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根据我们多年来对高粱丝黑穗病(Sphacelotheca reilianaf)的观察发现该病两种非典型症状,现将特征描述如下: 1.病株抽穗后主穗似正常植株,刚抽穗时调查往往易与健株混淆。但这种穗子不开花,花药和柱头在颖壳中萎蔫,整个穗部逐渐变为灰褐色而枯萎。病株不久从穗下部各叶腋间长出节生分蘖。肥地可长出4—5
According to our observations of sorghum smut (Sphacelotheca reilianaf) over the years we have found two atypical symptoms of the disease, the characteristics of which are described as follows: 1. The main scion of the diseased plants resembles a normal plant after heading, and the investigation at the time of heading is often easy Health and confusion. However, this spike did not flowering, and the anthers and stigma wilted in the glume shell, and the whole spike gradually turned grayish brown and withered. The diseased plants soon grew spruce from the lower axilla of each ear. Fat can grow 4-5