Madras Agricultural Journal
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Silk Productivity and Yield Related Characters of Selected Pure Races of Mulberry silkworm, Bombyx mori L.

Abstract

                                Experiment was conducted to study the cocoon, biological and yield related characters of selected pure races of Bombyx mori L. Among the multivoltine races, significantly higher cocoon, biological and yield related characters were observed in AGL3 and low in Pure Mysore. Among the bivoltine races, significantly higher characters were observed in CSR2 and low in NN6D. The silk productivity had significant positive correlation with the cocoon and yield related characters whereas fifth instar larval duration, cocoon length and breadth ratio, and renditta were negatively correlated, among all the 10 pure races tested.

Key words : Bombyx mori, races, silk productivity

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