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对大麦纹枯病菌与其轮作物丝核菌比较研究表明，它们除具有丝核菌的共同特点外，在菌落形态和菌核形成等性状上，均有明显差异；人工交互接种结果显示，各分离物对原寄主都表现出强致病力，呈现典型纹枯或立枯症状．但对其它作物的致病力差异较大。
Comparative studies on Rhizoctonia solani between R. solanacearum and its crop crop Rhizoctonia solani showed that except for the common characteristics of Rhizoctonia, they showed significant differences in the morphology of colony and formation of sclerotia. The result of artificial inoculation showed that Isolates showed strong virulence to the original host, showing the typical withered or deadly symptoms. However, the pathogenicity of other crops is quite different.