论文部分内容阅读
水稻白叶枯病俗称着风,过火风,白叶瘟等,是一种毁灭性检疫性病害。一旦传入,蔓延迅速,很难根治。据调查,该病可使水稻一般减产10%~30%,严重的减产50%以上,甚至颗粒无收。我县是水稻白叶枯病老发区,每年都有一定面积遭受不同程度的危害,为解决这一生产难题,1997?
Rice bacterial blight commonly known as the wind, over the wind, white leaf plague, is a devastating quarantine disease. Once introduced, spread rapidly, it is difficult to cure. According to the survey, the disease can generally reduce rice yield by 10% to 30%, a serious reduction of more than 50%, or even crop failure. My county is the old area of rice bacterial leaf blight, every year a certain area suffer different degrees of harm, in order to solve this production problem, 1997?