1990年3月下旬,我市周至、长安两县猕猴桃出现嫩叶卷曲、萎蔫、果枝腐烂枯死现象。经我站在周至县猕猴桃试验站调查,450亩猕猴桃中均有不同程度发生,病株率8.7%,枯死果枝最多每株5个,对产量影响很大。我们将病枝进行了分离培养和回接,鉴定结果,该病是由葡萄孢属 Botrytis cinerea Pers ex Fr 所引起的猕猴桃灰霉病。经观察,在果枝茎部(分叉处)产生淡褐色、水浸状不规则病斑,并向上、下或围绕 In late March 1990, the city of Zhouzhi, Chang’an two kiwifruit appear curly leaves, wilting, fruiting branches decay phenomenon. After I stood in Zhouzhi County Kiwifruit Experimental Station survey, 450 acres of kiwifruit have occurred in varying degrees, the diseased rate of 8.7%, dead fruit branch up to 5 per plant, a great impact on the yield. We isolated and cultured the diseased branches and identified the results, the disease is Botrytis cinerea Pers ex Fr induced kiwi gray mold disease. It has been observed that there is a light brown, watery, irregular lesion in the stems of the fruiting branches (bifurcation), and up, down or around