2.5%保得乳油防止小麦蚜虫效果作用研究

Study of the Medical Effect in the Field on Wheat Aphid With 2.5% Bulldock EC

对不同剂量的2.5%保得乳油防治麦蚜的效果进行了评价。结果表明,2.5%保得乳油施用有效成分为7.50、6.25g/hm2时,其防效均极显著优于对照药剂处理的防效,持效期达7d以上,对小麦生长安全无害。

The paper reports the experiment on control wheat aphid with 2.5% Bulldock EC and so on.The result shows that the effective component dosage of 2.5% Bulldock EC is 7.50g/ha and 6.25g/ha. They are both superior to other contrast medicaments in prevention and cure effect.