Author: K.M. VIJAYA KUMARI, M. BALAVENKATASUBBAIAH, R.K. RAJAN, M.T. HIMANTHARAJ, E. NATARAJU AND M. REKHA,
p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 88, Issue: jan-mar,
The rearing of newly evolved productive bivoltine hybrid (CSR 2 CSR 5) was conducted with different leaf maturity (50, 65, 80, 90 days after pruning) during fifth instar. The rearing performance and the incidence of diseases were studied under optimum rearing conditions as well as in the presence of 1% infextious source of flacherie and grasserie. The results revealed that the cocoon characters were significantly improved, diseases incidence and spread of diseases were minimised in leaf fed wtih 65 days matured leaf.
Keywords: Cocoon characters, Disease incidence.Disease spread, Flacherie. Grasserie, Leaf maturity.
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