论文部分内容阅读
冬季治卵防治桃蚜根据桃蚜在桃树上产卵越冬的规律,我们进行了以冬初治卵为主的防治试验,效果很明显。于10月下旬至11月上中旬,对桃树上的蚜卵分别喷布2000倍久效磷、1500倍40%氧化乐果、4000倍20%杀灭菊酯乳油及4000倍50%辟蚜雾可湿性粉...
Controlling Myzus persicae in winter According to the law of peach aphid laying in the peach overwintering in the peach trees, we carried out the prevention and cure test mainly based on oviposition in early winter and the effect is obvious. From late October to mid-November, 2000 times of monocrotophos, 1500 times of 40% omethoate, 4000 times of 20% fenvalerate EC and 4000 times of 50% Fog wettable powder ...