福建甘薯（紫薯）新品种区域试验宁德试点初报

[目的]筛选适合宁德种植的甘薯（紫薯）新品种，为优良甘薯（紫薯）新品种在宁德地区的生产及育种应用提供科学依据。[方法]以金山57为对照，2013年在宁德市福安溪柄镇进行甘薯新品种区域试验，对9个参试甘薯新品种进行产量测定和品质鉴定。[结果]9个参试品种中，鲜薯产量较对照增加的品种有4个，依次为龙津薯1号、龙津薯3号、福宁紫4号和福薯404，其中龙津薯1号鲜薯产量最高，为43875．00 kg／hm2，比对照增产46．25％；薯干产量较对照增加的品种有4个，依次为龙津薯1号、福宁紫4号、福薯404和龙津薯3号，其中龙津薯1号薯干产量最高，为9515．03 kg／hm2，比对照增产27．21％；薯块品质以福薯404最好，干物率26．41％，熟食味好（81．5分），外观好（85分），福宁紫4号次之。[结论]龙津薯1号、福宁紫4号、福薯404和龙津薯3号这4个品种综合表现较好，适宜在宁德地区推广种植。

The Preliminary Report on Regional Trial of Fujian New Sweet Potato Varieties (Purple Sweet Potato) in Ningde

Objective] The present experiment was conducted to select new potato varieties (purple sweet potato) suitable for planting in Ningde, which aimed to provide references for the production and breeding applications of fine sweet potato varieties( purple sweet potato) in Ningde.[ Method] With Jinshan 57 as the control, the yield and quality of 9 tested new sweet potato varieties were determined in Xibing Town, Fuan City in 2013.[Result] Four out of nine tested varieties, namely Longjinshu 1, Longjinshu 3, Funingzi 4 and Fushu 404, pro-duced higher fresh yield than the control.Among them, the fresh yield of Longjinshu 1 ranked first (43 875.00 kg/hm2), which was 46.25%higher than that of the control.Four out of nine tested varieties, namely Longjinshu 1, Funingzi 4 , Fushu 404 and Longjinshu 3, had better performance than the control in dry yield.Among them, the dry yield of Longjinshu 1 reached 9 515.03 kg/hm2 and ranked first, which was 27.21% higher than that of the control.The quality of Fushu 404 was the best with the dry matter content (26.41%) and good taste and ap-pearance quality, followed by Funingzi 4.[Conclusion] The varieties Longjinshu 1, Funingzi 4, Fushu 404 and Longjinshu 3 performed well in terms of comprehensive agronomic traits, suitable for planting in Ningde area.