Introduction of characteristic sweet potato varieties
Fruit potato-Eshu No. 3 was selected by Hubei Academy of Agricultural Sciences and has been identified and recognized by the Chinese Academy of Sciences and other units. Eshu No. 3 sweet potato has high nutritional value, delicate, crisp and tender meat, sufficient moisture, sweet and refreshing taste and unique flavor. It is an excellent variety for fresh food and food processing. Characteristics. The stem is green with purple, the leaf green, the leaf vein purple, the petiole base is thick purple, the potato piece is long spindle shape, the potato skin is dark red, the potato flesh is milky white. Medium emergence rate, strong growth potential, medium vine type, main vine length 150 cm. There are 3.8 tubers per plant. Resistant to stains, drought, strong adaptability, stamina, not premature senility. The average yield per mu is about 4000 kg. Main points of cultivation. Seedlings were raised in hot hotbed in greenhouse in the first ten days of March. In the first and middle of May, the row spacing was 60 cm × 22 cm, and 4000-4500 plants per mu. After harvest, Eshu No. 3 should store 20 murmur30 angel starch to decompose and convert into sugar. During storage, the indoor temperature is kept at about 13 ℃ and the relative humidity is 85%.
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Characteristic sweet potato varieties-Xinong 431 and Touxinhong
Xinong 431 is a new variety of fresh and roasted sweet potato cultivated by Northwest Agricultural University. it has medium and short vines, generally 1.5 meters in length, many branches in the basal part and heart-shaped leaves. Leaf color, leaf veins are uniform, light green. The tuber is early and concentrated, the tuber is spindle-shaped, the skin is smooth, the skin is orange, the flesh is orange, the dried potato is bright red, the food is sweet and sandy, the taste is good, and the flesh is easy to separate after ripening, which is very suitable for the processing of roasted potato and preserved potato. High resistance to stem nematode, black spot, waterlogging, storage and transportation. The average yield of spring potato is 5000 kg per mu and that of summer potato is 3500 thousand.
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Thai sweet potato variety Taihong 3
1. Variety source: this variety is a new sweet potato variety introduced from Thailand by Guangdong Academy of Agricultural Sciences. Second, characteristics: the leaves of this variety are heart-shaped, green, purple, stem nodes of moderate thickness, branches 8-10, vine length of about 1.5 meters, no need to turn seedlings. The variety is early and concentrated, and the good species are easy to manage, the tuber is good-looking, the flesh is easy to separate, contains 18% 20% starch and 7.3% sugar. The variety is resistant to drought and waterlogging, low temperature and high resistance to black spot. Third, the yield performance: according to the determination, this variety in 2000
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