作　　者： ; ;

机构地区： 仲恺农业技术学院农业与园林学院植保系

出　　处： 《仲恺农业技术学院学报》 1999年第2期33-37,42,共6页

摘　　要： 番石榴干枯病是由拟青霉菌（ＰａｅｃｉｌｏｍｙｃｅｓｖａｒｉｏｔｉＢａｉｎ）引起的一种新病害，在广州郊区果园为害严重，每年４～６月和９～１１月在果园出现较多新病株，发病率随树龄的增长而增高，病菌最适的生长温度为２５～３０℃，人工接种只侵染番石榴，不侵染荔枝、芒果、龙眼、黄皮、人心果。 Guava trunk blight disease was a new disease that was caused by Paecilomyces varioti Bain. The disease was serious in the orchards of guava in the suburban districts of Guangzhou. According to the investigation, the diseased trees appeared in the orchards of guava from April to June and from September to November in every year. The trees were older,the rate of diseased trees were higher.The range of the optimum temperature is 2530. The study also showed that the fungus only infected the trunk of guava and didn't infect Mango, Longan, Chinese wampee, Sapodilla, Litchi, Papaya.

关 键 词： 番石榴 干枯病 拟青霉菌 鉴定

领　　域： [农业科学] [农业科学]