【摘要】 采用 4 0 %克线磷乳油、3%克百威颗粒剂、35 %阿维菌素乳油及 4 5 %高效氯氰菊酯乳油 4种药剂 ,分别以 6种浓度梯度对松材线虫进行室内药剂生测 ,初步筛选出防效较好的药剂为 4 0 %克线磷乳油 ,其最佳的使用浓度为 2 0 0mg/L。更多还原

【Abstract】 fenamiphos EC,3% phorate GR,35% phoxim EC and 4.5% beta-cypermethrin EC were used against pine wood nematode with six different concentration gradient respectively in lab.The result showed that the control effect of 40% fenamiphos EC was the best among the four nematocides and its best concentration was 200 mg/L.更多还原