小白菜是我地重要的渡淡蔬菜种类,周年均有种植。近年来,病毒病对小白菜的危害不断加重。对小白菜病毒病的直观诊断一般较困难,因其感染病毒种类不一定相同或不单一,其中主要有芜菁花叶病毒(TMV)、烟草花叶病毒(TMV)和黄瓜花叶病毒(CMV),而这些病毒在小白菜上所引起的田间症状无明显区别。在小白菜病毒病防治研究中要求“快 Pak Choi is an important type of vegetable that we have to turn lightly on, and we have annual planting. In recent years, the virus disease on the harm of Pak Choi continue to increase. Intuitive diagnosis of Brassica campestris is generally difficult because of the different types of viruses it infects, including the TMV, TMV and CMV ), And these viruses caused no obvious difference between the field symptoms in Chinese cabbage. In the cabbage virus disease prevention and control requirements "fast