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为了检验高温育苗及温水浸薯块防治甘薯黑斑病的实际应用效果,并总结在大面积生产上推广应用的经验,河北省农业科学院植物保护研究所于1964年在新乐县宋村建立了防治甘薯黑斑病的专题基点。宋村大队种植甘薯750亩,共建立了五十一个甘薯苗床。该队出窖病薯率最高为39.75%,最低1.4%,二十四个窖平均为16.15%。五十一个苗床上床病薯率最高16%,最低0.6%,平均为4.38%。苗床有顿水顿火炕、中心煤火炕、
In order to test the practical application effect of high temperature seedling and warm water potato tuber preventing and curing sweetpotato leaf spot and summarizing the experience of popularization and application in large area production, Plant Protection Institute of Hebei Academy of Agricultural Sciences was established in Song Village, Xinle County in 1964 Prevent sweet potato black spot thematic basis point. Song Village brigade planted 750 acres of sweet potato, a total of 51 sweet potato seedbed. The team cellar disease potato highest rate was 39.75%, the lowest 1.4%, 24 cellar average 16.15%. Fifty seedbed bed disease potato rate of up to 16%, the lowest 0.6%, an average of 4.38%. Seedling bed with Dunhuang kang, the center of coal kang,