近年来我省引进亲李有不少感染了根癌病，如不注意防治，很可能会蔓延，因这种根头癌肿病，除危害来李、桃外，还能危害梨、板栗、葡萄、柑桔等。现将果树细菌性很癌病及其防治介绍如下。一、症状根癌病主要发生在根颈部和靠近地面嫁接处，但也有时散生在侧支很上。亲李上根癌 In recent years, a lot of pro-Li in our province have been infected with root cancer. If you do not pay attention to prevention and treatment, it is likely to spread. Because of this root swollen disease, you can endanger pears, chestnuts, Grapes, oranges and so on. Now bacterial bacterial cancer and its prevention are described below. First, the symptoms of root cancer mainly occurs in the root neck and near the ground graft, but sometimes scattered in the collateral is very. Pro Li root cancer