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), with a yield of 4000m3 9,000 kg, and summer potato planting 3500Lue 4000 plants with a yield of 3000Lill 5000 kg.
This variety is resistant to fertilizer, barren, storage and high resistance to three major potato diseases. Sowing time: spring planting March 15-April 15, summer planting May 15-June 15.
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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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Sweet potato variety-- sl-9
SL-9 is the latest new variety introduced from the United States, medium and short vine type, leaves entire, intact, heart-shaped. Leaves, veins dark green, potato-shaped spindle-shaped, deep red potato skin, white potato meat. The tubers are early and concentrated, the tuber rate is high, and the tubers are uniform. There are five or six tubers per plant. The average yield of spring potato is 7.8 tons per 667 square meters, the highest is 8.9 tons, the average yield of summer potatoes is 4.5 tons per 667 square meters, and the highest yield is 5.05 tons per 667 square meters. Contains 2.7% sugar, 1.34% crude protein and 1.1 fiber.
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