I. Xu Shu 25
The starch-type cultivars developed by Jiangsu Xuzhou Sweet Potato Research Center are suitable for planting in northern Jiangsu in the northern potato region, in central and northern Anhui, in Henan, Shandong, Hebei, and Beijing.
This variety of potato has better germination, strong growth potential, medium long vines, and moderate branching. In general, there are 4-5 tubers per plant, and the rate of large and medium-sized potatoes is 76%. The potato pieces are spindle-shaped, red-white and white-fleshed, and the dried and white potato chips are of good quality. The tubers are more concentrated and neat and have a good taste. High resistance to root rot and stem nematode disease, black spot. The starch rate is 22%. In 2006, the average production test yielded 2531.3 kilograms of fresh potatoes, an increase of 3% compared with the control; the yield of dried potato was 899.3 kilograms, which was 22.8% higher than the control.
Second, Zheng potato 20
The edible varieties developed by the Institute of Food Crops of the Henan Academy of Agricultural Sciences and the sweet potato breeding base of Lucheng County of Henan Province are suitable for planting in Henan, Hebei, Shandong, Beijing, Shaanxi, northern Jiangsu, and central and northern Anhui in the potato areas of northern China. Should not be planted on the root rot.
The variety of potato fragility medium, short and medium vine, single tuber number of 5.4, potato spun spindle, yellow orange, middle early maturity, potato concentrating general, large medium and high rate, more resistant to storage, Moderate food taste. Anti-black spot and stem nematode disease, root rot. In 2006, the average production test yielded 2487.4 kilograms of fresh potatoes, an increase of 29.6% over the control, and yielded 594.7 kilograms of dried plums, an increase of 11.5% over the control.
Third, Sushu 11
The starch cultivars bred by the Institute of Food Crops of the Jiangsu Academy of Agricultural Sciences are suitable for planting in the central and southern Jiangsu, Jiangxi, Zhejiang, and Hubei in the Yangtze River Basin.
This variety of tubers has good sprouting ability, long vines, and 3-4 tubers per plant. The tubers are spindle-shaped, red-fleshed and white-fleshed, and the tubers are concentrated and neat. The rate of upper tubers is higher. Dry noodles and good quality. Resistant to root rot. Regional trials of sweet potato varieties in the potato region of the Yangtze River Basin in 2004-2005: average yield of 2092.4 kilograms per mu, 8.5% less than the control Nanshu 88; 643.9 kilograms of dried potato production, 5.1% increase over the control; 423.1 kilograms of starch per mu. Increased yield by 9% compared to the control.
Fourth, Wanshu 7
The edible varieties developed by the Chongqing Three Gorges Agricultural Research Institute are suitable for planting in Chongqing, Sichuan, Hubei, Hunan, Jiangxi, Zhejiang, and central and southern Jiangsu in the Yangtze River region.
This variety of potato tuber has good sprouting, 6-7 single tuber plants, short spindle-shaped potato tuber, pale red skin, orange-red meat, and concentrated tuber potatoes. The rate of upper tuber is more than 88%. Anti-black spot, good resistance to storage. In 2006, the production of sweet potato varieties in the potato region of the Yangtze River Basin produced an average yield of 2273.1 kilograms per mu, which was 22.1% higher than that of the control Nanshu 88; 65.36 kilograms of dried potato production per mu was 33.4% higher than the control; and 425.5 kilograms of starch per mu were produced. Increase production by 38.3%.
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