The study on the “Effect of medicinal plant extract treatment on BmNPV polyhedra was undertaken in the Department of Sericulture UAS, GKVK, Bangalore-65. The treated polyhedral bodies with aqueous extracts of different medicinal plants viz., Adathoda vasica, Bougainvillea spectabilis, Phyllanthus niruri, Terminalia arjuna and Pongamia glabra administered to silkworm through mulberry leaves once...