问题
单项选择题
哪种铃病表现如下症状:病斑多从棉铃基部、铃尖或龄缝处发生,初期呈暗绿水浸状,后扩展到全铃,引起黑色腐烂,表面生粉色或粉红色霉层。()
A、铃疫病
B、炭疽病
C、红腐病
D、红粉病
答案
参考答案:C
哪种铃病表现如下症状:病斑多从棉铃基部、铃尖或龄缝处发生,初期呈暗绿水浸状,后扩展到全铃,引起黑色腐烂,表面生粉色或粉红色霉层。()
A、铃疫病
B、炭疽病
C、红腐病
D、红粉病
参考答案:C
完形填空。 | ||||
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