Reaction of Soybean Cultivars to Leaf Folders, Nacoleia Spp. (Lepidoptera: Pyralidae) under Mid Hill Conditions of Darjeeling, India

An experiment was conducted during rainy (kharif) season of 2008-09 to evaluate the reaction of 12 soybean cultivars to leaf folders, Nacoleia spp. at Kalimpong, West Bengal, India. Only two cultivars namely, JS(SH)89-2 and JS(SH)89-49 were categorized as least susceptible with less than 10 per cent leaf infestation. Three cultivars viz. JS-80-21, PK-1137 and NRC-24 were found highly susceptible to leaf folders with more than 30 per cent leaf infestation.