黄矮病是由黑尾叶蝉传播的,对水稻具有严重威胁的病害之一。稻株一经感染,便无法治愈。当前,生产中推广的水稻品种和杂交稻组合,很少是抗黄矮病的,对黄矮病主要是采用农业措施和化学农药进行防治。这些措施不仅耗费大量的人力、物力,而且长时间地使用化学农药,还会破坏生态平衡 Yellow dwarf is transmitted by the black-tailed leafhopper, one of the diseases that pose a serious threat to rice. Once the rice plant is infected, it can not be cured. At present, the combination of rice varieties and hybrid rice promoted in production is rarely against yellowish dwarf disease, and agricultural measures and chemical pesticides are mainly used to prevent and cure yellowish dwarf diseases. These measures not only consume a lot of manpower and material resources, but also long-term use of chemical pesticides, but also undermine the ecological balance