【摘要】 本文报道黄地老虎颗粒体病毒杀虫剂对冬白菜和玉米地的黄地老虎的防效试验结果。每亩施40号病毒杀虫剂(实际病毒含量660mg),害虫虫口下降率为90％,与不施病毒的对照比较,冬白菜亩增产1.2吨,玉米每亩增产150公斤。更多还原

【Abstract】 The AsGV(Agrotis segetum granulosis virus)insecticide has been used to control Agrolis segetum schiffermuller on the Chinese Winter Cabbage and corn. Comparing with contrast areas, the number of the insect pests reduced more than 90% in control areas with AsCV insecticide 40g(virus content 660mg)per mu; the Chinese Winter Cabbage yield increased 1200kg per mu; the corn yield increased 150kg per mu.更多还原