Breeding of New Silkworm Strain Yeonnokjam
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초록
Yeonnokjam is a newly bred high yield special silkworm strain for spring rearing, bred from Japanese originated green cocoon spinning strain Jam 315 and Chinese originated white cocoon spinning strain Jam 316. This strain showed high hatching ratio of 96%and high healthiness of 96.7% of pupatin ratio. And its spins heavier cocoon with somewhat shorter fiber length but thicker fineness. The merits of these strains are short larval period and labor saving, and its breeding goals are producing polish green silk and use for education.
Abstract
Yeonnokjam is a newly bred high yield special silkworm strain for spring rearing, bred from Japanese originated green cocoon spinning strain Jam 315 and Chinese originated white cocoon spinning strain Jam 316. This strain showed high hatching ratio of 96%and high healthiness of 96.7% of pupatin ratio. And its spins heavier cocoon with somewhat shorter fiber length but thicker fineness. The merits of these strains are short larval period and labor saving, and its breeding goals are producing polish green silk and use for education.
참고문헌 (5)
- Harada C, "Heterosis of the quantitative characters in the silkworm", Bull Sericul Exp Sta, 17(1), pp.1~52 (1961)
- Kang PD, "Breeding of yangwonjam, a both parent sex-limited larval marking variety suitable for spring rearing season", Korean Seric Sci, 42(1), pp.24~27 (2000)
- Kang PD, "Breeding of a new silkworm variety Golden silk, a yellow cocoon color for spring rearing season", Korean Seric Sci, 49(1), pp.14~17 (2007)
- Lee SP, "Breeding of new spring silkworm variety Baegokjam", Res Rept RDA, 26, pp.58~64 (1984)
- Sohn KW, "Combining ability test of silkworm varieties Top-cross", Res Rept RDA 26-1(E. Fm & S), 28(1), pp.66~70 (1986)