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Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology)  2006, Vol. 7 Issue (3 ): 8-    DOI: 10.1631/jzus.2006.B0215
    
Evaluation of genetic potential of the polyvoltine silkworm (Bombyx mori L.) germplasm and identification of parents for breeding programme
Rao C.G.P., Seshagiri S.V., Ramesh C., Ibrahim Basha K., Nagaraju H., Chandrashekaraiah
Andhra Pradesh State Sericulture Research and Development, Institute APSSRDI, Kirikera, Hindupur-515 211, India
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Abstract  In the present study, polyvoltine germplasm stock of Andhra Pradesh State Sericulture Research and Development, Institute (APSSRDI) was evaluated for its performance based on quantitative and qualitative traits. Twenty-one oval and 10 peanut cocoon shaped lines were reared in different seasons of the year. Since the polyvoltines are non-diapausing, six generations were reared and evaluated for various economically important traits based on evaluation index and sub-ordinate function statistical methods. Ten top ranked lines obtained by using both the methods were identified as potential parental strains. Among oval lines, APM14, APM11, APM18, APMW9, and APM19, and among peanut lines APMD5, APMD1, APMD3, APMD9 and APMD8 were selected as base material. The identified high yielding lines will be used in various breeding programmes as initial parents for the synthesis of superior polyvoltine breeds/hybrids.

Key wordsPolyvoltine      Silkworm      Germplasm      Performance      Evaluation     
Received: 22 July 2005     
CLC:  S88  
Cite this article:

Rao C.G.P., Seshagiri S.V., Ramesh C., Ibrahim Basha K., Nagaraju H., Chandrashekaraiah. Evaluation of genetic potential of the polyvoltine silkworm (Bombyx mori L.) germplasm and identification of parents for breeding programme. Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2006, 7(3 ): 8-.

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http://www.zjujournals.com/xueshu/zjus-b/10.1631/jzus.2006.B0215     OR     http://www.zjujournals.com/xueshu/zjus-b/Y2006/V7/I3 /8

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