万县专区油菜病毒病为害严重,四年来(1961—1964)的试验证明:选用抗病品种、适期播种,掌握翅蚜消长规律适时药治,隔离及清除毒源等综合措施,可控制病害。1961年在我所32亩油菜园中,贯彻了上述措施,病株压低到1％以下,每亩产量达248.8斤。 一、选用抗病品种 胜利油菜发病率为0—3.5％,平均亩产216.3斤;“57—43”(我所选育)发病率为0.5—4％, In the past four years (1961-1964), the experiment proved that the selection of disease-resistant cultivars, timely sowing, timely and effective control of the growth and decline of winged aphids, and the comprehensive measures of isolation and removal of drug sources can control diseases . In 1961 in our 32 acres of rape garden, implement the above measures, diseased plants down to 1% below the yield of 248.8 kg per mu. First, the selection of disease-resistant varieties of rape Sheng rate of 0-3.5%, average yield 216.3 kg; “57-43” (I choose breeding) incidence of 0.5-4%