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KMID : 1041220060480020037
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Journal of Sericultural and Entomological Science
2006 Volume.48 No. 2 p.37 ~ p.40
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Breeding of Daepoongjam, a Sex-limited Larval Marking and High Silk Yielding Silkworm Variety for Spring Rearing Season
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Kang Pil-Don
Lee Sang-Wook
Jung I-Yeon
Kim Kee-Young
Kim Mi-Ja
Hong In-Pyo
Kim Young-Dae
Lee Heui-Sam
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Abstract
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A new silkworm variety "Daepoongjam" for spring rearing season is $F_1$ hybrid between Jam151, a Japanese race bred from introduction breeding and Jam152, a Chinese race from introduction breeding. In the local adaptatability test performed at 8local areas in spring of 2005, the heavy cocoon yield of "Daepoongjam" was recorded 6% higher than "Kumokjam". The concentration of Deokynojirimycin (DNJ) was measured 4.22 mg in "Daepoongjam", similar to "Kumokjam" (4.26 mg). In the Peacilomyces tenuipes production ability test, the pupal weight of "Daepoongjam" was 1.61 g/individual 13% heavier than "Kumokjam" (1.41 g/individual)
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KEYWORD
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Silkworm, Breeding, Combining ability, Sex-limited larval marking
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