Validations of pheromone trap designs for the management of brinjal shoot and fruit borer, Leucinodes orbonalis (Crambidae: Lepidoptera)
The brinjal shoot and fruit borer, Leucinodes orbonalis is the most noxious and destructive pest of brinjal and widely distributed in South Asian countries. The yield loss up to 80% was recorded in brinjal cultivation by the infestation of L. orbonalis. Two different studies were conducted in farmer’s field at Tuticorin, Tamil Nadu, India during Rabi 2017 to evaluate the efficacy of 1) Trap designs 2) Trap errection height. The comparison made on moth retention pattern of commercial Traps and indigenous bottle trap, indicated a significantly different between trap designs. Maximum mean number of moth catches was recorded in Indigenous bottle trap (1.937 moths/ day/ trap). Among the trap heights tested, trap placed at crop canopy level attracted maximum moths (3.54 moths/3 trap/day). Trap moth catch was superior in indigenous trap placed at crop canopy level.
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