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完成了紫色甘薯品种在大兴地区的引进筛选试验,以当地常规品种紫罗兰为对照,筛选出品质、产量效益较好的品种有浙紫1号、徐038008和京薯20号。产量结果表明:浙紫1号、徐038008与对照增产差异达到显著性水平,京薯20号与对照增产差异不显著。效益结果显示:按3元/kg计算,浙紫1号、徐038008效益居前两位,分别比对照增效32.28%和31.39%,京薯20号比对照增效1.03%。
The introduction and screening test of purple sweetpotato varieties in Daxing District was completed. The varieties with good quality and good yield were screened by the local common variety Violet. There were Zhejiang purple No.1, Xu038008 and Beijing potato20. The yield results showed that the difference between Zhezhao 1 and Xu 038008 and the control increased significantly, but there was no significant difference between CK and CK. The results showed that the efficiency of Zhejiang purple No.1 and Xu 038008 was 32.28% and 31.39% higher than that of the control respectively, and the efficiency of 1.03% of Beijing potato was 20% higher than that of the control.