我家有13棵梨树,因梨黑星病和干腐病,几乎到了绝产的地步。春季,得知绿风95防治梨黑星病、果树腐烂病、干腐病效果很好,就到县生产资料公司庄稼医院买了4瓶。6月上旬刚发现梨树开始发病,就用500倍绿风95稀释液喷了10棵,留下3 My family has 13 pear trees, due to pear scab and dry rot, almost to the point of abortion. In spring, we learned that Greenpeace 95 is a good way to control pear scab, fruit tree rot and dry rot, and bought 4 bottles at the county hospital of crop production. In early June just found pear disease, with 500 times the green wind 95 diluted spray 10, leaving 3