Sweet Potato Variety Xiangfu 1
Xiangfu No. 1 was bred by radiation mutagenesis with Yushu King as female parent and Yashu No. 1 as male parent.
The stem is short and thick, the leaf blade is entire, not engraved, heart-shaped. The stem part has many branches, the stem and leaf growth potential is strong, the tuber is concentrated, the tuber rate is high, and there are five or six tubers per plant. The output of spring potato is as high as 6 tons per 667 square meters, and 10 tons per 667 square meters in small demonstration. In 2006, Fengshuqing in Xiangtan City planted 9.8 hectares of Xiangfu No. 1 and harvested 735 tons of sweet potatoes, with an average yield of 5 tons per 667 square meters. The heaviest single plant reached 4 kg. 22 hectares of autumn potato was planted on July 20, with an average yield of 667 square meters of 4.8 tons, and the heaviest single plant reached 3 kg.
Fresh potato contains about 30% starch. In 2001, tested and analyzed by China Agricultural University, the starch was as high as 33.1%, and the sun-drying rate was about 45%. At present, it has the highest starch content and drying rate of fresh potato. The variety is fertilizer-tolerant, drought-tolerant and adaptable, and can be planted in Hunan, Hubei, Jiangxi, Guangdong, Guangxi and Sichuan.
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Sweet Potato Variety-Xiangshu 18
This variety was selected by Hunan crop Research Institute. It was approved by Hunan Province in 2007 (variety approval number: XPD014-2007), which is suitable for planting in Hunan Province. Characteristics: medium vine type, top leaf light green, leaf green, leaf vein green with light purple, leaf deep re-engraved, stem green, 10 branches per plant; tuber early, neatly concentrated, four or five tubers per plant, tuber spinning shape, red potato skin, yellowish-white potato meat, high commodity rate; good sprouting ability, strong stem and leaf regeneration ability, fertilizer and water tolerance
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Sweet Potato Variety Shuangwan No.1
The new sweet potato variety Shuangwan 1 is newly bred by the Institute of Sweet Potato, Chinese Academy of Sciences. The variety is genetically stable, the stem is green, the leaf is heart-shaped with teeth, the vine is 1.5 meters long, the tuber is early and concentrated, the tuber is long tube-shaped, the potato skin is dark purplish red, the skin is smooth and beautiful, the meat is white, the tuber power is strong, the potato block is moderate in size, the uniformity is good, the starch content is 24%, the starch content is 28%, and the starch is extra white and high quality. Spring potato planting 3500 plants per 667 square meters (1 mu) and summer potato planting 3500 trees per 667 square meters (1 mu) with a yield of 4000 kg, while summer potatoes with a yield of 3500 trees per 667 square meters (1 mu) with a yield of 4000 plants and a yield of 30%.
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