifferentiated form during the dormant period (june). flower buds collected at the end of dormant period (august) showed addition ... | 1990 | 16667435 |
| meloidogyne morocciensis n. sp. (meloidogyninae), a root-knot nematode from morocco. | meloidogyne morocciensis n. sp. is described from specimens parasitic on peach rootstock from morocco. this species exhibits a combination of morphological characters similar to m. arenaria, m. incognita, and m. javanica. the perineal pattern of females is oval to squarish with a moderately high to high dorsal arch, and widely spaced, smooth striae; lateral lines are absent. the stylet, 16.5 mum long, has transversely ovoid, set-off knobs. males have a set-off, annulated head region. the large, ... | 1990 | 19287722 |
| tests for transmission of prunus necrotic ringspot and two nepoviruses by criconemella xenoplax. | in two of three trials, detectable color reactions in elisa for prunus necrotic ringspot virus (pnrsv) were observed for criconemella xenoplax handpicked from the root zone of infected peach trees. criconemella xenoplax (500/pot) handpicked from root zones of peach trees infected with pnrsv failed to transmit the virus to cucumber or peach seedlings. the nematode also failed to transmit tomato ringspot (tomrsv) or tobacco ringspot viruses between cucumbers, although xiphinema americanum transmit ... | 1990 | 19287748 |
| evaluation of oriental medicinal herbs for estrogenic and antiproliferative activities. | herb extracts commercially used in asia were screened for their estrogenic activity with a recombinant yeast system with both a human estrogen receptor (er) expression plasmid and a reporter plasmid. pueraria lobata (flower) had the highest estrogenic relative potency (rp, 17-estradiol = 1.00) (7.8e-3) (rp for + control), followed by amomum xanthioides (1.3e-3), glycyrrhiza uralensis, zingiber officinale, rheum palmatum, curcuma aromatica, eriobotrya japonica, sophora flavescens, anemarrhena asp ... | 2006 | 16906642 |
| pharmacological characterization of orally active cholinesterase inhibitory activity of prunus persica l. batsch in rats. | prunus persica l. batsch water extract (ppe) is a potent acetylcholinesterase (ache) inhibitor screened for the treatment of alzheimer's disease. the effects of oral administration of the ppe were examined with comparison of those of selective butyrylcholinesterase inhibitors of 9-amino-1,2,3,4-tetrahydroacridine hydrochloride (tacrine) and tetraidopropylpyrophosphoramide (iso-ompa) and a selective ache inhibitor, donepezil, on the cholinesterase activity in the brain and plasma of rats. after t ... | 2006 | 16954599 |
| meloidogyne hispanica n. sp. (nematoda: meloidogynidae), the 'seville root-knot nematode'. | meloidogyne hispanica n. sp. is described and illustrated from specimens obtained from peach rootstock, prunus persica silvestris batsch, from the seville district of spain. the perineal pattern of the female is oval shaped to rectangular with low dorsal arch and often widely spaced lateral lines with fringe-like striae. the stylet, 14.1 mum long, has broad, distinctly set off knobs. males have a high, rounded head cap that slopes posteriorly. labial disc and medial lips are fused to form elonga ... | 1986 | 19294222 |
| the antitussive activity of polysaccharides from althaea officinalis l., var. robusta, arctium lappa l., var. herkules, and prunus persica l., batsch. | the therapy of pathological type of cough presents serious medical problem. | 2007 | 17685009 |
| the extract of prunus persica flesh (ppfe) attenuates chemotherapy-induced hepatotoxicity in mice. | cisplatin (cis-diamminedichloroplatinum ii) is one of the most effective chemotherapeutic agents used in the treatment of a variety of human solid tumors. however, its clinical use is limited due to severe toxicity. the pathogenesis of liver damage caused by cisplatin is generally considered to be oxidative damage. the aim of this study was to evaluate the protective effect of the ethanol extract of prunus persica flesh (ppfe) against cisplatin-induced hepatotoxicity in animal models. in a xenog ... | 2008 | 17886225 |
| the rna hydrolysis and the cytokinin binding activities of pr-10 proteins are differently performed by two isoforms of the pru p 1 peach major allergen and are possibly functionally related. | pr-10 proteins are a family of pathogenesis-related (pr) allergenic proteins playing multifunctional roles. the peach (prunus persica) major allergen, pru p 1.01, and its isoform, pru p 1.06d, were found highly expressed in the fruit skin at the pit hardening stage, when fruits transiently lose their susceptibility to the fungal pathogen monilinia spp. to investigate the possible role of the two pru p 1 isoforms in plant defense, the recombinant proteins were expressed in escherichia coli and pu ... | 2009 | 19474212 |
| protective effects of guizhi-fuling-capsules on rat brain ischemia/reperfusion injury. | previous studies revealed that guizhi-fuling-capsules (gzflc), a traditional chinese medical (kampo) formulation composed of five kinds of medicinal plants, cinnamomum cassia blume (cinnamomi cortex), paeonia lactiflora pall. (peonies radix), paeonia suffruticosa andrews (moutan cortex), prunus persica batsch (persicae semen), and poria cocos wolf (hoelen), exerts a protective effect against vascular injury and has a protective effect against glutamate- or nitro oxide-mediated neuronal damage. i ... | 2007 | 17895588 |
| photosynthetic response to low sink demand after fruit removal in relation to photoinhibition and photoprotection in peach trees. | diurnal variations in photosynthesis, chlorophyll fluorescence, xanthophyll cycle, antioxidant enzymes and antioxidant metabolism in leaves in response to low sink demand caused by fruit removal (-fruit) were studied in 'zaojiubao' peach (prunus persica (l.) batch) trees during the final stage of rapid fruit growth. compared with the retained fruit treatment (+fruit), the -fruit treatment resulted in a significantly lower photosynthetic rate, stomatal conductance and transpiration rate, but gene ... | 2008 | 17938121 |
| the complete nucleotide sequence of an isolate of apple chlorotic leaf spot virus from peach (prunus persica (l.) batch). | | 2008 | 18392552 |
| the pericarp extract of prunus persica attenuates chemotherapy-induced acute nephrotoxicity and hepatotoxicity in mice. | the fruit of prunus persica l. (peach) is one of the common fruits. its seed is well known as a traditional medicine (persicae semen) in japan, china, and other asian countries. however, the biological activities of p. persica fruit except its seed are poorly understood. this study was aimed at evaluating the protective effect of the pericarp extract of p. persica (ppe) against cisplatin-induced acute toxicity in mice. ppe (500 mg/kg, p.o.) showed a significant protection against the acute nephr ... | 2008 | 18598173 |
| efficacy of azadirachta indica extracts against boophilus microplus. | extracts were prepared from leaf, bark, and seed of azadirachta indica, leaf and seed of prunus persica, bark of mangifera indica, and leaf of psidium guajava and were evaluated against boophilus microplus. of the eight extracts screened, the extracts prepared from the a. indica seed showed very high level of efficacy (80%) after 5 h of treatment. besides the immediate effect on adult ticks, the egg-laying properties of the survived ticks was also assessed, and a significant reduction (p < 0.01) ... | 2008 | 18769940 |
| fungal control of pathogenic fungi isolated from wild plants in taif governorate, saudia arabia. | twenty two plants were collected from taif governorate and identified as: euphorbia glomerifera, juniperus procera, launaea mucronata, capparis dcidua, punica granatum, opuntia ficus, prunus persica, eucalyptus globulus, medicago sativa, artemisia monosperma, trichodesma calathiforme, artemisia judaica, foeniculum vulgare, phagnalon sinaicum, rumex dentatus, asphodelus aestives, pulicaria crispa, launae sonchoides, forsskaolea tenacissima, arnebia hispidissima, avena spp and aerva lanata. pathog ... | 2007 | 18928069 |
| quantitative models for describing temperature and moisture effects on sporulation of phomopsis amygdali on peach. | abstract twigs with constriction cankers were pruned from a prunus persica 'jerseyglo' orchard and placed in incubators under high humidity (>95%) at constant temperatures of -6, 1, 10, 17, 24, 31, 38, and 45 degrees c. cankers were removed for observation after 2, 6, 24, 48, 72, and 96 h incubation. sporulation was expressed as the percentage of pycnidia producing cirri and the number of conidia per pycnidium or canker. the experiment was first performed during 1998 to 1999 and then repeated in ... | 2003 | 18944102 |
| influence of stem diameter, water content, and freezing-thawing on bacterial canker development in excised stems of dormant stone fruit. | abstract in excised dormant stems of peach (prunus persica), prune (prunus domestica), and almond (prunus dulcis), stem diameter, stem hydration, and freezing-thawing influenced the extent of infection caused by pseudomonas syringae pv. syringae. bacterial lesion length increased with increasing stem diameter, demonstrating the need to account for the effects of stem diameter when lesion length data are analyzed. lesion length increased or decreased with stem hydration or dehydration, respective ... | 1999 | 18944742 |
| causal role of xylella fastidiosa in oleander leaf scorch disease. | abstract a lethal leaf scorch disease of oleander (nerium oleander) appeared in southern california in 1993. a bacterium, xylella fastidiosa, was detected by culturing, enzyme-linked immunoassay, and polymerase chain reaction in most symptomatic plants but not in symptomless plants or negative controls. inoculating oleanders mechanically with x. fastidiosa cultures from diseased oleanders caused oleander leaf scorch (ols) disease. the bacterium was reisolated from inoculated plants that became d ... | 1999 | 18944803 |
| effect of entomopathogenic nematodes on mesocriconema xenoplax populations in peach and pecan. | the effect of steinernema riobrave and heterorhabditis bacteriophora on population density of mesocriconema xenoplax in peach was studied in the greenhouse. twenty-one days after adding 112 m. xenoplax adults and juveniles/1,500 cm(3) soil to the soil surface of each pot, 50 infective juveniles/cm(2) soil surface of either s. riobrave or h. bacteriophora were applied. another entomopathogenic nematode application of the same density was administered 3 months later. the experiment was repeated on ... | 2004 | 19262805 |
| carbon metabolism of peach fruit after harvest: changes in enzymes involved in organic acid and sugar level modifications. | peach (prunus persica l. batsch) is a climacteric fruit that ripens after harvest, prior to human consumption. organic acids and soluble sugars contribute to the overall organoleptic quality of fresh peach; thus, the integrated study of the metabolic pathways controlling the levels of these compounds is of great relevance. therefore, in this work, several metabolites and enzymes involved in carbon metabolism were analysed during the post-harvest ripening of peach fruit cv 'dixiland'. depending o ... | 2009 | 19264753 |
| assessment of guardian peach rootstock for resistance to two isolates of pratylenchus vulnus. | guardian, lovell, and nemaguard peach rootstocks were evaluated for their susceptibility and growth response to two isolates of pratylenchus vulnus. one nematode isolate was obtained from peach in georgia (p. vulnus [ga-isolate]) and the other from apple in idaho (p. vulnus [id-isolate]). nematode reproduction and pathogenicity as related to rootstock were determined 29 months after inoculation in outdoor microplots. all rootstocks were susceptible to both nematode isolates. guardian supported a ... | 2001 | 19265892 |
| how reliable is the double-ended pressure sleeve technique for assessing xylem vulnerability to cavitation in woody angiosperms? | the reliability of a double-ended pressure sleeve technique was evaluated on three woody angiosperm species with contrasting maximum vessel lengths. vulnerability curves (vcs) were constructed by varying sample length and the size of the pressure sleeves. vcs were compared against curves obtained with reference techniques. for the two diffuse-porous species, betula pendula and prunus persica, vcs built with shoot segments shorter than maximum vessel length strongly overestimated species vulnerab ... | 2011 | 21401617 |
| biological control of the phytoparasitic nematode mesocriconema xenoplax on peach trees. | seven fluorescent pseudomonas spp. capable of inhibiting reproduction of mesocriconema xenoplax have been isolated from soil sites that suppress both nematode multiplication and peach tree short life (ptsl). one of these seven strains, pseudomonas sp. bg33r, inhibits m. xenoplax multiplication in vivo and egg hatch in vitro. mesocriconema xenoplax populations on peach seedlings inoculated with bg33r and planted into soil-solarized field plots remained at or below the economic threshold for nemat ... | 2002 | 19265918 |
| differential response to root-knot nematodes in prunus species and correlative genetic implications. | responses of 17 prunus rootstocks or accessions (11 from the subgenus amygdalus and 6 from the subgenus prunophora) were evaluated against 11 isolates of meloidogyne spp. including one m. arenaria, four m. incognita, four m. javanica, one m. hispanica, and an unclassified population from florida. characterization of plant response to root-knot nematodes was based on a gall index rating. numbers of females and juveniles plus eggs in the roots were determined for 10 of the rootstocks evaluated aga ... | 1997 | 19274170 |
| effects of six pratylenchus vulnus isolates on the growth of peach-almond hybrid and apple rootstocks. | the effects of six geographic isolates of pratylenchus vulnus on the growth of gf-677 peach-almond hybrid and m-26 apple rootstocks were determined under greenhouse conditions. plantlets were obtained from micropropagated plant material, and nematode isolates were reared in monoxenic cultures. all isolates suppressed growth on gf-677 compared with the uninfected controls. isolate pvro-s from spain affected top weight of gf-677 more adversely than pvat-f from france. final population densities (p ... | 1993 | 19279851 |
| effect of lime on criconemella xenoplax and bacterial canker in two california orchards. | in a peach orchard with an initial soil ph of 4.9, preplant application of 0, 13.2, 18.2, 27.3, or 54.2 kg lime/tree site altered soil ph (range after 1 year = 4.8-7.3) but did not affect numbers of criconemella xenoplax or tree circumference. liming also failed to reduce the incidence of bacterial canker, which affected 17% of the trees by the sixth year after planting. four years after planting, numbers of c. xenoplax exceeded 400/100 cm(3) soil, regardless of treatment. trees with higher dens ... | 1994 | 19279934 |
| the cucumber vein yellowing virus silencing suppressor p1b can functionally replace hcpro in plum pox virus infection in a host-specific manner. | plant viruses of the genera potyvirus and ipomovirus (potyviridae family) use unrelated rna silencing suppressors (rss) to counteract antiviral rna silencing responses. hcpro is the rss of potyvirus spp., and its activity is enhanced by the upstream p1 protein. distinctively, the ipomovirus cucumber vein yellowing virus (cvyv) lacks hcpro but contains two p1 copies in tandem (p1ap1b), the second of which functions as rss. using chimeras based on the potyvirus plum pox virus (ppv), we found that ... | 2011 | 21970691 |
| response of peach seedlings to infection by the root lesion nematode pratylenchus penetrans under controlled conditions. | twenty-one open pollinated populations of peach rootstock seedlings were evaluated for their response to infection by the root lesion nematode, pratylenchus penetrans, over a period of 98 days. nematode-infected peach seedling populations were shorter in plant height and had less shoot weight but more dry root weight than nematode-free controls. rootstock differences were demonstrated for nematode increase over the 98-day period, and average total numbers of nematodes in soil and roots. rootstoc ... | 1984 | 19294029 |
| association of criconemella xenoplax and fusarium spp. with root necrosis and growth of peach. | criconemella xenoplax, fusarium solani, and f. oxysporum caused necrosis of nemaguard peach feeder roots in greenhouse tests. root necrosis was more extensive in the presence of either fungus than wtih c. xenoplax alone. shoot growth and plant height were less for plants inoculated with f. oxysporum or f. solani than for plants inoculated with the fungi plus c. xenoplax. neither synergistic nor additive effects on root necrosis or plant growth occurred between c. xenoplax and the fungal pathogen ... | 1986 | 19294169 |
| self-compatible peach (prunus persica) has mutant versions of the s haplotypes found in self-incompatible prunus species. | this study demonstrates that self-compatible (sc) peach has mutant versions of s haplotypes that are present in self-incompatible (si) prunus species. all three peach s haplotypes, s (1), s (2), and s (2m), found in this study encode mutated pollen determinants, sfb, while only s (2m) has a mutation that affects the function of the pistil determinant s-rnase. a cysteine residue in the c5 domain of the s (2m)-rnase is substituted by a tyrosine residue, thereby reducing rnase stability. the peach ... | 2007 | 17006593 |
| physicochemical characteristics of ambient particles settling upon leaf surfaces of urban plants in beijing. | particulate pollution is a serious health problem throughout the world, exacerbating a wide range of respiratory and vascular illnesses in urban areas. urban plants play an important role in reducing particulate pollution. physicochemical characteristics of ambient particles settling upon leaf surfaces of eleven roadside plants at four sites of beijing were studies. results showed that density of particles on the leaf surfaces greatly varied with plant species and traffic condition. fraxinus chi ... | 2006 | 17278748 |
| leaf extrafloral nectaries enhance biological control of a key economic pest, grapholita molesta (lepidoptera: tortricidae), in peach (rosales: rosaceae). | extrafloral nectaries (efns) in many plant species produce sugary secretions that commonly attract ants. this research determined the impact of peach (prunus persica l. batsch) efns on the biological control of the oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae), a key economic pest in peach orchards, and studied interactions of efns and ants. studies (2002-2005) in peach orchards of the mid-atlantic united states showed that 'lovell' peach trees with efns supported mo ... | 2007 | 17445373 |
| effects of orchard host plants (apple and peach) on development of oriental fruit moth (lepidoptera: tortricidae). | studies were designed to examine the effects of host plants (apple, malus domestica borkh., and peach, prunus persica l.) on the development of oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae). oriental fruit moth larvae developed faster on peach than on apple, both on fruit as well as on growing terminal shoots. on fruit, these differences were shown to cause significant changes in both the rate (approximately 20-60 degree-days earlier emergence on peach than on apple) ... | 2007 | 17461067 |
| extrafloral nectaries alter arthropod community structure and mediate peach (prunus persica) plant defense. | we investigated the role of extrafloral nectaries (efns) in mediating plant defense for newly established peach (prunus persica) trees. we used peaches of a single cultivar ("lovell") that varied with respect to efn leaf phenotype (with or without efns) to determine if the efns affected the structure of the arthropod community colonizing newly planted seedlings. we also tested if the plants producing efns benefited from reduced herbivory or enhanced productivity. in the first year following plan ... | 2009 | 19425434 |
| mechanisms of inhibiting proliferation of vascular smooth muscle cells by serum of rats treated with dahuang zhechong pill. | dahuang zhechong pill (dhzcp), a famous and classical chinese herbal prescription, consists of twelve traditional chinese drugs: eupolyphaga sinensis walker., rheum officinale baill., scutellaria baicalensis georgi., glycyrrhiza uralensis fisch., prunus persica batsch., prunus armeniaca l., paeonia lactiflora pall., rehmannia glutinosa libosch., toxicodendron vernicifluum f.a. barkl., tabanus bivittatus mats., hirudo nipponica whitman. and holotrichia diomphalia bates., and is clinically used to ... | 2009 | 19527826 |
| the complete nucleotide sequence of an isolate of asian prunus virus 1 from peach [prunus persica (l) batch]. | | 2009 | 19578926 |
| dispersal, patch leaving, and distribution of homalodisca vitripennis (hemiptera: cicadellidae). | homalodisca vitripennis (germar) and related species have caused millions of dollars in damage to southern california vineyards in recent years through the vectoring of pierce's disease. however, the effects of surrounding vegetation on the dispersal and distribution of h. vitripennis are poorly understood. therefore, the relationship between dispersal rates and patch quality was tested, as well as the basic predictions of the marginal value theorem. additional experiments were conducted to comp ... | 2009 | 19791613 |
| host preference and development of leptoglossus zonatus (hemiptera: coreidae) on satsuma mandarin. | leptoglossus zonatus (dallas) (hemiptera: coreidae) has recently emerged as a key pest of satsuma mandarin, citrus unshiu marcovitch, and other fruit crops in the gulf coast region of the united states. studies were conducted under laboratory conditions (25 +/- 2 degrees c, 50 +/- 10% rh, and a photoperiod of 14:10 [l:d] h) to investigate host preference and suitability of satsuma fruit as host for this pest. three separate multiple choice experiments were performed to compare attraction of l. z ... | 2009 | 19886456 |
| detection of prune dwarf virus by one-step rt-pcr and its quantitation by real-time pcr. | a quantitative pcr, real-time rt-pcr, and one-step real-time rt-pcr using sybr green-based tools for reliable detection and relative quantitation of prune dwarf virus (pdv) in stone fruits are described. the assay reliability was tested on 55 samples from different hosts and regions. the sensitivity of the assay was also compared with other assays with different primers. two plant-expressed genes, actin and 18s rrna, were used as housekeeping genes for accurate quantitation of pdv in stone fruit ... | 2010 | 20003914 |
| ethnopharmacological application of medicinal plants to cure skin diseases and in folk cosmetics among the tribal communities of north-west frontier province, pakistan. | the present investigation is an attempt to find out ethnopharmacological application of medicinal plants to cure skin diseases and in folk cosmetics. | 2010 | 20138210 |
| novel paraconiothyrium species on stone fruit trees and other woody hosts. | coniothyrium-like fungi are common wood and soil inhabitants and hyperparasites on other fungi. they belong to different fungal genera within the pleosporales. several isolates were obtained on wood of different prunus species (plum, peach and nectarine) from south africa, on actinidia species from italy and on laurus nobilis from turkey. morphological and cultural characteristics as well as dna sequence data (5.8s nrdna, its1, its2, partial ssu nrdna) were used to characterise them. the isolate ... | 2008 | 20467483 |
| field evaluation of traps and lures for monitoring plum curculio (coleoptera: curculionidae) in alabama peaches. | the plum curculio, conotrachelus nenuphar (herbst) (coleoptera: curculionidae), is a key pest of peaches, prunus persica (l.) batsch, in north america. we evaluated the effectiveness of two widely used trap types (pyramid versus circle traps) and commercially available synthetic lures for monitoring the pest in two peach orchards in alabama during 2008 and 2009. the lures evaluated alone or in combinations included benzaldehyde (bz) (a component of fruit odor), plum essence (pe) (a mixture of fr ... | 2010 | 20568620 |