In order to achieve the renewal and diversity of sweet potato varieties in the arid area of Ningxia,23 sweet potato varieties at home and abroad were used as materials.Through comparative analysis of agronomic characteristics,biomass accumulation characteristics,yield,quality and cultural adaptability,it was concluded that eight varieties,Xushu 25,Sushu No.8,Anping No.1,Jishu No.26,Xushu 55-1,Annayu,Xushu 27 and Yanshu No.5,were early maturing varieties,and the best harvest time was in the middle of September;Among them,Xushu 28 and Yanshu No.25 can be harvested from mid September to early October,and other varieties are mid late maturity varieties,harvested in early October.Yanshu No.25 and Chuanshu have high yield(2 518 g and 2 295 g per plant respectively)and good comprehensive quality,which are recommended varieties for planting in northwest arid areas;Jishu No.26 and Xushu 55-2 have advantages in yield,soluble sugar content(3.32%and 3.25%,respectively)and selenium enrichment,which are suitable for developing fresh food varieties in this region;The yield of the two purple potato varieties is not high.Xuzi No.8 has low crude fiber content and is rich in selenium.Xuzi No.5 has high starch content.Yanshu No.25,Chuanshu,Jishu No.26 and Xushu 55-2 can be recommended as preferred cultivars of sweet potato for arid areas of Ningxia.
Sweet potatoOpen field cultivationAgronomic traitsAdaptabilityArid areas of central Ningxia
NETL
NSTL
万方数据
