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以甘薯品种红香蕉为试材,在地下害虫危害较重地块,研究了地蚜灵、70%吡虫啉粉剂、30%毒死蜱微胶囊剂和白僵菌1号对甘薯地下害虫的防治效果。结果表明:地蚜灵(666.7m2用量,下同)100.0g、30%毒死蜱微胶囊剂0.5、1.0kg处理的防治效果较好,防效分别为43.38%、37.37%和41.13%,三者之间差异不显著,均显著高于其它处理。各药剂处理对薯块商品率影响差异显著,对鲜薯产量影响差异不显著。
Taking the sweet potato variety “Red Banana” as test material, the pest control measures were applied to control the underground pests of sweet potato under the conditions of heavy damage to underground pests. The results showed that 100.0g of Pyriculariae (666.7m2, the same below) and 30% of chlorpyrifos microcapsules 0.5 and 1.0kg had better control effect, the control effects were 43.38%, 37.37% and 41.13%, respectively There was no significant difference between the two groups, which were significantly higher than other treatments. The effect of each agent on potato commodity rate was significant, but the difference was not significant.