病毒性病害是危害蔬菜的主要病害之一 ,为便于广大农民朋友及时发现和有效防治该病 ,现特将病毒性病害的监测技术及防治方法介绍如下。症状的监测。蔬菜感染病毒性病害后 ,大多会出现下列症状 :①植株萎缩 ,叶片及果实小 ,根系变弱 ;②叶面出现花叶及斑驳症状 ,细微输导组织变 Viral diseases are one of the major diseases that endanger vegetables. In order to facilitate the timely detection and effective prevention and treatment of the disease by the majority of farmers and friends, the monitoring techniques and prevention and cure methods for viral diseases are introduced as follows. Monitoring of symptoms. Vegetables infected with viral diseases, most of the following symptoms may occur: ① plant atrophy, leaves and fruits are small, weakened roots; ② leaves appear mottling and mottling symptoms, fine transmission of tissue changes