نتایج جستجو برای: vine leaves and grape clusters
تعداد نتایج: 16853590 فیلتر نتایج به سال:
The aim of this study was to assess the influence application mycorrhizal fungal inoculum on “Cabernet Sauvignon” (Vitis vinifera L.) leaf gas exchange, yield parameters, as well grape berry composition, especially regarding phenolic compounds. experiment conducted over two years under natural vineyard conditions Zagreb wine-growing area, continental region Croatia. grapevines were grafted SO4 ...
OBJECTIVE Grape virus diseases are a serious problem in Iran. Leaves and fruits of grape have been used for different purposes like cooking in Iran. The present investigation was carried out to study on the cytotoxic-activities of extracts of fruits and leaves of Vitis vinifera from both virus-free and virus-infected grape cultivars against breast cancer cell line (MDAMB- 231) and human embryon...
Abstract Grape powdery mildew caused by Erysiphe ne ca tor is a limiting factor in grape production. In order to develop effective management strategies, the factors influencing survival of fungus need be identified and characterized accordingly. For this purpose, we focused on effect weather conditions during overwintering viability ascospores. spring 2017 2018, leaf litter bark samples were c...
Grape root borer, Vitacea polistiformis (Harris), is an oligophagous and potentially destructive pest of grape in commercial vineyards throughout much of the eastern United States. Larvae feed on vine roots, although little is known about their below-ground interactions with host plants. The behavioral response of groups of grape root borer neonates to stimuli from host and nonhost roots was ev...
Th e infl uence of partial defoliation performed at diff erent grapevine growth stages on yield components, vegetative growth and fruit composition of ‘Istrian Malvasia’ (‘Malvazija istarska’) vines was investigated. During two consecutive seasons partial defoliation was performed manually at three grapevine growth stages; before bloom (BB), aft er bloom (AB), and at the beginning of bunch clos...
Plant protection based on novel alternative strategies is a major concern in agriculture to sustain pest management. The marc extract of red grape cultivars reveals plant defence inducer properties. Treatment with grape marc extract efficiently induced hypersensitive reaction-like lesions with cell death evidenced by Evans Blue staining of tobacco leaves. Examination of the infiltration zone an...
abstract large-scale mortality of in vitro raisedplantlets occurred during acclimatization, i.e. glasshouse hardening, and later at field transfer still has remained as a significant bottleneck in micropropagation. the usefulness potential of some arbuscular mycorrhizal fungi (amf) to minimize mortality rate of three commercial grape rootstock genotypes during glasshouse acclimatization was stu...
The effect of postharvest UV-C irradiation on phenolic compounds accumulation was investigated in berries of ‘Rishbaba’ table grape (Vitis vinifera cv. Rishbaba). Grape clusters were harvested at mature stage and irradiated with UV-C using fluorescent germicidal lamp (30 W, 90 cm) with a peak emission at 254 nm for 0 (control), 5 and 10 min. UV-C treatment had significant effect on individual p...
Grape is one of the oldest plants used by man. It has a special taste and in great demand around world. mainly food industry, by-products winemaking are actively cosmetic pharmaceutical industries, due to its composition. production wastes - components vine suitable for further use extraction valuable biologically active substances increase competitiveness primary secondary winemaking. The poss...
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