국화해충의 1종인 애긴노린재 (Nysius plebejus Distant)의 생력적 방제방법 연구 = Studies on the Labour-Saving Control Method of Nysius plebejus Distant (Hemiptera : Lygaeidae) an Insect pest of Chrysdnthemum

다국어 초록 (Multilingual Abstract)

This study was conducted to investigate injury, density and labour-saving control method of Nysius plebjus Distant(NPD), an insect pest of chrysanthemum, in Kyongnam province. Population density of NPD was more autumn than compared with spring. Leaf injury ration were 4∼12% in spring and 18∼35% in autumn in Chinju, Changwon and Kimhae respectively. It's damage was found at Feb, to Nov. and there was three times damaged peak. Labour-saving control method of NPD is more effective on the method of fumigation of insecticide coated on the "Beonggaetan charcol" from Feb. to Nov. in chrisanthemum's greenhouse, and the time was middle in Feb., early in Jun. middle of Aug. and middle of Oct.. The saving effect of control expecses was 78% in method of fumigation of insectcide coated on the "Beonggaetan control"(New control method) compared with farmer's control method.