Effect of Fungicides on Phyllactinia Corylea Conidial Germination and on Silkworm Bombyx Mori L.

Effect of fungicides on conidial germination of powdery mildew Phyllactinia corylea when studied under in vitro conditions revealed that the maximum (9.85%) inhibition was recorded with thiovit (0.20%) followed by dinocap and mancozeb. The maximum mortality (64.9%) was recorded in dinocap followed by mancozeb and thiovit. Fungicides immediately 1 day after spraying (DAS) affected the III instar of Bombyx mori compared to IV and V larvae. From 3 DAS onwards the toxic effect was not observed.