Combination between Benzothiadiazole and Trichoderma Viride to Control Chocolate Spot Disease of Faba Bean and Their Effects on some Biochemical Characters

Document Type : Original Article

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Dept.of Pesticides Chem. and Tech. Faculty of Agri, Alexandria Uni, Egypt.

Abstract

Faba bean is a food plant in many countries in the world. Botrytis fabae is a fungus caused chocolate spot disease in faba bean . In this work , two concentrations of benzothiadiazole ( 0.3 and 0.5 mM ) and suspensions of Trichoderma viride prepared in two concentrations ( 1 × 107  and 2 × 107 spore/ml ) . The concentrations of benzothiadiazole and Trichoderma viride used alone and in combination to control chocolate spot disease in faba bean . Application of benzothiadiazole and Trichoderma viride reduced chocolate spot disease when used alone or in combination as foliar treatment . Total chlorophyll content and flavonoids content were increased when benzothiadiazole and Trichoderma viride used in treated plants compared to the infected control and up to plants treated with Tridex 80 % wp .
 

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