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甘蔗黑穗病是我省甘蔗的主要病害,在蔗区均有不同程度的发生。我场1970年引种带入此病,由于当时未引起重视,乃至近年来较普遍发生,发病率严重的高达30%以上,造成甘蔗减产50%以上,糖分含量减少20%左右,是当前值得高度重视的一种病害。 一、发病症状 本病显著的症状是在蔗株梢头?
Sugarcane smut is the main disease of sugarcane in our province, which has different degrees of occurrence in sugarcane area. My introduction to the field in 1970 brought the disease, because at that time did not pay attention, and even more common in recent years, the incidence of serious as high as 30%, resulting in more than 50% of sugar cane production, sugar content decreased by about 20%, is the current height A serious disease. First, the symptoms of the disease is a significant symptom of the cane plant shoots?