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甘薯黑斑病是烟台地区甘薯较普遍的病害。在育苗期、栽植期和贮藏期,常因发病导致严重的烂种死苗。为了防治黑斑病的为害,1963年烟台专区农科所与福山县兜余公社农技站在该公社的南涂山大队,采用培育无病秧苗、建立无病留种地、安全贮藏的综合防治措施,进行了大面积的防治示范,取得了良好的效果。1964—1965年在此基础上,又在全公社的十七个大队及福山县作了全面推广,收到显著效果。现将几年来的试验、示范、推广的结果总结于下:
Sweet potato black spot disease is Yantai sweet potato more common diseases. In the nursery, planting and storage period, often due to the incidence of serious rotten dead seedlings. In order to prevent the damage of black spot disease, in 1963, Yantai Prefecture Agricultural Institute and Fushan County pocket Yu commune farm station in the commune of South Tushan brigade, the use of nurturing disease-free seedlings, the establishment of disease-free stay seed, a comprehensive safe storage Prevention and control measures, carried out a large area of prevention and treatment demonstration and achieved good results. On this basis from 1964 to 1965, it was further promoted in the 17 brigades of the entire commune and in Fukuyama Prefecture and received remarkable results. Now years of experiment, demonstration, promotion of the results summarized in the next: