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番茄灰霉病是近年来保护地番茄发生较重的病害,一般减产20%～30%,重者减产50%以上,该病在山东省东平县保护地新老番茄产区均有发生。为了提高番茄的产量和质量,减轻该病造成损失,笔者于2001～2007年对其发生与防治进行了调查与研究。1保护地番茄灰霉病的田间症状1.1叶茎症状叶片病斑多从叶间向里呈“V”字形
Botrytis cinerea is a serious disease of tomato in the protected areas in recent years. Generally, the yield of tomato is more than 20% ~ 30%, and the severe case of cutting is more than 50%. The disease occurs both in old and new tomato producing areas in Dongping County, Shandong Province. In order to improve the yield and quality of tomato and reduce the loss caused by the disease, the author conducted a survey and research on its occurrence and prevention in 2001-2007. 1 Protected field tomato gray mold disease Symptoms 1.1 leaf stalk symptom leaf spot more than from the leaf was “V” shape