نتایج جستجو برای: vitis vinifera l
تعداد نتایج: 620680 فیلتر نتایج به سال:
Plants can maintain growth and reproductive success by sensing changes in the environment and reacting through mechanisms at molecular, cellular, physiological, and developmental levels. Each stress condition prompts a unique response although some overlap between the reactions to abiotic stress (drought, heat, cold, salt or high light) and to biotic stress (pathogens) does occur. A common feat...
This review provides an overview of recent technological advancements that enable precision breeding to genetically improve elite cultivars of grapevine (Vitis vinifera L.). Precision breeding, previously termed "cisgenic" or "intragenic" genetic improvement, necessitates a better understanding and use of genomic resources now becoming accessible. Although it is now a relatively simple task to ...
The resistance of wild Vitis germplasm, including Chinese and American wild Vitis and Vitis vinifera cultivars, to powdery mildew (Uncinula necator Burr.) was evaluated for two consecutive years under natural conditions. Most of the Chinese and North American species displayed a resistant phenotype, whereas all of the European species were highly susceptible. The Alachua and Conquistador access...
The main objective of this study was to explore the suitability of Vitis vinifera as a raw material and alkaline lignin as a natural binder for fiberboard manufacturing. In the first step, Vitis vinifera was steamexploded through a thermo-mechanical vapor process in a batch reactor, and the obtained pulp was dried, ground, and pressed to produce the boards. The effects of pretreatment factors a...
این پژوهش بهمنظور تعیین نیاز سرمایی و گرمایی انگور رقمهای رطبی، سیاه شیراز و یاقوتی انجام شد. همچنین تغییر کربوهیدراتها و هورمونهای درونی در رقم یاقوتی سیاه در دورۀ سرمادهی بررسی شد. بدین منظور، قلمههای یکاندازه (30 سانتی متر) بیدرنگ پس از خزانبرگها در پاییز جمعآوری شدند. سرمادهی شامل 0 (شاهد)، 100، 200، 300، 400 و 500 ساعت در دمای 2 درجۀ سلسیوس بودند. سپس، قلمهها در آبمقطر و در شرا...
introduction: our previous studies showed that hydroalcoholic extract of leaf of vitis vinifera relaxes the phenylephrine-induced contraction in rat thoracic aorta. this effect was dependent on endothelial integrity and no-cgmp system. the vasorelaxant effect of extract was much lesser on kcl-induced contraction. we, therefore, postulated that k+ channels are involved. the main aim of the prese...
A família Vitaceae é constituída por cerca de 15 gêneros e 850 espécies. Ocorre tanto em regiões temperadas como tropicais. Sendo conhecida ter o gênero introduzido cultivado no Brasil para a produção vinho, sucos frutas, podendo citar-se espécie V. Vinifera L. nesses usos. Vitis vinífera, nosso objeto estudo, forma comum uva, empregada na medica popular diferentes doenças cardiovasculares, pos...
Polyphenolic profiles in the berry samples of 344 European grape (Vitis vinifera) cultivars were evaluated for two consecutive years. These cultivars represent a diverse collection of V. vinifera germplasm maintained at the USDA-Agricultural Research Service Vitis Clonal Repository in Davis of California, USA. A total of 36 polyphenolic compounds, including 16 anthocyanins, 6 flavonols, 6 flava...
ABSTARCT Grape (Vitis vinifera) seed extract found to be exhibits wide range of beneficial effects insights to screen the potential compounds which includes polyphenolic compounds both flavonoids and non-flavonoids that show antioxidant effects. In this present study phytochemical screening of alkaloids, flavonoids, glycosides, polyphenol and flavonoids, tannins, and sterols were presented in t...
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