Introduction, Screening and Quality Identification of High-quality Edible Sweet Potato Varieties in Putian City

In order to screen out the high-quality sweet potato varieties suitable for being planted in Putian City, the ten new high-quality edible sweet potato varieties with good comprehensive characters were introduced to carry out the comparative experiment with Guangshu 87 as the control group. Then, the indicators such as the characteristics, fresh-eating yield, dry matter yield, starch yield, appearance evaluation and eating quality of the varieties were comprehensively evaluated. The results showed that: Putuan 32 had good comprehensive performance in fresh sweet potato yield, dry matter yield and starch yield, and also had good appearance, good taste quality, so it was recommended to be planted and popularized in large area as a fresh-eating variety. The dry matter yield and starch yield of Pushu 12 were outstanding, the tubers were concentrated and neat, the appearance and taste quality were good, so it was recommended to be planted in large area as a starch-type variety. The yield of fresh sweet potato of Fushu 604 was outstanding, and the dry matter yield, starch yield, appearance and taste were also good. So it was suggested that Fushu 604 should be popularized as a fresh-eating and starch-type variety in large area. The overall performance of Quanshu 19 and Longshu 116 was moderate, so they were recommended to be planted as a matching variety, while the overall performance of the five varieties, such as Mashali, Hongyao, Jishu 26, Yanshu 25 and Longshu 601, was poor, and they were not recommended to be planted and popularized in Putian City.