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 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 resistance.
Yield performance: the average yield of fresh potato is 2338.6 kg and starch content is 15% per 667m2 in multi-site test in the whole province.
Key points of cultivation: sowing potato seedlings in the first and middle of March in Changsha area, and planting summer potato in the middle and late May. The density is 5000 plants per 667m2. Apply sufficient base fertilizer, and the base fertilizer is mainly organic fertilizer. Appropriate application of more nitrogen fertilizer to promote stem and leaf growth, timely topdressing and spraying water after picking seedling plots, and timely ploughing, weeding, soil cultivation and control of diseases and insect pests after planting seedlings. Picking begins from 30 to 40 days after planting, and the long vines after picking leaves should be pruned in time to ensure early branch growth and rapid growth. Key points of seed production techniques: potato cubes are used to raise seedlings, cut seedlings and transplant to propagate seed potatoes in the field. Seed potatoes should choose potato pieces with no wound, no diseases and insect pests, smooth potato skin and good appearance. If you use summer and autumn potatoes as seed potatoes, it is best to use autumn potatoes to keep seeds. The plots with good fertility, convenient drainage and irrigation, no sweet potato and no sweet potato diseases and insect pests should be selected as seed potato fields.
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Sweet Potato Variety-Xinpu Liu
Approval No.: Yue Shu 2006003 breeding Unit: Puning Institute of Agricultural Sciences Variety Source: Pushu No. 6 / Pushu 17-1 characteristics: late-maturing varieties. The plant type is semi-erect, the vine length is medium, the top leaf color is green and the leaf margin is purple, the leaf heart shape is toothed, the leaf vein is light green, the stem is light purple, the tuber is concentrated, the number of tuber per plant is medium, the potato shape is long spinning, the potato skin is yellow, the potato meat is yellow, the beauty is good, the sprouting ability is excellent, and it is resistant to storage. The dry matter rate is 27%, the taste score is 75.3 points, and the starch rate is 16.55%. Indoor Wada
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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 planted 9.8 hectares of Xiangfu No. 1 in Xiangtan City and harvested 735 tons of sweet potatoes, an average of 667 square meters.
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