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芝麻病毒病是芝麻的一种新型病害。1976—1980年在我们地区为零星病株发生阶段。自1982年以来,发生面积逐渐扩大,1984年为大流行年,局部地区损失严重。 材料和方法 (一)田间定点定期系统观察和调查发病株数。在同一块地里的病区和无病区各收100
Sesame virus disease is a new type of disease sesame. 1976-1980 Sporadic diseased strains occurred in our area. Since 1982, the area has gradually expanded. In 1984, the year of the pandemic was a serious loss in some areas. Materials and methods (A) field fixed-point regular observation and investigation of the number of pathogens. In the same area of the ward and no ward received 100