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一、发病症状葡萄炭疽病原为小丛壳菌,属于囊菌亚门,无性阶段属半知菌亚门,此病主要危害葡萄果实,也危害穗梗、穗轴和叶片。果实受害后,软腐,排红色粘液,病果被触易脱落。果实表面起初发生水浸状或赤褐色斑点,逐渐扩大成圆形病斑,色泽较深,有轮状纹。
First, the incidence of symptoms Gramineae is a small cluster of Bacillus anthracis, belongs to the saccharomyces subdivision, asexual stage is a penicillium subfamily, the main harm to the grape fruit of the disease, but also endanger the stems, cob and leaves. Fruit damage, soft rot, row of red mucus, disease is easy to fall off. Fruit surface initially flooded or brown spots, gradually expanded into a circular lesion, darker color, a wheel-shaped pattern.