番茄灰霉病是随着保护地面积的发展而发生的重要病害,由于保护地条件适宜病害的发展,所以该病流行较快。发病后如防治不力减产20％～30％,严重的造成毁棚。 一、症状识别 苗期可造成茎叶腐烂,病部灰褐色,表面密生灰霉。成株期发病时,叶片形成“V”字形病斑,浅褐色,稍有轮纹,潮湿时表面密生灰色 Botrytis cinerea is an important disease that occurs with the development of the protected area, and the epidemic is rapid due to the development of suitable diseases in protected areas. After the onset of illness, such as poor control 20% to 30%, resulting in serious damage to shed. First, the symptoms Identify seedling can cause stems and leaves rot, diseased parts brownish, dense surface gray mold. The incidence of adult plants, the leaves form a “V” -shaped lesion, light brown, slightly round pattern, damp surface dense gray