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北方七省、区马铃薯环腐病座谈会在内蒙集宁市召开,座谈会期间,各省区代表分别介绍了他们地区广大贫下中农和科技人员,在三大革命运动中与马铃薯环腐病斗争的经验,现综合如下: 一、建立无病留种田。这是防治马铃薯环腐病最重要的一环。主要的方法是,每年选马铃薯播种面积的10～15％为种子田,种子田采用无病小整薯(30克～50克)播种,出窖严格挑选,除去病薯,田间严格拔除病株,单收单藏,经三年就可压低发病率到5％以下,可增产40～60％。
During the symposium, representatives of provinces and autonomous regions introduced the experience of the poor and middle peasants and their scientific and technological personnel in their respective regions and struggles against potato ring disease in the three major revolutionary movements. , Are summarized as follows: First, the establishment of disease-free stay farming. This is the most important part of the prevention and control of potato ring rot. The main method is to select 10-15% of the sown area of potato annually as the seed field. The seed field is planted with the disease-free small whole potato (30-50g), and the cellars are strictly selected to remove the diseased potato. The diseased plants are strictly removed in the field , Single receipt alone, after three years can reduce the incidence of less than 5%, yield 40 to 60%.