Abstract
A field experiment which was conducted during rabi, 2016-17 and 2017-18 in the wetland farm of S.V. Agricultural College, Tirupati to evaluate the efficacy of certain insecticides against rice leaf folder in paddy variety, BPT-5204 revealed that, all the tested ten insecticides had significantly affected the larvae of C. medinalis and reduced the leaf damage over untreated control. The chlorantraniliprole proved as the most effective insecticide with the percentage of leaf damage as 4.95 followed by flubendiamide and monocrotophos with the damage percentage of 5.44 and 5.53. The least effective insecticides were cartap hydrochloride 4 G (7.39%) followed by cartap hydrochloride 50 SP (7.33%) and acephate (7.19%) against paddy leaf folder damage.
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