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1、症状茄子叶霉病主要为害叶片。先中、下部发生,然后逐渐向上蔓延。严重时也为害叶柄和嫩茎。叶片染病,叶片正面出现圆形或不规则形淡黄色褪绿斑点和斑块,叶背面病部生出霉层,初为白色,后渐变为紫灰色或灰褐色,霉层十分明显,为病菌的分生孢子梗和分生孢子。环境条件合适时,叶片正面的病斑上也可长出霉层。叶柄和茎部发病症状与叶部相同。2、病原经镜检,该病属半知菌亚门褐枝孢属真菌,与番茄叶霉病病原菌相同。3、发病特点与传播途径据资料及调查,该病主要以菌丝体在病
1, the symptoms Eggplant leaf mold is the main damage leaves. First, the lower part of the occurrence, and then gradually spread upward. Serious pest and tender stem damage. Leaf blade disease, the front of the leaves appear round or irregular pale yellow chlorotic spots and plaques, leaves the back of the sick part of the mold layer, the initial white, purple or gray later gradual change, the mold layer is very obvious, as bacteria Conidiophores and conidia. When the environmental conditions are right, the mold on the front of the leaves may grow moldy. Petiole and stem symptoms and leaves the same. 2, the pathogen by microscopic examination, the disease is a penicillin subunit Mycoplasma fungus, and tomato leaf mold pathogenic bacteria the same. 3, the incidence characteristics and routes of transmission According to the information and investigation, the disease mainly in the mycelium in the disease