病毒病的种类与表现症状不同蔬菜上的病毒病种类不同,表现症状也不一样。病毒病的发生只有病状而无病征,这是病毒病与真菌、细菌病害最大的不同。病毒病症状的表现多为变色、坏死、畸形等。下面以栽培面积大的茄果类和瓜类蔬菜为例,介绍病毒病的种类和发生表现症状。番茄黄化曲叶病毒病 Virus disease types and symptoms of different symptoms of different types of vegetables on the virus, the performance symptoms are not the same. The occurrence of virus disease only symptoms without symptoms, which is the virus disease and fungi, bacterial disease is the biggest difference. Symptoms of viral diseases are mostly discoloration, necrosis, deformity and so on. Here to cultivate a large area of ​​eggplant and melon vegetables, for example, describes the types of virus disease and the occurrence of symptoms. Tomato yellow leaf curl virus disease