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Development of a Polyvoltine Breed - BL67 (Pg) of the Silkworm, Bombyx mori L. with Parthenogenetic Origin

S. B. Dandin|Ravindra Singh|D. Raghavendra Rao|B. K. Kariappa|Debnirmalya Gangopadhyay|Nazia Choudhary
한국잠사학회 (Korean Society Of Sericultural Science)|2004.09|International Journal of Industrial Entomology and Biomaterials|제9권 제1호|pp. 41-46

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Abstract

A breeding programme was initiated by utilizing a robust bivoltine breed CSR18 and a polyvoltine breed Cambodge with the main objective of developing robust polyvoltine silkworm breeds/hybrids. At F1 and F2, parthenogenetic development was induced following warm water treatment of eggs at 46oC for 18 min followed by two backcrosses with Bl67, an evolved polyvoltine breed. The newly developed breed was subjected for hybrid study using eight hybrid combinations in the laboratory at F8 generation. F1 hybrids between newly developed breed Bl67 (Pg) and promising bivoltine breeds exhibited their superiority by expressing significant hybrid vigour for several economic characters like cocoon yield/10,000 larvae, cocoon weight, cocoon shell weight, cocoon shell ratio and denier. Study on cocoon shape variability revealed that cocoons of all the F1 hybrids except BL67 (Pg) × NB4D2 were found comparatively uniform in shape.

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관련 논문AI추천

Development of a Robust Polyvoltine Breed “NP1 ” of the Mulberry Silkworm, Bombyx mori L.B. K. Kariappa, D. Raghavendra Rao, H. K. Basavaraja, K. Chandrashekaran, Ravindra Singh, S. B. Dandin, S. D. Sharma한국잠사학회 · International Journal of Industrial Entomology and Biomaterials2006 · 제12권 제1호An Improved Method of Parthenogenetic Development and Analysis of Combining Ability in Bivoltine Breeds of the Silkworm, Bombyx mori L.D. Gangopadhyay, Ravindra Singh한국잠사학회 · International Journal of Industrial Entomology and Biomaterials2006 · 제13권 제2호Identification of Superior Polyvoltine Hybrids (polyvoltine x bivoltine), of Silkworm, Bombyx mori L.C. G. P. Rao, Chandrashekharaiah, C. Ramesh, H. Nagaraju, K. Ibrahim Basha, S. V. Seshagiri한국잠사학회 · International Journal of Industrial Entomology and Biomaterials2004 · 제8권 제1호Studies on Parthenogenetic Development,Hybrid Vigour and Cocoon Shape Variability in Bivoltine F1 Hybrids of the Silkworm,Bombyx mori L.B.K.Kariappa, D.RaghavendraRao, PrabhatiSanyal, RavindraSingh, V.Premalatha한국잠사학회 · International Journal of Industrial Entomology and Biomaterials2002 · 제5권 제1호Parthenogenesis in silkworm, Bombyx mori L.B. K. Kariappa, Debnirmalya Gangopadhyay, Ravindra Singh, S. B. Dandin한국잠사학회 · International Journal of Industrial Entomology and Biomaterials2005 · 제10권 제1호Breeding of Bivoltine Breeds of Bombyx mori L Suitable for Variable Climatic Conditions of the TropicsN. B. Kar, S. K. Das, S. M. Moorthy, S. Raje Urs한국잠사학회 · International Journal of Industrial Entomology and Biomaterials2007 · 제14권 제2호

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