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在当前地下害虫综合防治中,自从有机氯等农药出现高残留和污染以后,寻找高效、安全的新型杀虫剂,就成了地下害虫化学农药防治研究中的首要任务。一、试验地地下害虫药效试验,首要条件是选择虫口高密度的试验地,这一条是成功与失败的关键。防治非洲蝼蛄选在郑州郊区柳林公社关虎屯大队果园内,每平方米有18头;华北蝼蛄选在中牟县郭庆大队果园内,每平方米有1.4头;华北大黑蛴螬选在中牟县邵岗公社林场农耕区,每平方米有20头以上。
In the current comprehensive prevention and control of underground pests, searching for an efficient and safe new pesticide has become the primary task in the research of chemical control of underground pests since the pesticides such as organochlorines have high residues and pollution. First, the experimental underground pest efficacy test, the first condition is to choose high-density test site, this is the key to success and failure. Prevention and treatment of African 蝼 蛄 election in the suburbs of Zhengzhou Liulin commune Guanhuntun brigade orchard, 18 per square meter; North China 蝼 蛄 election in Zhongqing County Guoqing brigade orchard, 1.4 per square meter; North China 黑 蛴 螬 election in Zhongmou Shaogang commune forest farm area, more than 20 per square meter.