许多经济作物都易遭受病毒的感染。在我国由于病毒病的危害,每年使经济作物减少约30%的收成。因此大力开展植物病毒病的防治研究势在必行。 一、研制植物病毒疫苗的意义 病毒对寄主特殊的依赖关系,正如人和动物的病毒性疾病一样。人们控制植物病毒病害尚未找到理想的治疗方法,目前主要局限于预防:①除去或减少侵染源;②消灭或驱除传播病毒的介体; Many cash crops are vulnerable to the virus. In our country, due to the damage of the virus disease, the cash crops are reduced by about 30% of the annual harvest. Therefore, vigorously carry out prevention and treatment of plant virus disease is imperative. First, the significance of the development of plant virus vaccine Viruses on the host a special dependency, just as human and animal virus disease. People have not yet found an ideal treatment for controlling plant virus diseases. At present, the main limitation is prevention: removing or reducing the source of infection; eliminating or expelling the virus-transmitted mediator;