한국의 추잠기 병해에 관한 연구

Studies on Silkworm (Bombyx mort L.) Diseases in Autumn Rearing Season in Korea

한국의 잠병피해율을 알고자 경북 전역에 걸쳐 1975년 추기 조사하여 분석한 결과 1. 병피해 농가비율은 18.5%이고 상자당 공판량은 무피해 농가가 27.0kg인데 비하며 18.2kg으로 변이의 폭이 크고 평균 미달농가가 상대적으로 많았다. 2. 한국의 총수잠량중 잠병에 의한 감산량은 약 838M/T으로 추산되며 피해율은 5.6%으로 추산되었다. 3. 농병ㆍ연화병이 각각 40.9%, 34.5%로 추잠기잠병의 대부분이었다.

These surveys were designed to know decreasing rate of cocoon production all over the country and purchased amount of cocoons at public market which had been caused by various diseases in autumn of 1975. The results can be summarized as follows; 1. Percentage of sericuitural houses which sustain disease damage was 18.5 percent, and cocoon yield per box in bad crop houses was 8.8kg smaller than that in normal houses. 2. About 838M/T of decreased cocoons and 5.6 percent of damaging rate can be estimated in this autumn throughout the country. 3. In our country, it was 40.9 per cent of Grasseril and 34.5 per cent of Flacherie of silkworm diseases.