红枣黑斑病发生影响因素及有效防治

对新疆生产建设兵团第一师12团2连近4年枣园田间湿度、不同修剪方式、不同品种等与黑斑病发生的关系进行调查分析。结果表明,在同等条件下,果园田间湿度是引发红枣黑斑病的主要因素;红枣品种不同,黑斑病发病率也有一定的差异,其中骏枣极易感染黑斑病,其次是灰枣,金昌发病率较轻。

Influencing Factors and Effective Control of Black Spot Disease of Jujube

The relationship between the occurrence of black spot disease and field humidity, different pruning methods and varieties of jujube in 12th Regiment and 2nd Company of the First Division of Xinjiang Production and Construction Corps in recent four years was investigated and analyzed. The results showed that under the same conditions, field humidity was the main factor causing black spot of jujube. The incidence of black spot was also different among different jujube varieties. Jun jujube was susceptible to black spot, followed by Hui jujube and Jinchang jujube.