• Categories:Potato
  • Time of issue:2019-12-04 00:00:00
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Sweet Potato Introduction

Sweet potato, also known as sweet potato, sweet potato, potato, etc., is native to tropical regions of the Americas.

Lin Huailan, a native of Meijing Town, Wuchuan City, Zhanjiang City, Guangdong Province,
brought sweet potato seeds back to China from Vietnam during the Ming and Wanli years.

Chen Yi, a native of Beizha, Dongguan,
was introduced to Guangdong, China from Luzon (now the Philippines) , a Spanish colony at the time in the Wanli of the Ming Dynasty (1582) .

Chen Zhenlong, a native of Changle, Fujian,
was brought back from Luzon to China in May 21, Wanli (1593).

Origin and spread

JB Edmond and others believe that sweet potatoes originated in Mexico and tropical America from Colombia, Ecuador to Peru. Humboldt was quoted by A.von Humboldt as saying that when Columbus first met the Queen of Spain, he dedicated the sweet potatoes brought back from the New World to the Queen. At the beginning of the 16th century, sweet potatoes were commonly grown in Spain. Spanish sailors carried sweet potatoes to Manila and Moluccas in the Philippines, and then to Asia.

Sweet potatoes were introduced to China through multiple channels, dating around the end of the 16th century. The Ming Dynasty Book, the Book of Agricultural Administration, the Qing Dynasty Book, and the Book of Fuzhou all have relevant records. In Qing Dynasty Chen Shiyuan's "Golden Potato Biography Records", he quoted "Recording Minhou Hezhi": "Sweet potatoes are used to grow Luzon overseas. During the Ming and Wanli years, Chen Zhenlong of the Fujian people traded and obtained vine seedlings and planting methods into China. It was a drought in middle Fujian Hungry. Zhenlongzi Jinglun Bai Yufu governor Jin Xue once ordered the trial to be a great harvest, which can fill half of the grain. It was planted and planted in a sure place. "It was also said:" Sweet potato. It was first planted with Golden Gong, so it was called Golden Potato. "According to: Chen Zhenlong 6th grandson Chen Shiyuan and his son Chen Yun, successively planted sweet potato in Luzhou (Ningbo, Zhejiang), Jiaozhou, Qingzhou (Shandong Province, Qingdao, Yi Around the capital), Yuzhou (the area around Zhuxian Town, Henan), and gradually spread throughout Zhejiang, around the time of the Qianlong period of the Qing Dynasty. The above historical facts prove that the sweet potato line was introduced into Fujian, Guangdong, China from the South China Sea in the late 16th century, and then spread to the Yangtze River, the Yellow River Basin, and Taiwan Province. At present, China's sweet potato planting area and total output occupy the first place in the world.

Variety introduction
The Institute of Materials of the Chinese Academy of Tropical Agricultural Sciences has collected and introduced more than 100 new sweet potato germplasm at home and abroad. It is a pilot project in the southern part of the new sweet potato variety in the country. Now it is screening and promoting some high-yield and high-quality new edible and high-yield forage varieties. In the case of pests and diseases, the average yield of fresh potatoes per mu planted for 4 months can reach 2-3 tons. In the future, we will continue to introduce new domestic and foreign high-yield, high-quality and specific sweet potato varieties. Through trial and extension methods such as "farmer participation", "technology-based household registration", "scientific research + government", and "scientific research + enterprise", we will establish various forms of A cooperative promotion network composed of agents and agents to accelerate the promotion and industrialization of new sweet potato varieties and technologies.
  • Xinnong No. 1
    was selected by our center in 1999. This variety has large leaves, deep cuts, top leaves purple-red, 1 meter long, does not turn over for life, concentrated potato, large and neat potato pieces, light red skin, yellow and white meat, high starch content, and sugar content up to 15%, sweet and delicious noodles, a combination of varieties, spring potato yield per mu can reach 7000 kg, summer potato yield per mu is 3,500 kg.
  • Xinnong 4
    is a ternary cross of Beijing 553.S52-7. Japanese golden potato. It inherits the high quality of Beijing 553, the high yield of S52-7, the nutrition of Japanese golden potato and the beautiful appearance of potato. The leaf shape is pentagonal, the leaf color is dark green, and the vine is 50-80 cm long (extra short vine). It has pink flowers. The potato type is a long spindle. Yields can reach about 10,000 kg, drought and fertilizer resistance, and barren resistance. High soluble sugar and vitamin sugar content, cooked food has sweet noodles and strong aroma, and is an excellent variety for fresh food, steaming and roasting and processing of sweet potatoes.
  • Sushu No. 8
    A new sweet potato variety with extremely high yield, early maturity and disease resistance, which was selected from Hongpi Sushu No. 8. Features: short vine type, average vine length 70-80cm, concentrated potato, smooth surface, yellow-brown skin color, orange-orange flesh, spring potato yield 15,000 kg per mu, summer potato more than 7,000 kg, sugar content 13.4%, dry The rate is 23%, and the quality is excellent. Both raw and cooked food are available.
  • The
    top leaf of Beijing 553 is purple, the leaves are green, and the leaf shape is lightly nicked. The plant type is stingy, the stem color is green with purple, the stem is stout, and the length is 2.53 meters. There are many branches at the base part. , Flesh-colored apricot. Good germination, fresh potato output of 6,000 kg, cut dry rate of 25%, potato early, swelling fast, neatly concentrated, more resistant to dark spots and stem nematode disease, drought and fertilizer resistance, and barren resistance. Cooked foods are soft and sweet, raw foods are crispy and sweet, and steamed and roasted. They are the main varieties of processed sweet potatoes.
  • Japanese golden potato
    introduced from Japan. The leaves are pentagonal, dark green in color, about 70 cm long, orange- yellow , dark red meat. Features: Special resistance to heavy crops, high disease resistance, high vitamin content, excellent taste, yield per kilogram per mu, is the current sweet potato treasures.
  • Xinong 431
    belongs to the early-maturing type of roasted potato, which was cultivated by Professor Zhu Guangjun of Northwest Agricultural University. The middle vine is 11.5 meters long and has 57 branches. The stems have indefinite stems and few roots. The potato pieces are spindle-shaped, the skin is smooth, orange-yellow, dark orange-red, the taste is sweet and sweet, and the taste is excellent. The adaptability is strong. Spring potato yields 8,000 kg per mu and summer potato yields over 4,000 kg per mu.
  • Xinyin No. 1
    This variety was newly introduced by Xinle Xinnong Potato Industry Center in 2005. It has high yield and high dry taste, with an yield of 7000-8000 kg per mu. Potato-spindle-shaped, potato skin purple, potato light yellow, cut-to-dry rate 33%, 3 percentage points higher than Xushu 18. The leaves are heart-shaped with teeth, and the leaves are apical. The stems are green, with many branches, long stems, strong growth, and good drought resistance. Many potatoes are concentrated and can be planted in spring and summer. The cooked sweet noodles have a strong aroma, and the variety has good adaptability. It does not choose soil and has a wide range of suitability.
  • Detoxified Xushu 18
    leaves green, leaf-shaped heart-shaped to lobed complex nicks, plant type 匍匐, stem color green with purple, stem thick, 22.5 meters long, many branches at the base, potato-shaped long spindle, skin color purple red , White meat. The cut dry rate is 30%, the potato is neat and concentrated, resistant to root rot, drought and fertilizer resistance, and the yield per mu is about 6,000 kg.
  • Featured varieties-American special short vine black potato.
    This potato has a spindle type. The skin of the potato is reddish black, and the meat is purple and black. The color is darker than "Chuanshan purple". When cooked, it becomes black. It is twice as high as other sweet potatoes and has a high selenium content. It is an anti-cancer food with an output of about 6,000 kg per mu.

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