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.
Nacoleia spp, Soybean, Varietal reaction