Although leaf of Vitis vinifera (Vitaceae) has been used in traditional medicine to treat diarrhea, but no clinical and experimental studies have been conducted on its effects on the uterus. It has previously been reported that Vitis vinifera leaf extract reduces the ileum contractions induced by KCl and acetylcholine. The aim of the present study was to investigate the effect of Vitis vinifera...

Controlling crown gall in grapevine ( Vitis vinifera L.) caused by the pathogenic bacterium Allorhizobium vitis is a major challenge for global viticulture, as this pathogen highly persistent vineyards once infected. The bacteria can enter plant through open wounds during pruning and then systemically colonize plant. This study aimed at evaluating potential of Paraburkholderia phytofirmans PsJN...

Non-tumorigenic Rhizobium (syn. Agrobacterium) vitis strain ARK-1 (ARK-1) has been shown to reduce crown gall in grapevine (Vitis vinifera) seedlings when co-inoculated with Japanese tumorigenic isolates of R. vitis. The objectives this study were test ARK-1's efficacy as a biological control agent against isolated from grapevines Virginia, and examine genetic diversity found USA Japan. was int...

Understanding the interactions between pathogen, crop and vector are necessary for the development of disease control practices of vector-borne pathogens. For instance, resistant plant genotypes can help constrain disease symptoms due to infections and limit pathogen spread by vectors. On the other hand, genotypes susceptible to infection may increase pathogen spread owing to their greater path...

Using conventional methods it is impossible to extract RNA as uncomplexed intact molecules from the leaves of grapevines (Vitis vinifera L.) and from a number of woody perennial species that contain high levels of reactive phenolic compounds. A procedure involving the use of high concentrations of the chaotropic agent sodium perchlorate prevents the binding of phenolic compounds to RNA during e...

Although they are important components of forest communities, the general ecology and spatiotemporal patterns of temperate lianas during forest regeneration are largely unknown. The dependence of lianas on other plants for physical support makes them a potentially important driver of community dynamics. We examined 50 years of vegetation data from an old-field succession study to determine the ...

The Aqueous Extract of Vitis vinifera leaves was investigated for its effect on some immunoglobulin in induced hyperthroidism rabbits . The equeous extract of leaves at does level of 100 mg ml showed significant increase ( p<0,05) on level of IgG and significant decrease ( p < 0.05) on level of IgA , IgM to normal level .

BACKGROUND AND AIMS Grapevines growing in Australia are often exposed to very high temperatures and the question of how the gas exchange processes adjust to these conditions is not well understood. The aim was to develop a model of photosynthesis and transpiration in relation to temperature to quantify the impact of the growing conditions on vine performance. METHODOLOGY Leaf gas exchange was...