Abstract:
Longshu 232 was bred by Longyan Institute of Agricultural Sciences through natural hybridization by using Yanshu No.5 as the female parent. In 2024, it was passed the national non-major crop variety registration, with the registration number of GDP Sweet Potato (2024) 3500029. Longshu 232 was a new variety of fresh-eating sweet potato with high quality and red heart. The growth period was about 135 days. The tuber was long spindle-shaped, with red peel and orange tuber flesh. The dry matter rate of potato tuber was 26.14%, and the flour yield was 16.38%. The tuber tasted fragrant and sweet with delicate meat and less fiber. It was resistant to wilt disease, susceptible to potato blast disease; medium resistance to sweet potato black spot disease, medium resistance to sweet potato root rot disease, and resistant to stem nematodes disease. It was suitable for being planted in Fujian Province, especially in the sandy coastal areas.