48%乐斯本乳油对稻水象甲的防效

Effect on Prevent and Cure Lissorhoptrus Oryzophilus Use 48% Lesiben

对稻水象甲防治药剂的防治效果进行研究,田间试验结果表明,48%乐斯本乳油防治稻水象甲成虫有较好的效果。每667m2施用48%乐斯本乳油75ml防效达90.6%,持效期7d以上。

Field test indicate that use 48% Lesiben to prevent and cure Lissorhoptrus oryzophilus can receive the better effect. When we used 48% lesiben 75 ml/667 m2 on farm, we can receive the effect which is 90.6% and its durative effect can reach 7 days.