一、病害发生概况水稻细菌性条斑病(Xanthomonas Oryzicola Fang et al)是现行国家颁布的水稻检疫对象,自六十年代初期推广矮杆良种和省内一些单位来南繁育种以后传入南繁基地的。七十年代以后,特别是近几年来,随着我国农业生产的发展和水稻“三系”育种的需要,全国各地来海南岛南繁育种的单位和面积不断增加,水稻种子南运北调非常频繁,由于植检机构不 First, the occurrence of disease Overview Rice bacterial leaf streak (Xanthomonas Oryzicola Fang et al) is the current quarantine of rice issued by the State, since the promotion of the early 1960s dwarf varieties and some units in the province to the South after Breeding introduced into the South complex Base Since the 1970s, especially in recent years, with the development of agricultural production in our country and the need of “three lines” of rice breeding, units and areas for breeding south Hainan Island have been increasing throughout the country. The northward movement of rice seeds in the south is very unusual Frequently, due to the phytosanitary institution does not