تقييم حساسية أصناف مختلفة من الطماطة للإصابة بمرض تجعد و التفاف أوراق الطماطة الأصفر TYLCV و إمكانية مكافحة الناقل الحشري احيائيًا

الملخص EN

This study was conducted at the College of Agriculture University of Basrah and labrotories of General Association of plant protection Abu- Graib (IPA center) the aim was to evaluate the sucebtibilty of different Tomato cultivars to infection by TYLCV and biological control of the vector.

Sucebtibity experiment of Tomato cultivars showed that Ps-588956 and Hatouf-Ps-589556 were high tolerant to the infection as they did not show any symptoms while moderate symptoms was appered on E-448, Asco Fifa and Jackel (E 438) cultivars on the other hand biological control of Bemisa tabaci (The main vector of the virus) reveald that spore suspension and culture filtrate of the fungus : Beauveria bassiana showed high activity for reducing the number of different insect instar.

Culture filtrate was more effective or eggs.

Mortality of eggs reached 77.5% compared to 73% for spore suspension on the same miner culture filtrate was more effective on lumph compared with spore suspension.