Ecofriendly management of sugarcane top borer, Scripophaga excerptalis walker with an egg parasitoid, Trichogramma japonicum in western Uttar Pradesh

Abstract

Trichogramma japonicum against sugarcane top borer, Scirpophaga excerptalis wlk. was studied specially top borer 3rd brood in the experimental plot of sugarcane research center farm SRC, Muzaffarnagar during crop season, 2017-19 with Co 0118 variety. Among six treatments T.japonicum @50000 parasitized egg/ha showed superior result causing significant reduction in infestation of target pest in top borer 3rd brood infestation, respectively as compared to control pot, other treatments of T. japonicum also gave significant result over control, Percent incidence of S.excerptalis showed negative correlation with increase in number of T.japonicum, which indicates that it may be successfully utilized for the suppression of top borer under Western Uttar Pradesh condition.