Efficacy of somepromising botanicals and the synergists were compared to the commonly usedchemical dichlorvos (76EC) against jassid Empoasca flavescens F.infesting mulberry as well as their biosafety to natural enemies. Among thebotanicals, sole application of neem oil (3%), FORS (2%) and pongamia oil (3%)recorded 48.73, 46.88 and 42.49% reduction in jassid population respectively,whereas the NSKE (5%) exhibited least among all (33.59% at 1 DAS).Thesynergistic effect of neem oil and FORS recorded the best, 72.64% reduction followedby Pongamia oil + FORS (62.81%) and neem oil + pongamia oil (60.16%). Thoughdichlorvos was effective than all treatments (88.57% reduction) the chemicalalso eliminated more than 90% population of predatory coccinellids and spidersbut the botanicals found relatively safer. Hence, the combination of neem oil (3%)with fish oil rosin soap (2%) could be used as an alternate to dichlorvos tomanage jassid menace in mulberry as well as to conserve the natural enemies.
How to cite this article:
Sakthivel,N., Balakrishna, R., Ravikumar, J., Samuthiravelu, P., Isaiarasu, L. and Qadri,S. M. H. 2012. Efficacy of botanicals against jassid Empoasca flavescens F. (Homoptera:Cicadellidae) on mulberry and their biosafety to natural enemies. Journal ofBiopesticides, 15(0):246-249.
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