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Characteristics of the Sweet Potato Variety Shuangwan No. 1

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The new sweet potato variety Shuangwan No. 1 was recently bred by the Sweet Potato Research Institute of the Chinese Academy of Sciences. This variety has stable genetic traits, green stems, heart-shaped leaves with toothed edges, and vines 1-1.5 m long. It sets tubers early and in a concentrated manner; the tubers are long cylindrical, with dark purplish-red skin that is smooth and attractive, and pure white flesh. It has strong tuber-setting ability, and the tubers are moderate in size with good uniformity. The starch content is 24%-28%, and the starch is extra white and high quality. For spring sweet potatoes, plant 3000-3500 plants per 667 sq m (1 mu), with a yield of 4000-9000 kg; for summer sweet potatoes, plant 3500-4000 plants, with a yield of 30

The new sweet potato variety Shuangwan No. 1 was recently bred by the Sweet Potato Research Institute of the Chinese Academy of Sciences. This variety has stable genetic traits, green stems, heart-shaped leaves with toothed edges, and vines 1-1.5 m long. It sets tubers early and in a concentrated manner; the tubers are long cylindrical, with dark purplish-red skin that is smooth and attractive, and pure white flesh. It has strong tuber-setting ability, and the tubers are moderate in size with good uniformity. The starch content is 24%-28%, and the starch is extra white and high quality. For spring sweet potatoes, plant 3000-3500 plants per 667 sq m (1 mu), with a yield of 4000-9000 kg; for summer sweet potatoes, plant 3500-4000 plants, with a yield of 3000-5000 kg.

This variety is tolerant of fertilizer, tolerant of poor soil, and tolerant of storage, and is highly resistant to the three major sweet potato diseases. Sowing period: spring planting from March 15 to April 15, summer planting from May 15 to June 15.

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