3种药剂对枸杞棉蚜的田间防效
China Plant Protection(2020)
Abstract
通过田间试验调查了3种药剂对枸杞棉蚜的防治效果.随着施药后时间延长,供试药剂100g/L顺式氯氰菊酯乳油、2.5%高效氯氟氰菊酯乳油、40%辛硫磷乳油不同剂量处理区的枸杞棉蚜数量均显著下降.药后3d和7d,各施药处理的防效分别达68.85%~81.34%和84.78%~93.94%,且各试验剂量均对枸杞安全.100g/L顺式氯氰菊酯乳油、2.5%高效氯氟氰菊酯乳油、40%辛硫磷乳油防治枸杞棉蚜的推荐稀释倍数分别在2 000倍、2 500倍、800倍液以下.
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