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稻纵卷叶螟、二化螟是海门市水稻生产上主要害虫。近年来呈加重发生趋势。目前常用甲胺磷和沙蚕毒素类药剂加以防治。由于甲胺磷毒性大、对天敌杀伤作用大 ;沙蚕毒素农药对家蚕剧毒 ,在稻桑夹种区受到限制〔1〕。为筛选防治稻纵卷叶螟和二化螟的有效药剂 ,1999年笔者开展了锐劲
Rice leaf roller, rice stem borer is Haimen main pests on rice production. In recent years, the trend is aggravating. Currently used methamidophos and Nereis toxin agents to be controlled. As methamidophos toxicity, the killing effect on natural enemies; nereistoxin pesticides on the silkworm poisonous, limited in rice mulberry species [1]. For the screening of effective control of rice leaf roller and Chilo suppressalis, in 1999 I carried out sharp