兰州城区山杏-杏梅嫁接树流胶病调查

The Investigation on the Gummy Disease of Grafting Trees of Prunus sibirica-P.mume var.bungo in Lanzhou City

山杏-杏梅嫁接树观赏价值高,但受流胶病危害而观感不良。以兰州市城关区行道树和公园观赏树为对象,调查山杏-杏梅嫁接树流胶病发病情况。结果表明,兰州城区山杏-杏梅嫁接树流胶病主要发生在山杏砧木部分,发病率5%左右,病死率0.2%,总体病情轻微。参考杏树流胶病防治,提出5条防治对策。

Prunus sibirica-P.mume var.bungo grafted trees have high ornamental value,but poor appearance and perception due to the damage of flow gum disease.The incidence of gummy disease in grafted trees of apricot-apricot plum was investigated with street trees and ornamental trees in parks in Chengguan district of Lanzhou City.The results showed that the gum flow disease of mountain apricot-apricot plum grafted tree mainly occurred in the rootstock of mountain apricot,the incidence was about 5%,the fatality rate was 0.2%,and the overall disease was slight.Referring to almond gum disease prevention and control,put forward 5 preventive measures.