据营口县旗口乡农业站时景德报道:该地区在水稻秧田期使用敌克松防治侵染性立桔病已经有十多年的历史,但因长期单一施用一种药剂,使病菌生理小种发生了改变,即产生了抗性,致使效果极不理想,近几年病变率逐步上升。寻找新的有效药剂势在必行,为此,他们连续三年做了“关于瑞毒霉防治水稻立枯病的试验”。 Jingkou, Qikou Township, Yingkou County, according to Jingde Report: The region in the rice seedling stage of the use of fleece-flea control of infested citrus disease has more than 10 years of history, but the long-term single application of a drug, so that the bacteria physiology Species have changed, that is, have a resistance, resulting in very unsatisfactory results, the disease rate in recent years and gradually increased. It is imperative to find new and effective pharmaceuticals. For this reason, they have done “Test on Rising Blight against Rice Blight” for three consecutive years.