论文部分内容阅读
1997—1999年田间试验表明:亩用11%蚜粉克星EC90～100ml,对小麦穗蚜的防治效果可达93.5%以上,持效期在20天以上;对小麦白粉病亦有很好的防治效果,药后10天的防效在72.5%～76.5%之间。蚜粉克星增产作用明显,可使小麦增产12.7%～13.2%。
1997-1999 field experiments showed that: mu with 11% aphid powder nemesis EC90 ~ 100ml, the control effect of wheat ear aphids up to 93.5%, persistence of more than 20 days; wheat powdery mildew is also a good control Effect, 10 days after drug control effect in 72.5% to 76.5%. The effect of increasing the output of the nectar powder nectar is obvious, which can increase the yield of wheat by 12.7% ~ 13.2%.