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1997年,沈阳市行道树京桃大量出现枝条干枯、腐烂和枝干流胶现象,有些已整株死亡。本研究对京桃枯死原因进行了调查,在室外观察和室内试验基础上,发现枯枝病病原是桃干枯病菌[Leucostoma personii (Nit) Togashi]和桃干枯壳蕉孢菌(Cytospora leustoma Sacc) 防治措施有:对京桃树木要加强抚育管理,及时进行修剪,避免伤口出现;对枯枝进行清除并销毁,结合化学防治刮皮涂干,用40%福美砷50倍防治效果达88%。
In 1997, a large number of trees in Shenyang, Beijing Peach Blossoms appear rot, decay and branches plastic flow phenomenon, and some have died whole plant. In this study, we investigated the causes of the blight in Peach Blossom and found that the pathogen of the blight was Leucostoma personii (Nit) Togashi and Cytospora leustoma Sacc The measures are as follows: To strengthen the tending and management of Beijing peach trees, timely pruning should be carried out to prevent the wounds from appearing. The dead branches should be removed and destroyed, and combined with chemical prevention and cure.