番茄疫病及防治方法番茄疫病，又名晚疫病。是番茄主要病害，大部份番茄产区均有不同程度发生。此病主要为害番茄叶片和果实，也可为害植株茎部。一般从植株中下部叶片先发病，受害叶片尖端或边缘呈不规则的暗绿色水渍状病斑，扩大后变为褐色。湿度大时，叶背面病健部交界... Tomato disease and control methods Tomato disease, also known as late blight. Is the main tomato disease, most of the tomato producing areas have varying degrees of occurrence. This disease is mainly harmful to tomato leaves and fruits, but also damage the plant stems. Generally lower leaves from the plant first onset, the victim tip or edge of the irregular dark green water-like lesions, expanded to brown. Humidity, the back of the Department of disease at the junction of disease ...