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RISS 인기검색어
- 검색키워드
- 저자 : 林鍾聲 (검색결과 3 건)
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人工飼料育과 桑葉育에 있어서 核多角俸 바이러스에 對한 누에의 品種別 抵抗性
林鍾聲,崔鍾九 COLLEGE OF AGRICULTURE KYUNGPOOK NATIONAL UNIVERSI 1984 慶北大農學誌 Vol.2 No.-
This study was carried out to investigate the resistance of the silkworm larvae of various varieties fed on artificial diet and mulberry leaves to Nuclear Polyhedrosis Virus. The results obtained were as follows: In the oral inoculation of Nuclear Polyhedrosis Virus to the silkworm larvae, high mortality was observed in the highest concentration of inclusion bodies (10^(8)/㎖) to all the different varieties of silkworm larvae such as Jam 107 x Jam 108, Jam 108 x Jam 107, Jam 117 x Jam 118, Daizo and Jam 129 x Jam 119. The susceptility of silkworm larvae at 2nd instar to the oral inoculation of N. P. V. was higher than that of the larvae at 4th instar in any kinds of varieties. The Daizo was proved to be most resistant to the N. P. V. inoculation throughout all the different instar and both in mulberry leaves and artificial diet while Jam 120 x Jam 119 to be most susceptible in the same conditions as above. However, Jam 107 x Jam 108 and Jam 108 x Jam 107 were in the same level of the susceptibility to the inoculation. In the histopathological diagnosis, it was examined that fat body was more susceptible to the N. P. V. inoculation at 2nd and 4th instar. After infection, the gastric juices were sampled to carry out electrophoresis to make a comparison of bands. However, there was no difference in numbers except a little increase of concentration. It was also noticed that various bands disappeared as the disease is progressed.
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누에의 人工飼料에 있어서 Starch 利用에 關한 硏究
金潤植,柳根燮,林鍾聲,李仁銓,孫海龍 慶北大學校 1980 論文集 Vol.30 No.-
In order to find out new starch sources instead of potato starch, we used fourteen food crops, abundance of sugar and starch, which can be find easily in the market. There were summarizes as follows; 1) Sweet-potato powder, red-bean powder, red-bwder, pumpkin powder, fernbrake powder, burdock powder, lotus-root powder, arrow-root powder, and acorn powder were no good for starch of artificial diet, and especially their smell were bad by affected in feeding response on silkworm larva. 2) Small green pea powder was not so good in cocoon quality, but starch of artificial composition for young instar was adaptable owing to be shortened and be uniformed in larval period. 3) Rice powder and barley powder were affected in the same level for larval characters and cocoon quality to compare control. 4) Wheat flour and corn powder were more adaptable for artificial diet, especially were better affected to cocoon quality, but were delayed in larval period. 5) Water content of arrificial food in opening case was changeable a little in one day in natural condition, but was not problem in rearing room. 6) To feeding response for artifical diet, hybrid of recommended silkworm varieties in the present were so good. 7) But, original races were worse than their hybrid in feeding response. 8) In compare with artificial diet-fed and mulberry-fed that was high mortality contained lost larva ratio, was lowered cocoon production, and was lightened cocoon weight and cocoon shell weight. 9) But, it was good for reeling test than mulberry-fed, especially reelability was higher than control.
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