Sunflower is one of the major oil crops in world. Diseases such as sunflower downy mildew (Plasmopara halstedii (Farl.) Berl. et de Toni) constitute a significant risk factor during production. Integrated pest management (IPM) considered an essential tool against mildew; however, pathogen variability repeatedly affects efficacy control measures. This article evaluates some vital elements diseas...

Downy mildew is a major disease that severely restricts the healthy and sustainable development of global grape wine industry, so there significant interest in breeding high-quality disease-resistant varieties. In this study, hybridization was carried out between two four varieties for eight hybrid combinations. The downy resistance 6 parents 350 F1 progeny determined by leaf disc inoculation t...

Studies were carried out by the grapevine berries sprayed with copper hydroxide (Kocide 3000) to assess its quality in terms of reducing sugars, non reducing sugars, total sugars and acidity. The total, reducing and non reducing sugars were higher in the grapevine berries sprayed with Copper hydroxide comparing with that of control plots. Fruit quality was improved in Copper hydroxide (Kocide 3...