大麦是我市夏熟作物主要种类之一，常年种植３３万亩，以二棱大麦为主。近年条纹病日趋严重，据调查１９９６年全市病穗率平均１２．８６％，１９９７年１９．３２％，部分田块高达５０％以上，严重威胁着大麦产量的提高，为摸清其发病原因，积极采取防治对策，于１９９７... Barley is one of the main types of summer ripening crops in our city. It is planted 33 million mu year-round, dominated by two-rowed barley. In recent years, stripe disease is more and more serious. According to the survey, the incidence of diseased spikes in the whole city in 1996 was 12.86% on average, 19.32% in 1997 and 50% in some plots, which seriously threatened the increase of barley yield. Actively take prevention and control measures, in 1997 ...