Publications

in situ phytoextraction of polychlorinated biphenyl - (pcb)contaminated soil.	a pilot-scale field trial of phytoextraction of pcbs provides insight into the practical application of this technology, using the plant species cucurbita pepo ssp pepo cv. howden (pumpkin), carex normalis (sedge), and festuca arundinacea (tall fescue). this in situ trial took place at a historically contaminated field site, in soil contaminated with a mean concentration of 46 microg/g (range of 0.6 - 200 microg/g) total pcbs (aroclor 1254/1260). shoot bioaccumulation factors (where baf(shoot)=[ ...	2007	17258285
comparing contributions of soil versus root colonization to variations in stomatal behavior and soil drying in mycorrhizal sorghum bicolor and cucurbita pepo.	in prior studies we learned that colonization of soil can be as important as colonization of roots in determining mycorrhizal influence on the water relations of host plants. here we use a path analysis modeling approach to test (a) whether quantity of hyphae in soil contributes to variations in stomatal behavior and soil drying, and (b) whether soil colonization or root colonization has a stronger influence on these stomatal and soil drying responses. experiments were performed on sorghum bicol ...	2007	17189660
reactions, characterization and uptake of ammoxidized kraft lignin labeled with 15n.	ammoxidation of kraft lignin was carried out in a parr reactor using (15)nh(3) as the main nitrogen source. reaction parameters were set up until a total nitrogen content of approximately 13 wt.% in lignin was achieved, in accordance with conditions of previous studies. analytical tools such as ftir, py-gc/ms, and solid state nmr were used in this research. the nature of nitrogen bondings is discussed. the incorporation of the (15)n from ammoxidized lignin was followed in pumpkins (zucchini cucu ...	2007	17161600
isotopic enrichment in a phloem-feeding insect: influences of nutrient and water availability.	the isotopic enrichment between an animal and its diet can vary among and within living systems, but the sources of variation are not yet fully understood. some studies have found that diet quality or an animal's nutritional status can influence the degree of trophic enrichment, while others have dismissed nutrition as a contributing factor. we evaluated the effects of nutrient and water availability on carbon and nitrogen isotopic enrichment in a specialized plant-herbivore system. aphids are l ...	2007	17124569
diabrotica virgifera virgifera leconte: inconspicuous leaf beetle--formidable challenges to agriculture.	in the universe of entomology with its close to one million described and an estimated ten million undescribed species, diabrotica virgifera virgifera leconte (coleoptera: chrysometidae), the western corn rootworm (wcr), is one of the economically most important pests. it causes annual treatment costs and damages of a billion dollars in the us (metcalf 1986). similar costs are predicted for europe which the beetle invaded 15 years ago. due to lack of natural enemies it is now expanding its terri ...	2007	18399421
impact of daily consumption of iron fortified ready-to-eat cereal and pumpkin seed kernels (cucurbita pepo) on serum iron in adult women.	iron deficiency, anemia, is the most prevalent nutritional problem in the world today. the objective of this study was to consider the effectiveness of consumption of iron fortified ready-to-eat cereal and pumpkin seed kernels as two sources of dietary iron on status of iron nutrition and response of hematological characteristics of women at reproductive ages. eight healthy female, single or non pregnant subjects, aged 20-37 y consumed 30 g of iron fortified ready-to-eat cereal (providing 7.1 mg ...	2007	18198398
methyl jasmonate is a more effective senescence-promoting factor in cucurbita pepo (zucchini) cotyledons when compared with darkness at the early stage of senescence.	the effects of short-term darkening and methyl jasmonate (meja) on cotyledon senescence were studied 24h after transfer of intact 7-day-old cucurbita pepo (zucchini) seedlings to darkness or spraying with 100 microm meja. the jasmonate inhibitory effect on chlorophyll content and chloroplast transcriptional activity was stronger compared with darkness. further, meja reduced the photosynthetic rate whereas darkness did not affect photosynthesis. neither stress factor affected the photochemical qu ...	2007	16987568
the effect of stem pruning and nitrogen levels of on some physico-chemical characteristics of pumpkin seed (cucurbita pepo l.).	to investigate the effects of stem pruning (no heading, head pruning of stem after formation of 10 and 14 nodes) and nitrogen levels (0, 50, 100 and 200 kg ha(-1)) on physical and chemical characteristic of pumpkin seed a factorial experiment based on randomized complete block design with three replication was carried out in gorgan at 2003 and repeated in 2004 years. results showed that the stem pruning has significant effect on traits such as seed oil, linoleic acid and oleic acid content. nitr ...	2007	19093491
ascorbic acid oxidase is dynamically regulated by light and oxygen. a tool for oxygen management in plants?	ascorbic acid oxidase (aao) is a plant blue-copper protein catalyzing dioxygen reduction to water using ascorbic acid as the electron donor. in spite of extensive molecular characterization the physiological role of aao is still uncertain. abundant mrna, protein and activity of aao were observed in illuminated leaves of cucurbita pepo. aao activity was found to be proportional to light intensity. the light effect was rapidly reversed in dark and activity remained low throughout the dark period. ...	2007	16343690
[lipoxidase in cucurbita pepo roots].		2007	13628795
resistance and tolerance to herbivory changes with inbreeding and ontogeny in a wild gourd (cucurbitaceae).	herbivory is a ubiquitous component of terrestrial communities that reduces plant growth and reproduction. consequently, a goal of evolutionary ecology is to identify the causes and consequences of variation in herbivory within plant populations. this three-year study examined the effects of inbreeding on the resistance of wild gourd plants (cucurbita pepo subsp. texana) to herbivory by cucumber beetles and the impact of the timing of herbivory on reproduction. we grew families of inbred and out ...	2008	21632318
nanoparticles as smart treatment-delivery systems in plants: assessment of different techniques of microscopy for their visualization in plant tissues.	the great potential of using nanodevices as delivery systems to specific targets in living organisms was first explored for medical uses. in plants, the same principles can be applied for a broad range of uses, in particular to tackle infections. nanoparticles tagged to agrochemicals or other substances could reduce the damage to other plant tissues and the amount of chemicals released into the environment. to explore the benefits of applying nanotechnology to agriculture, the first stage is to ...	2008	17998213
characterization of esterases from cucurbita pepo cv. "eskandrani".	two of the six esterases identified in cucurbita pepo cv. "eskandrani" were purified to homogeneity using two chromatography steps: anion exchange and gel filtration. the molecular weights of c. pepo esterases eic and eii were 50,000 +/- 1500 and 68,000 +/- 1900 da from gel filtration and 47,000 and 66,000 da from sds/page, respectively, suggesting a monomeric structure for both enzymes. esterases eic and eii had k(m) values of 1.22 and 1.56 mm and ph optima at 9.0 and 8.0, respectively. the sub ...	2008	17321740
differential uptake for dioxin-like compounds by zucchini subspecies.	the zucchini (cucurbita pepo) cultivars 'patty green', 'black beauty', and 'gold rush' were cultivated on weathered dioxin-contaminated soil in pots, and concentrations of the 29 dioxin-like compounds that were assigned who-tefs, three non-toxic polychlorinated dibenzo-p-dioxins/dibenzofurans (pcdd/fs), and two non-dioxin-like polychlorinated biphenyls (pcbs) were analyzed. toxic equivalent (teq) values accumulated in 'black beauty' and 'gold rush' were about 180 times higher than those in 'patt ...	2008	18835616
senescence progression in a single darkened cotyledon depends on the light status of the other cotyledon in cucurbita pepo (zucchini) seedlings: potential involvement of cytokinins and cytokinin oxidase/dehydrogenase activity.	darkness mediates different senescence-related responses depending on the targeting of dark treatment (whole plants or individual leaves) and on the organs that perceive the signal (leaves or cotyledons). as no data are available on the potential role of darkness to promote senescence when applied to individual cotyledons, we have investigated how darkness affects the progression of senescence in either a single or both individually darkened cotyledons of young 10-day-old cucurbita pepo (zucchin ...	2008	18823328
the effects of repeated planting, planting density, and specific transfer pathways on pcb uptake by cucurbita pepo grown in field conditions.	an in situ field investigation into the potential of pcb phytoextraction by cucurbita pepo ssp. pepo (pumpkin) plants was continued for a second year at a field site known to be contaminated with a mixture of aroclors 1254 and 1260 (average soil [pcb]=21 microg/g). plant stem and leaf pcb concentrations in this second field season (11 and 8.9 microg/g, respectively) were observed to increase significantly from the stem and leaf pcb concentrations reported in the previous year (5.7 and 3.9 microg ...	2008	18786697
differential effects of methyl jasmonate on growth and division of etiolated zucchini cotyledons.	the jasmonates are well studied in the context of plant defence but increasingly are also recognised as playing roles in development. in many systems, jasmonates antagonise the effects of cytokinins. the aim of the present work was to elucidate interactions between methyl jasmonate and cytokinin (benzyladenine) in regulating growth of zucchini (cucurbita pepo l., cv. cocozelle, var. tripolis) cotyledons, taking advantage of the ability to simultaneously quantify cell enlargement and division fro ...	2008	18557907
response of citrus peelminer marmara gulosa guillén and davis (lepidoptera: gracillariidae) stages to various insecticides.	egg and larval stages of citrus peelminer marmara gulosa guillén and davis infesting zucchini squash cucurbita pepo l. var 'revenue' were exposed in the laboratory to a wide range of insecticide classes used in california citrus (organophosphate, carbamate, pyrethroid, neonicotinoid, insect growth regulator, fermentation products and sulfur) to determine peelminer response with and without a non-ionic adjuvant or oil.	2008	18506674
ascorbic acid conjugates isolated from the phloem of cucurbitaceae.	analysis of phloem exudates from the fruit of cucurbitaceae revealed the presence of several compounds with uv-visible absorption spectra identical to that of l-ascorbic acid. in cucurbita pepo l. (zucchini), the compounds could be isolated from phloem exudates collected from aerial parts of the plant but were not detected in whole tissue homogenates. the compounds isolated from the phloem exudates of c. pepo fruit were eluted from strong anion exchange resin in the same fraction as l-ascorbic a ...	2008	18472116
monitoring diabrotica v. virgifera (col.: chrysomelidae) in southeastern slovenia: increasing population trend and host spectrum expansion.	ever since the western corn rootworm (wcr) (diabrotica virgifera virgifera), an alien invasive species from north america, has been introduced into europe on at least 3 separate occasions, it spread within 15 years over the entire area of south-eastern and central europe (except denmark). until quite recently, zea mays l. was the only known host plant whereas in north america wcr also attacks members of the plant family cucurbitaceae. in august of 2006, we were able to validate these findings al ...	2008	19226789
cold tolerance and plant growth promotion potential of serratia marcescens strain srm (mtcc 8708) isolated from flowers of summer squash (cucurbita pepo).	to determine the cold tolerance and plant growth promotion potential of serratia marcescens strain srm (mtcc 8708).	2008	18028329
dde remediation and degradation.	ddt and its metabolites, ddd and dde, have been shown to be recalcitrant to degradation. the parent compound, ddt, was used extensively worldwide starting in 1939 and was banned in the united states in 1973. the daughter compound, dde, may result from aerobic degradation, abiotic dehydrochlorination, or photochemical decomposition. dde has also occurred as a contaminant in commercial-grade ddt. the p,p'-dde isomer is more biologically active than the o,p-dde, with a reported half-life of -5.7 ye ...	2008	18069646
purine-containing cucurbitane triterpenoids from cucurbita pepo cv dayangua.	phytochemical investigation of the fruits of cucurbita pepo cv dayangua led to the isolation of cucurbitaglycosides a (1) and b (2). this is the first report of cucurbitane triterpenoids with a purine unit. their structures were elucidated mainly based on interpretation of hresims results, as well as 1d and 2d nmr spectra. cucurbitaglycosides a and b showed cytotoxic activity against the human epithelial carcinoma cell line hela with ic50 of 17.2 and 28.4 microg/ml, respectively.	2008	18325551
microsatellites for the genus cucurbita and an ssr-based genetic linkage map of cucurbita pepo l.	until recently, only a few microsatellites have been available for cucurbita, thus their development is highly desirable. the austrian oil-pumpkin variety gleisdorfer olkürbis (c. pepo subsp. pepo) and the c. moschata cultivar soler (puerto rico) were used for ssr development. ssr-enriched partial genomic libraries were established and 2,400 clones were sequenced. of these 1,058 (44%) contained an ssr at least four repeats long. primers were designed for 532 ssrs; 500 primer pairs produced fragm ...	2008	18379753
sunflower (helianthus annuus l.) as a pre-columbian domesticate in mexico.	mexico has long been recognized as one of the world's cradles of domestication with evidence for squash (cucurbita pepo) cultivation appearing as early as 8,000 cal b.c. followed by many other plants, such as maize (zea mays), peppers (capsicum annuum), common beans (phaseolus vulgaris), and cotton (gossypium hirsutum). we present archaeological, linguistic, ethnographic, and ethnohistoric data demonstrating that sunflower (helianthus annuus) had entered the repertoire of mexican domesticates by ...	2008	18443289
pancreatic proteolytic enzymes of ostrich purified on immobilized protein inhibitors. characterization of a new form of chymotrypsin (chtr1).	four forms of chymotrypsin (chtr1, chtr2, chtr3, chtr4), one form of trypsin and one form of elastase were purified from a slightly alkaline extract of ostrich (struthio camelus) pancreas. the zymogens in the crude extract were activated with immobilized trypsin and then separated by affinity chromatography using immobilized inhibitors and ion exchange chromatography. one of the purified forms of chymotrypsin (chtr1) exhibited an unusual interaction with the highly selective protein trypsin inhi ...	2008	18598777
effect of ripe fruit pulp extract of cucurbita pepo linn. in aspirin induced gastric and duodenal ulcer in rats.	a significant decrease in alkaline phosphatase (ap) activity and mucosal thickness and increase in ulcer index (ui) was observed in aspirin treated stomach and duodenum of albino rats. however, pretreatment with c. pepo fruit pulp extract for 14 consecutive days showed increase in ap activity and mucosal thickness along with decrease in ui, suggesting gastroduodenal protective and anti-ulcerogenic properties of c. pepo.	2008	18949893
population size and incidence of virus infection in free-living populations of cucurbita pepo.	impact assessments of virus resistance transgene introgression into wild, free-living populations are important for determining whether these transgenes present a risk to agriculture or the environment. transgenic virus-resistant cucurbita pepo ssp. ovifera var. ovifera l. (squash) cultivars have been commercialized, and may be cultivated in close proximity to cross-compatible wild, free-living relatives (c. pepo subsp. pepo vars. ozarkana and texana). therefore, the potential impact of these vi ...	2008	19081007
influence of compost amendment on pyrene availability from artificially spiked soil to two subspecies of cucurbita pepo.	the dissolved organic matter (dom) fraction of soil organic matter (som) may positively contribute to polycyclic aromatic hydrocarbons (pahs) bioavailability. this work investigated the effects of dom-rich and pahs-free compost amendment on the plant uptake of pyrene. two subspecies of cucurbita pepo (ssp. pepo cv. raven and ssp. texana cv. sunray) were grown for three weeks in a spiked soil containing 83.9 mg kg(-1) pyrene under four different treatments; inorganic fertilizer (if) alone, 15% (v ...	2008	18632137
papaya ringspot virus-p: characteristics, pathogenicity, sequence variability and control.	taxonomy: papaya ringspot virus (prsv) is an aphid-transmitted plant virus belonging to the genus potyvirus, family potyviridae, with a positive sense rna genome. prsv isolates belong to either one of two major strains, p or w. the p strains infect both papaya and cucurbits whereas the w strains infect only cucurbits. geographical distribution: prsv-p is found in all major papaya-growing areas. physical properties: virions are filamentous, non-enveloped and flexuous measuring 760-800 x 12 nm. vi ...	2008	18705869
an easy method using glutaraldehyde-introduced fluorescence for the microscopic analysis of plant biotrophic interactions.	the method introduced in this article makes use of the glutaraldehyde-induced auto-fluorescence of proteins after cross-linking with glutaraldehyde for the analysis of cellular and sub-cellular structures. because the interface of biotrophic interactions is rich in proteins, the method presented is particularly suitable for the analysis of such interactions; we have exemplified its usefulness by analyzing (1) the root feeding sites induced in roots from arabidopsis thaliana by the root-knot nema ...	2008	18778431
hplc-dad-ms(n) characterisation of carotenoids from apricots and pumpkins for the evaluation of fruit product authenticity.	carotenoids including carotenoid esters from six apricot (prunus armeniaca l.) cultivars and from eight cultivars from three pumpkin species (cucurbita maxima duch., cucurbita pepo l., and cucurbita moschata duch.) were extracted without saponification, separated on a c-30 reversed-phase column and characterised by high-performance liquid chromatography/atmospheric pressure chemical ionisation-mass spectrometry (lc-ms). the predominant free carotenoids were quantified by hplc with diode array de ...	2008	26049248
ssr-based genetic linkage map of cucurbita moschata and its synteny with cucurbita pepo.	the first ssr-based genetic linkage map of cucurbita moschata was created by integrating the maps of two f2 populations with one common parent developed from the crosses waltham butternut (wb) x nigerian local (nl) and zhou (a hull-less type) x wb. the integrated c. moschata map comprises 205 ssr markers and two morphological traits (gr and n). the map is composed of 27 linkage groups with a marker density of 7 cm. comparing the c. moschata map with the published cucurbita pepo map, we found a h ...	2008	18956020
effect of home freezing and italian style of cooking on antioxidant activity of edible vegetables.	in this study, we analyzed the modifications of antioxidant activity consequent to 3 typical home cooking practices (steaming, boiling, and microwave cooking) in fresh and home frozen vegetables. six different vegetable species were examined: carrots (daucus carota l.), zucchini (cucurbita pepo l.), tomatoes (solanumn lycopersicum l.), green beans (phaseolus vulgaris l.), peas (pisum sativum l.), and yellow peppers (capsicum annuum l.). all vegetables were conventional products and were analyzed ...	2008	19241586
computer analysis of phytochrome sequences from five species: implications for the mechanism of action.	the amino acid sequences of phytochrome from avena sativa, oryza sativa, curcurbita pepo, pisum sativum and arabidopsis thaliana have been analyzed with a variety of computer programs, with a view to identifying areas of the protein which contribute to the properties of this photoreceptor. a region at the c-terminus has been shown to be amphiphilic, and by analogy with surface-seeking peptides, may be responsible for interaction of phytochrome with lipid bilayers. possible targeting sequences in ...	2009	2291773
wild bee abundance and pollination service in cultivated pumpkins: farm management, nesting behavior and landscape effects.	recent declines in managed and feral honey bee populations have greatly increased interest in the current and potential role of wild pollinators in agricultural pollination. pumpkin (cucurbita pepo l.) has great potential to be served by wild pollinators because of a reliable and widespread group of bee species that are commonly associated with their flowers, including bumble bees (bombus spp.), and, in the americas, two genera of specialist ground nesting bees (peponapis and xenoglossa). we exa ...	2009	19449636
[resistance of squash genotypes to bemisia tabaci (genn.) biotype b (hemiptera: aleyrodidae)].	field assays were performed to evaluate the attractiveness and the non-preference of whitefly bemisia tabaci (genn.) biotype b for oviposition on squash genotypes (cucurbita pepo) and to observe the susceptibility of genotypes (novita, sandy, caserta cac melhorada, novita plus, samira, bianca, af-2858 and caserta ts) to silverleaf symptoms. the sandy genotype was the least attractive to whitefly, while novita plus, af-2858 and samira were the most attractive. the caserta cac melhorada genotype w ...	2009	19768274
species and genus specificity of the intergenic spacer (igs) in the ribosomal rna genes of cucurbitaceae.	the use of intergenic spacer (igs) fragments of plant ribosomal dna (rdna) for the differentiation between genera and species is tested by cross-hybridization experiments with different igs probes of two cucurbitaceae, cucurbita pepo (zucchini) and cucumis sativus (cucumber). hybridization with cloned fragments of different parts of the igs of ribosomal dna exhibit a different degree of conservation within and between the cucurbitaceae genera. in general, cucurbita species seem to be closer rela ...	2009	2631730
spent mushroom substrates as component of growing media for germination and growth of horticultural plants.	this research work was conducted in order to investigate the possibility of using spent mushroom substrate (sms) in the production of horticultural seedlings replacing part of the peat in the growing media. three vegetable species with different salt sensitivities, the less sensitive being tomato (lycopersicon esculentum var. muchamiel), the moderately salt-sensitive being courgette (cucurbita pepo l. var. afrodite f1) and the most salt-sensitive being pepper (capsicum annum l. var. lamuyo f1) w ...	2009	19409775
rapid diagnosis of plant virus diseases by transmission electron microscopy.	a clear and rapid diagnosis of plant virus diseases is of great importance for agriculture and scientific experiments in plant phytopathology. even though negative staining and transmission electron microscopy (tem) are often used for detection and identification of viral particles and provide rapid and reliable results, it is necessary to examine ultrastructural changes induced by viruses for clear identification of the disease. with conventional sample preparation for tem it can take several d ...	2009	19665483
risk assessment of genetically engineered crops: fitness effects of virus-resistance transgenes in wild cucurbita pepo.	the development of crops genetically engineered for pathogen resistance has raised concerns that crop-to-wild gene flow could release wild or weedy relatives from regulation by the pathogens targeted by the transgenes that confer resistance. investigation of these risks has also raised questions about the impact of gene flow from conventional crops into wild plant populations. viruses in natural plant populations can play important roles in plant fecundity and competitive interactions. here, we ...	2009	19688918
leaf herbivory increases floral fragrance in male but not female cucurbita pepo subsp. texana (cucurbitaceae) flowers.	mutualisms are key interactions that affect population dynamics and structure communities, but the extent to which mutualists can attract potential partners may depend on community context. many studies have shown that leaf herbivory reduces pollinator visitation and have focused on reduced floral visual display and rewards as potential mechanisms. however, olfactory display plays a critical role in mediating interactions between plants, herbivores, and pollinators. we simulated leaf damage in c ...	2009	21628242
influence of cover crop and intercrop systems on bemisia argentifolli (hemiptera: aleyrodidae) infestation and associated squash silverleaf disorder in zucchini.	field experiments were conducted to evaluate the effects of cover cropping and intercropping on population densities of silverleaf whitefly, bemisia argentifolli bellow and perring, and the incidence of squash silverleaf disorder (ssl) in zucchini, cucurbita pepo l., in oahu, hi. two cover crops, buckwheat (bw), fagopyrum esculentum moench, and white clover (wc), trifolium repens l., or sunn hemp (sh), crotolaria juncea l., and an intercropped vegetable, okra, abelmonchus esculentus l., were eva ...	2009	19389294
nanoparticle penetration and transport in living pumpkin plants: in situ subcellular identification.	in recent years, the application of nanotechnology in several fields of bioscience and biomedicine has been studied. the use of nanoparticles for the targeted delivery of substances has been given special attention and is of particular interest in the treatment of plant diseases. in this work both the penetration and the movement of iron-carbon nanoparticles in plant cells have been analyzed in living plants of cucurbita pepo.	2009	19389253
initial formation of an indigenous crop complex in eastern north america at 3800 b.p.	although geneticists and archaeologists continue to make progress world-wide in documenting the time and place of the initial domestication of a growing number of plants and animals, far less is known regarding the critically important context of coalescence of various species into distinctive sets or complexes of domesticates in each of the world's 10 or more independent centers of agricultural origin. in this article, the initial emergence of a crop complex is described for one of the best-doc ...	2009	19366669
ultraweak and induced photon emission after wounding of plants.	the ultraweak and induced photon emission were measured by a single photon counting equipment (photomultiplier hamamatsu r562) on cucurbita pepo variaca styriacae after wounding. wounding significantly changes the emission from a stationary to a nonstationary state and the shape of the decay curve obtained after light illumination. the rise in the ultraweak photon emission depends on the kind of wounding and its localization on the plant. the decay curves obtained after wounding could be better ...	2009	19254235
plant mitochondria electron partitioning is independent of short-term temperature changes.	we tested the hypotheses that relative activity of the less efficient alternative oxidase (aox) path changes with diurnal temperature changes, and thus changes carbon use efficiency with temperature. the activities of the alternative and cytochrome oxidase (cox) paths in plant tissues of three species were determined by measuring 18o/16o discrimination and total respiration from 17 to 36 degrees c. a new, more accurate method for calculating oxygen uptake rate from the mass spectrometry data was ...	2009	19210639
assay-dependent phytotoxicity of nanoparticles to plants.	the effects of five nanomaterials (multiwalled carbon nanotubes [mwcnts], ag, cu, zno, si) and their corresponding bulk counterparts on seed germination, root elongation, and biomass of cucurbita pepo (zucchini) were investigated. the plants were grown in hydroponic solutions amended with nanoparticles or bulk material suspensions at 1000 mg/l. seed germination was unaffected by any of the treatments, but cu nanoparticles reduced emerging root length by 77% and 64% relative to unamended controls ...	2009	19924897
the effects of planting methods and head pruning on seed yield and yield components of medicinal pumpkin (cucurbita pepo subsp. pepo convar. pepo var. styriaca) at low temperature areas.	this experiment carried out to evaluate the effects of planting methods (seed sowing and transplanting) and head pruning (no pruning, pruning after 12th node and pruning after 16th node) on yield and yield components such as number of branches (sub-branches) per plant, fruits per plant, growth, fruit size, weight of fresh fruit, weight of seeds per fruit, number of seeds per fruit and seed yield of medicinal pumpkin. the experiment was carried out based of factorial experiment with randomized co ...	2009	19580007
enhancing the release and plant uptake of pahs with a water-soluble purine alkaloid.	the effect of a common plant alkaloid, caffeine, on the release and plant uptake of some polycyclic aromatic hydrocarbons (pahs) in soils was investigated. cucurbita pepo (ssp. pepo cv. gold rush) was grown in pah-spiked media in the presence and absence of caffeine. solubility tests initially confirmed the ability of caffeine to dissolve pahs mixtures of anthracene, phenanthrene, pyrene, benzo[a]pyrene and benzo[ghi]perylene. extraction experiments also highlighted its potential as a pah-releas ...	2009	19477480
cucurbitane and hexanorcucurbitane glycosides from the fruits of cucurbita pepo cv dayangua.	phytochemical investigation of the fruits of cucurbita pepo cv dayangua has led to the isolation of two cucurbitane glycosides: cucurbitacin l 2-o-beta-d-glucopyranoside (1), cucurbitacin k 2-o-beta-d-glucopyranoside (2) and two hexanorcucurbitane glycosides: 2,16-dihydroxy-22,23,24,25,26,27-hexanorcucurbit-5-en-11,20-dione 2-o-beta-d-glucopyranoside (3) and 16-hydroxy-22,23,24,25,26,27-hexanorcucurbit-5-en-11,20-dione 3-o-alpha-l-rhamnopyranosyl-(1 --> 2)-beta-d-glucopyranoside (4). compounds 1 ...	2009	17885839
genes for "reverse" fruit striping in squash (cucurbita pepo).	longitudinal striping is a common fruit color pattern in cucurbita pepo and is conferred by any of several alleles at the light coloration-1 locus. normally, dark stripes appear over the fruit surface areas between the 10 main subepidermal vein tracts with the lighter background color over and adjacent to these vein tracts. less commonly, the striping is "reversed," that is, lighter than the background color. the present work was conducted to elucidate the mode of inheritance of reverse striping ...	2009	19153086
[investigation of salt-soluble proteins of pumpkin seeds (cucurbita pepo l.) by a column gradient extraction method].		2009	5870889
cadmium induced changes in subcellular glutathione contents within glandular trichomes of cucurbita pepo l.	plants cope with cadmium (cd) stress by complexation with phytochelatins (pc), metallothioneins and glutathione and sequestration within vacuoles. especially glutathione was found to play a major role in cd detoxification as cd shows a high binding affinity towards thiols and as glutathione is a precursor for pc synthesis. in the present study, we have used an immunohistochemical approach combined with computer-supported transmission electron microscopy in order to measure changes in the subcell ...	2010	19424775
effects of amendments on the uptake and distribution of ddt in cucurbita pepo ssp pepo plants.	the effects of soil amendments on the phytoextraction of summation operatorddt (ddt + ddd + dde) from soil ([ summation operatorddt] approximately 1500 ng/g) by a pumpkin variety of cucurbita pepo ssp pepo were tested and the patterns of summation operatorddt storage throughout the plant shoot were examined. the soil amendments did not increase the total amount of summation operatorddt extracted into plant shoots, but new information about summation operatorddt distribution in the plants was obt ...	2010	19762136
inheritance of p,p'-dde phytoextraction ability in hybridized cucurbita pepo cultivars.	cucurbita pepo ssp pepo (zucchini) has been shown to uniquely phytoextract percent level amounts of dichlorodiphenyldichloroethylene (dde) and other organic contaminants from soil. since c. pepo ssp ovifera (squash) does not have this ability, a three-year field trial was conducted to follow the inheritance pattern of dde accumulation for cross pollinated c. pepo cultivars. parental zucchini and squash cultivars (3 each) had stem-to-soil bioconcentration factors (bcf, contaminant ratio of stem t ...	2010	20507162
understanding the physiological and molecular mechanism of persistent organic pollutant uptake and detoxification in cucurbit species (zucchini and squash).	cucurbita pepo ssp pepo (zucchini) roots phytoextract significant amounts of persistent organic pollutants (pops) from soil, followed by effective translocation to aboveground tissues. the closely related c. pepo ssp ovifera (squash) does not have this ability. in a dde-contaminated field soil, zucchini roots and stems contained 3.6 and 6.6-fold greater contaminant than did squash tissues, respectively, and zucchini phytoextracted 12-times more dde from soil than squash. in batch hydroponics, sq ...	2010	20507062
bryonolic acid: a large-scale isolation and evaluation of heme oxygenase 1 expression in activated macrophages.	bryonolic acid (ba) is a triterpenoid found in the cucurbitaceae family of plants. our interests in the immunomodulatory effects of this class of natural products led us to discover that ba induces a marked increase in the expression of a phase 2 response enzyme, heme oxygenase 1 (ho-1), in a dose-dependent manner. this phenotype has translational implications in malarial disease progression, and consequently we developed a large-scale isolation method for ba that will enable future in vitro and ...	2010	20481554
mobility and half-life of bensulide in agricultural soil.	environmentally and economically viable agriculture requires the use of cultivation practices that maximize agrochemical efficacy while minimizing their off-site movement. bensulide [o, o-diisopropyl s-2-phenylsulfonylaminoethyl phosphorodithioate] is one of the few herbicides from the organophosphate group used for control of weeds that threaten numerous crops. a field study was conducted on a silty-loam soil of 10% slope at kentucky state university research farm to monitor off-site movement a ...	2010	20390925
cloning and characterisation of two ctr1-like genes in cucurbita pepo: regulation of their expression during male and female flower development.	ethylene is an essential regulator of flower development in cucurbita pepo, controlling the sexual expression, and the differentiation and maturation of floral organs. to study the action mechanism of ethylene during the male and female flower development, we have identified two ctr1 homologues from c. pepo, cpctr1 and cpctr2, and analysed their expressions during female and male flower development and in response to external treatments with ethylene. cpctr1 and cpctr2 share a high homology with ...	2010	20390430
a biosensor based on zucchini (cucurbita pepo l.) homogenate as a biorecognition layer for ascorbic acid determination.	an amperometric biosensor based on zucchini (cucurbita pepo) tissue homogenate is presented. the zucchini tissue homogenate was crosslinked with gelatine using glutaraldehyde and fixed on a pretreated teflon membrane. the zucchini tissue contained the enzyme ascorbate oxidase and this enzyme catalyzed the oxidation of ascorbic acid in the presence of dissolved oxygen. the principle of the measurements was based on the determination of the decrease in the dissolved oxygen level. determinations we ...	2010	20384439
[effects of exogenous ca2+ on morphological and photosynthetic characteristics and chlorophyll fluorescent parameters of squash seedlings under high temperature and strong light stress].	taking squash (cucurbita pepo l.) variety alan as test object, this paper studied the effects of exogenous ca2+ on the morphological and photosynthetic characteristics and chlorophyll fluorescent parameters of squash seedlings under the cross-stress of high temperature and strong light. under the stress, applying 5-20 mmol x l(-1) of ca2+ increased the plant height, leaf area, chlorophyll and carotenoid contents, photosynthetic rate (pn), stoma conductance (gs), transpiration rate (tr), maximal ...	2010	21361006
[an extracellular ph changes registration by confocal microscopy in higher plant at the excitation potentials generation].	confocal microscopy technique was applied for registration of apoplast ph changes in the cucurbita pepo seedling stem during generation of action potential and variation potential. fluorescent dye fitc-dextran was used for ph-changes registration. analysis of fluorescence images and fluorescence spectra showed, that fitc-dextran was localized in cell walls. propagation of action potential and variation potential was accompanied by transient increase of fluorescence intensity, which indicated alk ...	2010	20799619
deceptive chemical signals induced by a plant virus attract insect vectors to inferior hosts.	previous studies have shown that vector-borne pathogens can alter the phenotypes of their hosts and vectors in ways that influence the frequency and nature of interactions between them, with significant implications for the transmission and spread of disease. for insect-borne pathogens, host odors are particularly likely targets for manipulation, because both plant- and animal-feeding insects use volatile compounds derived from their hosts as key foraging cues. here, we document the effects of a ...	2010	20133719
floral transmission of erwinia tracheiphila by cucumber beetles in a wild cucurbita pepo.	cucumber beetles, acalymma vittatum (f.) and diabrotica undecipunctata howardi (barber), are specialist herbivores of cucurbits and the vector of erwinia tracheiphila (e.f. smith) holland, the causative agent of wilt disease. cucumber beetles transmit e. tracheiphila when infected frass falls onto leaf wounds at the site of beetle feeding. we show that e. tracheiphila also can be transmitted via the floral nectaries of cucurbita pepo ssp. texana l. andres (texas gourd). under field conditions, w ...	2010	20146850
inoculation of plants with begomoviruses by particle bombardment without cloning: using rolling circle amplification of total dna from infected plants and whiteflies.	a new system for inoculation of plants with begomoviral dna without cloning or the use insect vectors is described. total dna extracted from begomovirus-infected plants was amplified by rolling circle amplification (rca) using the bacteriophage phi29 dna polymerase, and inoculated to plants by particle bombardment. infection rates of up to 100% were obtained using this technique. this technique successfully inoculated all the begomoviruses evaluated: five bipartite (bean golden yellow mosaic vir ...	2010	20447420
detection of plant dna in the bronchoalveolar lavage of patients with ventilator-associated pneumonia.	hospital-acquired infections such as nosocomial pneumonia are a serious cause of mortality for hospitalized patients, especially for those admitted to intensive care units (icus). despite the number of the studies reported to date, the causative agents of pneumonia are not completely known. herein, we found by molecular technique that vegetable and tobacco dna may be detected in the bronchoalveolar lavage from patients with ventilator-associated pneumonia (vap).	2010	20585574
rapid detection of squash leaf curl virus by loop-mediated isothermal amplification.	a loop-mediated isothermal amplification (lamp) assay was employed to develop a simple and efficient system for the detection of squash leaf curl virus (slcv) in diseased plants of squash (cucurbita pepo) and melon (cucumis melo). completion of lamp assay required 30-60 min under isothermal conditions at 65 degrees c by employing a set of four primers targeting slcv. although the sensitivity of the lamp assay and the polymerase chain reaction (pcr) assay was comparable at high virus concentratio ...	2010	20603151
protective role of three vegetable peels in alloxan induced diabetes mellitus in male mice.	the hitherto unknown glucose regulating role of three vegetable peels from cucurbitaceae family was evaluated. in a preliminary study, effects of ethanolic extracts of cucurbita pepo, cucumis sativus and praecitrullus fistulosus peels were studied at 250 and 500 mg kg(-1) d(-1) for 15 days in the alterations in serum glucose and in hepatic lipid peroxidation (lpo) in male mice. in the pilot experiment, the effective and safe concentration of each peel was administered (p.o.) for 10 consecutive d ...	2010	20614191
cytotoxicity of hydro-alcoholic extracts of cucurbitapepo and solanum nigrum on hepg2 and ct26 cancer cell lines.	plants are used worldwide for the treatment of diseases, and novel drugs continue to be developed through research from plants. there are more than 20,000 species of plants used in traditional medicines, and these are all potential reservoirs for new drugs. cucurbitapepo has been used in traditional folk medicine to treat cold and alleviate ache. previous pharmacological tests have shown that it possesses antiviral, anti-inflammatory, and analgesic effects. also, solanum nigrum has been used as ...	2010	20931075
antimicrobial nectar inhibits a florally transmitted pathogen of a wild cucurbita pepo (cucurbitaceae).	• premise of the study: floral nectars of many species contain antimicrobial chemicals, but their function in nectar is subject to debate. previously, we have shown that erwinia tracheiphila, the causative agent of bacterial wilt disease in cucurbits, can be transmitted via the floral nectaries. • methods: we used a disk diffusion assay (dda) to determine the antimicrobial effects of nectar from a wild gourd on lawns of escherichia coli and erwinia tracheiphila. we also used e. tracheiphila to i ...	2010	21622472
suppressive effect of pectic polysaccharides from cucurbita pepo l. var. styriaca on citric acid-induced cough reflex in guinea pigs.	several water-soluble pectic polysaccharides were isolated from the pumpkin fruit biomass and characterized by composition, structural features and molecular properties. the pectic polysaccharides were tested for antitussive activity by studying the effects of citric acid-induced cough reflex in guinea pigs and reactivity of the airway smooth muscle in vivo conditions in comparison to the narcotic drug codeine. oral administration of all pectic polysaccharides from pumpkin inhibited the number o ...	2010	21062638
influence of preceding crop on wireworm (coleoptera: elateridae) abundance in the coastal plain of north carolina.	three studies were conducted to determine the effect of preceding crop on wireworm (coleoptera: elateridae) abundance in the coastal plain of north carolina. in all three studies, samples of wireworm populations were taken from the soil by using oat, avena sativa l., baits. treatments were defined by the previous year's crop and were chosen to reflect common crop rotations in the region. across all three studies, eight wireworm species were recovered from the baits: conoderus amplicollis (gyllen ...	2010	21309229
effects of cucumber mosaic virus infection on vector and non-vector herbivores of squash.	plant chemicals mediating interactions with insect herbivores seem a likely target for manipulation by insectvectored plant pathogens. yet, little is currently known about the chemical ecology of insect-vectored diseases or their effects on the ecology of vector and nonvector insects. we recently reported that a widespread plant pathogen, cucumber mosaic virus (cmv), greatly reduces the quality of host-plants (squash) for aphid vectors, but that aphids are nevertheless attracted to the odors of ...	2010	21331245
host range and complete genome sequence of cucurbit chlorotic yellows virus, a new member of the genus crinivirus.	cucurbit chlorotic yellows virus (ccyv) causes chlorotic yellows on cucumber (cucumis sativus) and melon (cucumis melo) and is transmitted by bemisia tabaci biotype b and q whiteflies. to characterize the host range of ccyv, 21 cucurbitaceous and 12 other plant species were inoculated using whitefly vectors. all tested cucumis spp. except cucumis anguria and cucumis zeyheri were systemically infected with ccyv, although infection rates varied among species. citrullus lanatus, cucurbita pepo, and ...	2010	20465411
heat and mass transfer in deep-frying of pumpkin, sweet potato and taro.	heat and mass transfer parameters, effective thermal diffusivity, heat transfer coefficient, effective moisture diffusivity and moisture transfer coefficient-for pumpkin (cucurbita pepo), sweet potato (ipomoea batatas) and taro (colocasia esculenta) under deep-frying conditions were determined by fitting experimental data on transient values of temperature and moisture content to the solution of the standard diffusion equation in cylindrical coordinates as modified by dincer (heat mass transfer ...	2010	23572697
development and characterization of polymorphic microsatellite markers in momordica charantia (cucurbitaceae).		2010	21616876
dieldrin uptake and translocation in plants growing in hydroponic medium.	it has been known that the cucurbitaceae family takes up a large amount of persistent organic pollutants from soils and that the translocation of those compounds in cucurbits is higher than those in non-cucurbits. to understand the persistent organic pollutant uptake mechanisms of plant species, we compared the dieldrin absorption and transportation potentials of several plants in hydroponic medium. sorghum (sorghum vulgare moench), sunflower (helianthus annuus l.), soybean (glycine max), komats ...	2010	20821429
effect of reproductive mode on host plant utilization of melon aphid (hemiptera: aphididae).	variation in the reproductive mode of melon aphid aphis gossypii glover occurred on the large geographic scale, but the performance of different reproductive modes to use host plant is poorly understood. life tables of melon aphid population that undergo the anholocyclic, androcyclic, and intermediate reproductive mode were conducted on different host plants. the results showed that the anholocyclic and androcyclic strains could become adults and produce offspring on cotton gossypium hirsutum l. ...	2010	22182553
dieldrin-dissolving abilities of the xylem saps of several plant families, particularly cucurbita pepo l.	the uptake ability of hydrophobic organic chemicals by plants and the nature of xylem sap of the plants were studied. the plants were grown in soil contaminated with dieldrin. high amounts of dieldrin were detected in the shoots of cucurbita pepo and cucumis sativus, but little was seen in the shoots of brassica oleracea var. italica, solanum lycopersicum, glycine max, zea mays, and helianthus annuus. the xylem saps of c. pepo and c. sativus leached dieldrin adsorbed on c8 granules, but those of ...	2010	20872691
insights into the evolution of mitochondrial genome size from complete sequences of citrullus lanatus and cucurbita pepo (cucurbitaceae).	the mitochondrial genomes of seed plants are unusually large and vary in size by at least an order of magnitude. much of this variation occurs within a single family, the cucurbitaceae, whose genomes range from an estimated 390 to 2,900 kb in size. we sequenced the mitochondrial genomes of citrullus lanatus (watermelon: 379,236 nt) and cucurbita pepo (zucchini: 982,833 nt)--the two smallest characterized cucurbit mitochondrial genomes--and determined their rna editing content. the relatively com ...	2010	20118192
potential for phytoextraction of pcbs from contaminated soils using weeds.	a comprehensive investigation of the potential of twenty-seven different species of weeds to phytoextract polychlorinated biphenyls (pcbs) from contaminated soil was conducted at two field sites (etobicoke and lindsay) in southern ontario, canada. soil concentrations were 31 microg/g and 4.7 microg/g at each site respectively. all species accumulated pcbs in their root and shoot tissues. mean shoot concentrations at the two sites ranged from 0.42 microg/g for chenopodium album to 35 microg/g for ...	2010	20483449
kinetics of prolonged photoinhibition revisited: photoinhibited photosystem ii centres do not protect the active ones against loss of oxygen evolution.	photoinhibition of photosystem ii (psii) in lincomycin-treated leaves begins as a first-order reaction, but fluorescence measurements have suggested that after prolonged illumination, the number of active psii centres stabilizes to 15-20% of control. the stabilization has been interpreted to indicate that photoinhibited psii centres protect the remaining active centres against photoinhibition (lee, hong and chow, planta 212:332-342, 2001). in an attempt to study the mechanism of this protection, ...	2010	19760110
determination of the melon chloroplast and mitochondrial genome sequences reveals that the largest reported mitochondrial genome in plants contains a significant amount of dna having a nuclear origin.	the melon belongs to the cucurbitaceae family, whose economic importance among vegetable crops is second only to solanaceae. the melon has a small genome size (454 mb), which makes it suitable for molecular and genetic studies. despite similar nuclear and chloroplast genome sizes, cucurbits show great variation when their mitochondrial genomes are compared. the melon possesses the largest plant mitochondrial genome, as much as eight times larger than that of other cucurbits.	2011	21854637
xylan-degrading enzymes in male and female flower nectar of cucurbita pepo.	nectar is a very complex mixture of substances. some components (sugars and amino acids) are considered primary alimentary rewards for animals and have been investigated and characterized in numerous species for many years. in contrast, nectar proteins have been the subject of few studies and little is known of their function. only very recently have detailed studies and characterization of nectar proteins been undertaken, and then for only a very few species. this current work represents a firs ...	2011	21813563
predominant effects of host plant species on aphis gossypii aphid and e. pisyrphus balteatus hoverfly in a tritrophic approach.	the aphid aphis gossypii glover (homoptera: aphididae) is known as worldwide important pest. it causes serious injuries to crops, but is also able to feed on various cultivated and wild plants. some programs are developped to control this aphid. in many studies, hoverfy episyrphus balteatus de geer (diptera: syrphidae) is used as an efficient and aphid specific predator in biological control systems. in this work, we study cotton aphid choice plant discrimination, the effect of host plants on it ...	2011	22696952
populations of predators and parasitoids of bemisia tabaci (hemiptera: aleyrodidae) after the application of eight biorational insecticides in vegetable crops.	the sweetpotato whitefly, bemisia tabaci (gennadius) (hemiptera: aleyrodidae), is an important pest of vegetables and many other crops worldwide. eight biorational insecticides (based on oil, plant derivatives, insect growth regulator and fungus) were evaluated in the field for their influence on populations of six natural enemies of b. tabaci. natural populations of two predators [chrysoperla carnea stephen (neuroptera: chrysopidae) and orius spp. (hemiptera: anthocoridae)] and two genera of pa ...	2011	21480463
pollination value of male bees: the specialist bee peponapis pruinosa (apidae) at summer squash (cucurbita pepo).	male bees can be abundant at flowers, particularly floral hosts of those bee species whose females are taxonomic pollen specialists (oligolecty). contributions of male bees to host pollination are rarely studied directly despite their prevalence in a number of pollination guilds, including those of some crop plants. in this study, males of the oligolectic bee, peponapis pruinosa say, were shown to be effective pollinators of summer squash, cucurbita pepo l. seven sequential visits from male p. p ...	2011	22251639
watermelon chlorotic stunt virus (wmcsv): a serious disease threatening watermelon production in jordan.	the incidence of watermelon chlorotic stunt disease and the molecular characterization of the jordanian isolate of watermelon chlorotic stunt virus (wmcsv-[jo]) are described in this study. symptomatic leaf samples obtained from watermelon (citrullus lanatus thunb.), melon (cucumis melo l.), squash (cucurbita pepo), cucumber (cucumis sativus l.), and bottle gourd (lagenaria siceraria) plants were tested for wmcsv-[jo] infection by pcr. the virus could be detected in 8 melon and 87 watermelon sam ...	2011	21399920
occurrence of clostridium perfringens from different cultivated soils.	the occurrence of clostridium perfringens was estimated in 750 samples originated from a variety of soils bearing various bulb crops: brawnica oderacea (vegetable), olea europaea, daucus carota (carote), solanum tuberosum (potato), phaseolus vulgaris (green haricot), beta vulgaris var. rapaceum (beetroot), cucurbita pepo (squash), allium cepa (onion), cucumis sativus (cucumber) and capsicum annum (pepper). all isolated strains were tested for their antimicrobial activities to amoxicillin, penici ...	2011	21621626
was the famous astronomer copernicus also a nephrologist.	nicolaus copernicus (1473-1543), world-famous astronomer, born in toruń, was also a warmian canon (senior priest) and a physician to 4 consecutive prince-bishops of warmia and of other warmian canons. what medical conditions preoccupied nicolaus copernicus and whether they included kidney diseases can only be inferred from the extant prescriptions of copernicus, as no record remains of any treatises by copernicus regarding medicine. while no prescription penned by him is dated, several are trace ...	2011	21614777
zucchini yellow mosaic virus: biological properties, detection procedures and comparison of coat protein gene sequences.	between 2006 and 2010, 5324 samples from at least 34 weed, two cultivated legume and 11 native species were collected from three cucurbit-growing areas in tropical or subtropical western australia. two new alternative hosts of zucchini yellow mosaic virus (zymv) were identified, the australian native cucurbit cucumis maderaspatanus, and the naturalised legume species rhyncosia minima. low-level (0.7%) seed transmission of zymv was found in seedlings grown from seed collected from zucchini (cucur ...	2011	21935626
Performance of Apis mellifera, Bombus impatiens, and Peponapis pruinosa (Hymenoptera: Apidae) as pollinators of pumpkin.	Pollination services of pumpkin, Cucurbita pepo L., provided by the European honey bee, Apis mellifera L., were compared with two native bee species, the common eastern bumble bee, Bombus impatiens (Cresson), and Peponapis pruinosa Say, in New York from 2008 to 2010. Performance of each species was determined by comparing single-visit pollen deposition, percentage of visits that contacted the stigma, flower-handling time, fruit and seed set, and fruit weight per number of visits. Fruit yield fro ...	2011	21882677
microbial diversity inside pumpkins: microhabitat-specific communities display a high antagonistic potential against phytopathogens.	recent and substantial yield losses of styrian oil pumpkin (cucurbita pepo l. subsp. pepo var. styriaca greb.) are primarily caused by the ascomycetous fungus didymella bryoniae but bacterial pathogens are frequently involved as well. the diversity of endophytic microbial communities from seeds (spermosphere), roots (endorhiza), flowers (anthosphere), and fruits (carposphere) of three different pumpkin cultivars was studied to develop a biocontrol strategy. a multiphasic approach combining molec ...	2011	21947430
flow injection assessment of nitrate contents in fresh and cooked fruits and vegetables grown in fiji.	nitrates form part of the essential chemistry of soils and plants. thus, plant roots are able to absorb nitrate directly from the soil. it has been discovered that human nitrate intake is mainly from vegetables. vegetables play an important role in human nutrition since they are an outstanding source for vitamins, minerals, and biologically active compounds. in risk assessment of nitrate contents, this study reports the nitrate levels of 8 commonly consumed fruits and vegetables grown in fiji, t ...	2011	22417577
combining ability of summer-squash lines with different degrees of parthenocarpy and prsv-w resistance.	the aim was to assess heterosis in a set of 16 summer-squash hybrids, and evaluate the combining capacity of the respective parental lines, which differed as to the degree of parthenocarpy and resistance to prsv-w (papaya ringspot virus-watermelon strain). the hybrids were obtained using a partial diallel cross design (4 × 4). the lines of parental group i were 1 = abx-037g-77-03-05-01-01-bulk, 2 = abx-037g-77-03-05-03-10-bulk, 3 = abx-037g-77-03-05-01-04-bulk and 4 = abx-037g-77-03-05-05-01-bul ...	2011	22215966
transcriptome characterization and high throughput ssrs and snps discovery in cucurbita pepo (cucurbitaceae).	cucurbita pepo belongs to the cucurbitaceae family. the "zucchini" types rank among the highest-valued vegetables worldwide, and other c. pepo and related cucurbita spp., are food staples and rich sources of fat and vitamins. a broad range of genomic tools are today available for other cucurbits that have become models for the study of different metabolic processes. however, these tools are still lacking in the cucurbita genus, thus limiting gene discovery and the process of breeding.	2011	21310031
influence of different fertilizer types of zucchini (cucurbita pepo) on the structure of nematode communities.	increasing efficiency of production of vegetable crops is directly related to search for appropriate solution to increase their productivity. organic amendments have been used for centuries to improve soil fertility and crop yield. our study suggests that organic amendments can also be used as nematicidal agents. the survey was conducted on experimental field of department horticulture at agricultural university of plovdiv, bulgaria in 2009 on nematode infested sites. combination with two types ...	2011	22696945
the effects of pruning and nodal adventitious roots on polychlorinated biphenyl uptake by cucurbita pepo grown in field conditions.	two cultivation techniques (i-pruning and ii-nodal adventitious root encouragement) were investigated for their ability to increase pcb phytoextraction by cucurbita pepo ssp pepo cv. howden (pumpkin) plants in situ at a contaminated industrial site in ontario (aroclor 1248, mean soil [pcb] = 5.6 μg g(-1)). pruning was implemented to increase plant biomass close to the root where pcb concentration is known to be highest. this treatment was found to have no effect on final shoot biomass or pcb con ...	2011	21168941
new vitamin e isomers (gamma-tocomonoenol and alpha-tocomonoenol) in seeds, roasted seeds and roasted seed oil from the slovenian pumpkin variety 'slovenska golica'.	the štajerska region in north-eastern slovenia and the styria region in southern austria have a long tradition of growing pumpkins (cucurbita pepo l.) as an oil crop. gc-ms determination of the free and esterified minor compounds in oil of roasted pumpkin seeds from the slovenian c. pepo l. variety 'slovenska golica' revealed the presence of two previously unreported compounds: alpha-tocomonoenol and gamma-tocomonoenol. using the gc-ms data, reference samples (crude palm oil) and tocopherol and ...	2011	25212163