摘要
山楂白粉病病原以菌丝体在病芽内越冬,分生孢子借风雨传播,一年可进行多次侵染。该病的发生与气候、品种、园内野生山楂的数量、坡向等有一定关系。喷70％代森锰锌500倍液防治效果最佳,喷40％多菌灵胶悬剂治疗效果理想。
Hawthorn powdery pathogen overwintered in the infected buds, the conidium spreaded by wind and rain, hosts can be infected several times yearly. The nosegony was related to climate, varieties, the number of wild hawthorns and aspect etc. The ideal way to prevent the powdery was to spray 70% Mancozeb liquid being diluted 500 times and 40％ Carbendazim soliquid.
出处
《陕西林业科技》
北大核心
1990年第3期36-38,48,共4页
Shaanxi Forest Science and Technology
