茄褐纹病是茄子的重要病害,只为害茄子,发病后造成的损失较大。苗期到果实成熟期均可发病。幼苗感病近地面茎基部产生褐色至黑褐色病斑,凹陷,腐烂后猝倒死亡,病部产生小黑点。成株期感病,叶片形成白色小斑点,以后逐渐扩大为不规则形病斑,边缘深褐色,中间浅黄色,其上着生许多小黑点,呈轮纹状排列或散生。茎受害出现溃疡病斑,病斑边缘深褐色,中央灰白色,上面密生小黑点,以后,病部凹陷、干腐,皮层脱落, Eggplant brown spot disease is an important disease of eggplant, eggplant damage only, the greater the loss caused. Seedling to fruit maturity can be disease. Seedling susceptible to near-surface stem base produces brown to dark brown lesions, depression, decay after catastrophic death, sick spots produce small black spots. Adult susceptible, the formation of small white leaves, and later gradually expanded to irregular lesions, dark brown edge, the middle of the light yellow, with many small black spots on it, were round-shaped arrangement or scattered health. Stem victims of ulcer lesions, dark brown edge of the lesion, the central gray, dense black spots above, after the Department of depression, dry rot, cortex loss,