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5%甲拌磷颗粒剂随种条播法防治油菜苗期主要害虫,小区试验,按照活性成分0.75～1.5kg/ha剂量于油菜春播期一次性施入播种沟内,对全体越冬成虫的平均防效,跳(虫甲)类为68.1%,黄曲条跳(虫甲)[Phyllotreta vittata(Fabr.)]为66.7%、油菜茎龟象为63.7%。大田应用以活性成分0.75kg/ha为宜。
The 5% phorate particles were used to prevent and control the main pests and plots of rape seedlings at seedling stage. Seedlings were inoculated into sowing ditch at the spring sowing time according to the dose of 0.75-1.5 kg / ha of active ingredient. The average defense against overwintering adults Effective, 66.1% for Phyllotreta vittata (Fabr.) And 68.7% for Phyllotreta vittata (Fabr.), And 63.7% for B. rapae. Field application to the active ingredient 0.75kg / ha is appropriate.