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Journal of Applied Sciences
Year: 2010  |  Volume: 10  |  Issue: 17  |  Page No.: 1902 - 1909

Breeding Perspective for Silk Yield and Quality in Indian Tropical Tasar Silkworm, Antheraea mylitta Drury (Lepidoptera: Saturniidae)

R. Manohar Reddy, M.K. Sinha and B.C. Prasad    

Abstract: Though, India enjoys the availability and practice of mulberry, tasar (tropical/temperate), eri and muga silks, the utilization of tropical tasar seri-biodiversity, however requires appropriate breeding methods so to exploit the global demand of this vanya silk, besides reforming tribals, weaker sections and landless rural populace on economic front. Among the existing forty four ecoraces of Antheraea mylitta Drury, only Daba and Sukinda are commercially applied for cocoon production and want is in situ conservation and ex situ stabilization of additional ecoraces, particularly the Shorea robusta (sal) based, as amenable parental base for hybridization and silk production. The breeding for disease and adversity resistance, correlation among the trait(s) of commercial value as the tasar silkworm being an eco-insect reared outdoor and exploring the biotechnological tools for transgenic application appears pragmatic and worth. The management of genotype and environment interaction through multilocational breeding stations irrespective of rearing seasons applying compatible ecorace; breed or line(s) and involving the beneficiaries for their indigenous knowledge along with trained breeders is the indispensable strategy to achieve the tasar raw silk productivity and quality. The review has dealt with feasible breeding scenario of tasar silkworm in attaining the qualitative yield for the commercial sustenance of tropical tasarculture.

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