Effect of bed disinfectants on cocoon characters of mulberry Silkworm in Assam condition

Present experiment was conducted to study the impact of three bed disinfectants and their combinations on mulberry silkworm double hybrid race, (CSR6 × CSR26) × (CSR2 × CSR27) reared on S1635 variety. Mulberry silkworm treated with bed disinfectant ankush showed significantly higher result in terms of cocoon yield (89.167%), cocoon weight (1.811 g), shell weight (0.434 g), pupal weight (1.377 g) and shell ratio (23.941%) in comparison to sericillin, turmeric rhizome powder and their combinations while lower values were recorded in control batch. Among the two seasons, cocoon yield and the other cocoon parameters were better in late spring season.