Evaluation of management practices against late blight disease of potato and their adoption by the farmers.

摘要

Potato is one of the basic vegetable of mass consumption in India. It is prone to many diseases, but the incidence and severity of late blight caused by a fungus Phytophthora infestans is high in Burdwan district of West Bengal. Therefore, an experiment as on farm trial was conducted with three treatments (T₁, T₂ and T₃) in randomized block design with seven replications during rabi season of 2006-07. The research results showed that seed tuber treatment with mancozeb followed by soil application of Trichoderma viridae at the time of earthing up and two foliar spray of mancozeb after initial appearance of disease symptoms with interval of 15 days (T₃) performed better to manage the disease as was also high. It was further found that 76.66% of farmers adopted the technology in subsequent years.