番茄斑枯病又叫白星病。发生比较普遍，多在结果期发病，造成早期落叶，影响产量。 一、症状识别 整个生长期都可以被害，但多在结果初期发生，一般以下部老叶先发病，然后由下向上发展。叶片发病初期，叶背面出现水渍状小圆斑，以后叶子两面出现圆形或近圆形的病斑，边缘深褐 Tomato spot blight also known as white star disease. Occurred more common, mostly in the onset of disease, resulting in early deciduous, affecting output. First, the identification of symptoms throughout the growth period can be killed, but more in the early stages of the results, the general development of the following older leaves first disease, and then from the bottom up. The early onset of leaves, leaves appear on the back of the water-like small circular spot, after the leaves on both sides appear round or nearly circular lesions, dark brown edge