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Showing 1 to 20 of 25 for “"cucurbita pepo"”.
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Identification of watermelon mosaic virus in pumpkin (Cucurbita pepo L.) in Virginia
Pumpkin plants (Cucurbita pepo L. 'Howden') with severely deformed leaves and fruits showing tumour-like protrusions and warty nodules were observed in a field in Carroll County, southwestern Virginia. In addition to deformity, the leaves exhibited puckered mosaic patternings. Mechanical …
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Delta-7-Sterole und Delta-7-Sterolglykoside aus Samen von Cucurbita pepo L.
… Dickextrakt von Samen des Arzneikürbis Cucurbita pepo L. wurden Sterole und Sterolglykoside durch Soxhlet-Extraktion und Festphasenextraktion isoliert. Mittels GC-MS und NMR-Spektroskopie konnten die Strukturen von fünf Delta-7-Sterolen aufgeklärt werden. Durch enzymatische Hydrolyse von …
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Weed Control in Cucumber Cucumis sativus, Pumpkin Cucurbita maxima, and Summer Squash Cucurbita pepo with Halosulfuron
Cucumber (Cucumis sativus L.), pumpkin (Cucurbita maxima Duch. ex Lam.), and summer squash (Cucurbita pepo L.) are economically important crops in Virginia. Only a few herbicides are registered for weed control in these crops. Halosulfuron is a sulfonylurea herbicide which controls several …
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COMPARATIVE BIOCHEMICAL AND GENETIC STUDIES OF TESTA DEVELOPMENT IN NORMAL AND HULL-LESS PHENOTYPES OF PUMPKIN (CUCURBITA PEPO L)
… condition in testae of seeds of pumpkin (Cucurbita pepo L.). During seed development, testa moisture declined substantially (30%) in both phenotypes, whereas testa dry and fresh weights increased dramatically between 10 to 20 days post-anthesis and then declined steadily until seeds …
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Investigating Nectar Rhythms in Squash (<em>Cucurbita pepo</em>): Effects on Honey Bee (<em>Apis mellifera</em>) Foraging Behavior.
<p>Experiments were performed to investigate the influence of water availability on the diel patterns of nectar secretion (volume, concentration, sugar production) in male squash flowers as well as to discover what physical component of nectar honey bees use to trigger their time-memory. Squash …
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Effect of pumpkin seed (cucurbita pepo) protein isolate on the antioxidant enzymes in ccl4-induced liver injury in low-protein fed rats
The effect of pumpkin seed (Cucurbita pepo) protein isolate on the activity levels of lactate dehydrogenase (LD), alanine transaminase (ALT), aspartate transaminase (AST) and alkaline phosphatase (ALP) against carbon tetrachloride (CCU)-induced acute liver injury in low-protein fed rats were …
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Perimeter Cropping As a Means of Reducing Insect Injury and Increasing Crop Yield
<p>The squash vine borer, <em>Melittia cucurbita</em>e Harris, (Lepidoptera: Sesiidae) is a destructive insect known to injure a broad range of cucurbit crops. Many studies have focused on insecticide management of this insect in squash (<em>Cucurbita</em>) and pumpkin (<em>Cucurbita pepo</em> …
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Dinámica poblacional de arvenses en el cultivo del pipian (Cucurbita pepo L.) producido bajo un sistema de manejo orgánico y un sistema de manejo convencional, en Tipitapa, Masaya 2007
Actualmente, el manejo de arvenses en las Cucurbitaceae es a base de herbicidas, repercutiendo en serios problemas al ambiente y al hombr e. En la finca experimental El Plantel, ubicado en el km 43 ½ carretera Tipitapa – Masaya, se estableció un estudio con el objetivo de conocer la dinámica …
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Evaluacion de bicarbonato de sodio, caldo vizosa y caldo bordeles en el control de la cenicilla (Erysiphe cichoracearum DC) en el cultivo de pipian (Cucurbita pepo L.), en Apacunca, Chinandega
El pipián ( Cucurbita pepo.) tiene su origen en el continente americano, por lo que la diversidad genética presente en el continente ha permitido muchas denominaciones populares. El trabajo de investigación se llevó a cabo en la Reserva de Recursos Genéticos de Apacunca, en la comunidad de …
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Efecto de cultivos en asocio Pepino (Cucumis sativus L.), Pipian (Cucurbita pepo L.) y frijol de vara (Vigna unguiculata L. walp), en la ocurrencia poblacional de insectos plagas, beneficos y el rendimiento en Tisma, Masaya
El presente estudio se realizó con el objetivo de comparar el efecto que tiene el sistema en asocio de cultivos sobre la ocurrencia poblacional de insectos plagas, benéficos y el uso equivalente de la tierra. El estudio se estableció en la finca “Berlín”, ubicada en el municipio de Tisma-Masaya, en …
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Influencia de la aplicación de bocashi y lombriabono en el rendimiento de calabacin (Cucurbita pepo L.), espinaca (Spinacia oleracea L.), lechuga (Lactuca sativa L.) y remolacha (Beta vulgaris L.), bajo el método de cultivo bíointensivo, San Ignacio, Chalatenango.
… en el rendimiento de los cultivos calabacín (Cucurbita pepo L.), espinaca (Spinacia oleracea L.), lechuga (Lactuca sativa L.), remolacha (Beta vulgaris L.), manejándolos con el método de cultivo biointensivo, que es una forma de agricultura orgánica a pequeña escala, cuyo propósito es …
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Effect of Cropping Systems on Production and Economic Returns of Ten Vegetable Crops
… group, L. cv. Snow Crown), summer squash (Cucurbita pepo cv. Zucchini Elite), and broccoli (Brassica oleracea Botrytis group, L. cv. Green Comet) were used with the double-crop system. The monocrop system was used as a control for the intercrop and double-crop systems. The experiments were …
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The Use of Buckwheat Border Habitats to Attract Natural Enemies of Cucumber Beetles in a Cucurbit Agroecosystem
… Order Hymenoptera. In 1995-1996, rows of squash, Cucurbita pepo (L.) var. melopepo (Alef.) ‘Seneca Prolific’, and cucumbers, Cucumis sativa (L.) ‘Arkansas Littleleaf’, were planted perpendicular to floral border habitats. Sticky traps and modified Malaise traps on transects at intervals from the …
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Identification of fungal species causing powdery mildew on cucurbits, determination of the genetic and pathogenic variations of the fungi and their sensitivity to major powdery mildew fungicides
Cucurbit species are members of the family Cucurbitaceae. Major cucurbit species grown in Illinois are Cucumis sativus (cucumber), Lagenaria sicerarias (gourd), C. melo (muskmelon), Cucurbita pepo (pumpkin), C. maxima and C. moschata (squash), and Citrullus lanatus (watermelon). Powdery mildew is …
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SUBSURFACE DRIP IRRIGATION AND UREA PHOSPHATE USE IN VEGETABLES ON CALCAREOUS SOILS.
… Arizona. Crops grown were zucchini squash (Cucurbita pepo L.) 1982 and 1983 summers, and cabbage (Brassica oleracea var. capitata L.), 1982 fall. Furrows received a preplant application of phosphorus (P) at a rate of 100 kg P₂O₅/ha. Urea phosphate (UP) (17-44-0) solution was injected twice …
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Characterization, development of a field inoculation method, and fungicide sensitivity screening of the Pythium blight pathogen of snap bean (Phaseolus vulgaris L.)
… in Georgia and on common bean and squash (Cucurbita pepo L.); as well as the first report of P. catenulatum on lima bean (Phaseolus lunatus L.) and in New Jersey. Fungicide labeling and cultivar selection for Pythium blight management is hindered by difficulties associated with conducting …
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Non-chemical methods for managing bacterial spot of cucurbits caused by Xanthomonas cucurbitae
Bacterial spot, caused by Xanthomonas cucurbitae, is an emerging and important disease of cucurbits worldwide. Studies were conducted to evaluate the effectiveness of biocontrol agents for managing bacterial spot, screen cucurbit cultivars and accessions for resistance to X. cucurbitae, and …
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Compost effects on plectosporium blight
… a compact variety of 'Black Beauty' zucchini (Cucurbita pepo) was transplanted into 24.3-liter pots that were amended with six replicates of sterilized and unsterilized treatments of plant, animal, and worm source composts. After establishing in the treated pots for two weeks, the plants were …
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