Division of Agricultural Chemicals, Indian Agricultural Research Institute, New Delhi-110 012, India.
Online published on 31 October, 2011.
Azadirachtin-A content and bioefficacy of neem fruit extracts obtained from the Eastern, Western, Northern and Southern sides of three marked trees at different stages of fruiting revealed no significant effect of the sampling direction on aza-A content as well as the growth and feeding inihibitory activity against Spodoptera litura. Betweee the sampling intervals, differences were significant.
Azadirachtin-A, tree direction, neem, growth inhibition, feeding inhibition, Spodoptera litura.
