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中国农科院植保所玉米螟组,1973年在商丘地区基点期间,与虞城、商丘两县农业局协作,经过室内、田间试验,研制成功“四号A型0.6％666乳化沥青包衣颗粒剂”,为推广剂型。从1977年至今,由虞城县城郊、稍岗两公社土法生产138.5万斤,大面积防治达15万亩次。由于效果接近0.5％1605颗粒剂,药源充足,成本较低,深受欢迎。此项成果于1980年被评为商丘地区一等奖。现介绍主要方法,供各地参考。
Chinese Academy of Agricultural Sciences Plant Protection corn borer group, in 1973 in Shangqiu area base period, and Yucheng, Shangqiu County Bureau of Agriculture collaboration, after indoor and field trials, the successful development of “Type A 0.6% 666 emulsified asphalt coating particles Agent ”for the promotion of dosage forms. From 1977 to the present, from the outskirts of Yucheng County, a small hill two communes native production 138.5 kilograms, a large area of prevention and control up to 15 million mu times. As the effect of nearly 0.5% 1605 granules, adequate source, low cost, very popular. This result was named Shangqiu area first prize in 1980. Now introduce the main method for reference.