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为探明新疆库尔勒香梨腐烂病发生的影响因素以及筛选有效的防治药剂,调查了树龄、施肥量与香梨腐烂病发生的关系,并用刮治结合涂抹药剂法测定了5种杀菌剂防治香梨腐烂病的效果。调查结果表明,随香梨树龄的增加,腐烂病发生趋于严重;增施有机肥可提高树势,减轻病情。刮治病斑后,涂抹43%戊唑醇悬浮剂200倍液能够较为有效防治香梨腐烂病,防治效果为65.0%。
In order to find out the influencing factors of rotting disease of Korla fragrant pear in Xinjiang and screening effective control agents, the relationship between tree age, fertilizer amount and the occurrence of rotted pear was investigated. Five kinds of fungicides Pear rot disease effect. The survey results showed that with the increase of the age of pear, the rotten disease tended to be serious; adding organic fertilizer could improve the tree vigor and alleviate the disease. Scraping lesions, the application of 43% tebuconazole suspension 200 times more effective prevention pear pear rot disease control effect of 65.0%.