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논문 기본 정보
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- 한국잠사학회 International Journal of Industrial Entomology International Journal of Industrial Entomology 제8권 제1호
- 발행연도
- 2004.1
- 수록면
- 27 - 32 (6page)
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초록· 키워드
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With an objective of evolving quantitatively and qualitatively
superior bivoltine silkworm hybrid of Bombyx
mori L. for tropics with shorter larval duration without
compromising on productivity traits, a breeding programme
was initiated at this institute during 1997 by
utilizing breeding resource material from the institutes
Germplasm collection. The breed SD7 is characterized
with plain larvae spinning white oval cocoons and SD12
is characterized by sex-limited larval markings spinning
white dumb-bell cocoons. After fixation, these
breeds along with other newly evolved breeds were subjected
for hybrid evaluation in the laboratory. Based on
the hybrid studies, the hybrid SD7 ´ SD12 was selected
and evaluated for one year comprising three major seasons
(6 trials) of tropics viz., Pre-monsoon (characterized
by high temperature, low humidity and without
any rain fall), Monsoon (characterized by moderate
temperature, heavy rain fall with high humidity) and
post-monsoon season (characterized by low temperature
and low humidity with frequent rain fall) to know
the fluctuations in the larval duration. The evaluation
studies indicated that the hybrid is having shorter larval
duration with productive merits. The hybrid SD7 ´
SD12 recorded survival percent of 92.74, shell weight of
46.7 cg, shell ratio % of 24.0 and filament length of
1,200 meters with a shorter larval duration of 24 hrs;
when compared to productive hybrid CSR2 ´ CSR5
(control). The breeding methodologies and hybrids usefulness
for tropics were discussed.
목차
등록된 정보가 없습니다.
참고문헌 (9)
참고문헌 신청
/ 1961 / On the heterosis of quantitative characters inthe silkworm. Bull. Sericult. Expt. Stn. 17 : 1 ~ 5
/ 1966 / studies on the selection ofcocoon filament length and cocoon filament size in Bombyxmori. Nissenzatsu 35 : 427 ~ 434
/ 1976 / Recent concepts and trend in silkworm breeding.Farming Japan 10 : 11 ~ 22
/ 1978 / New technology of silkworm rearing.CSR & TI. Bull. Central Silk Board 2 : 1 ~ 23
/ 1984 / Improvement of silkworm races in India.Sericologia 24 : 393 ~ 415
/ 1966 / studies on the selection ofcocoon filament length and cocoon filament size in Bombyxmori. Nissenzatsu 35 : 427 ~ 434
/ 1976 / Recent concepts and trend in silkworm breeding.Farming Japan 10 : 11 ~ 22
/ 1978 / New technology of silkworm rearing.CSR & TI. Bull. Central Silk Board 2 : 1 ~ 23
/ 1984 / Improvement of silkworm races in India.Sericologia 24 : 393 ~ 415
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