Abstract
The field trial conducted to evaluate the effect of weather parameters on incidence and abundance of rice leaf folder revealed that leaf damage due to leaf folder (LDLF) had positive correlation with temperature (both minimum and maximum), morning humidity and sunshine hours i. e. r = 0.180, 0.196, 0.338 and 0.483*, while negative correlation with evening humidity (r = -0.048), wind speed (r = -0.096), rainfall (r = -0.144) and no. of rainy days (r = -0.071). The climatic factors together were able to explain the variation in LDLF (%) during experimental period to the extent of 76.30 per cent the coefficient of determination (R2) was found to be significant i.e. 0.7630.
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