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番茄早疫病的防治建水县农广校６５４３００王家田番茄早疫病是一种真菌病害，又称为轮纹病，除为害番茄外，还可为害马铃薯、茄子等茄科作物。一般多从植株下部叶片开始发病，向上蔓延，严重时植株下部叶片完全枯死，使果实外露。发病初期叶面产生针尖大的小黑点后发展为...
Prevention and Control of Early Blight of Tomato in Jianshui County Agricultural Broadcasting College 654300 Wang Jiantao Tomato early blight is a fungal disease, also known as ring rot disease, which can harm potato crops such as potato and eggplant. In general, the onset of the disease begins at the lower leaves of the plants and spreads upward. In severe cases, the lower leaves of the plants are completely dead and the fruits are exposed. Early onset of the tip of the small black dot after the development of ...