苹果瘤蚜的药剂防治苹果瘤蚜是苹果树上的一种重要害虫，它主要危害叶片，造成叶片皱缩卷曲，进而干枯死亡。为搞好此虫的防治工作，我们于１９９４年做了本项试验，现将试验结果报告如下。试验在张家产镇麾艮村苹果园进行。品种为８年生烟青，株行距３×４ｍ，前３年全园... Apple Aphids Pharmacy Control Apple Aphids is an important apple tree pests, it is mainly harmful to leaves, causing the leaves shrink crimp, and then died of death. To do a good job in this worm prevention and control work, we did this test in 1994, the test results are reported below. Test Zhang village in the village orchard Burgundy apple orchard. Variety of 8-year-old smoke green, line spacing 3 × 4m, the first three years of the whole park ...