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水稻细菌性条斑病是一种分布于亚热带地区的细菌病害,国内主要分布于华南、华中及西南地区[1]。20世纪90年代随着杂交稻的推广,发病面积逐渐扩大,危害加重,为国内植物检验对象。澜沧县于1996年开始零星发现,近几年发展较快,尤其是在市场经济条件下,种子经营流动性大,市场混乱,传染扩散快。2012年后发病面积逐年增加,危害程度逐年加重,特别是低热河谷小坝区杂交水稻发生严重,目前
Rice bacterial leaf streak is a bacterial disease distributed in the subtropical regions, mainly in southern China, central China and southwestern China [1]. In the 1990s, with the popularization of hybrid rice, the area of disease gradually expanded and the harm was aggravated, which was the object of domestic plant test. Lancang County began to sporadically discover in 1996 and has been developing rapidly in recent years. Especially under market economy conditions, the seed business has big liquidity, the market is chaotic and the spread of infection is rapid. After 2012, the area of disease increased year by year, the degree of harm increased year by year, especially in low-heat valley small dam hybrid rice serious, the current