玉米病毒病很早就引起人们的注意,有些病毒病对生产造成很大的危害。尤其自五十年代以来,随着杂交玉米的发展,玉米病毒病的发生日趋严重,已成为玉米生产上一个重要的经济问题。如以色列一九五八年由于玉米粗缩病的为害,杂交玉米减产16%,玉米产量损失达5,300吨。美国佐治亚州近 Corn virus disease has aroused people’s attention for a long time, and some virus diseases cause great harm to the production. Especially since the 1950s, with the development of hybrid maize, the occurrence of maize virus disease has become more and more serious, which has become an important economic issue in corn production. For example, in Israel in 1958, due to maize sickening, the yield of hybrid maize was reduced by 16% and that of maize was 5,300 tons. Georgia, United States