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What is the Potato Leap Forward? A comprehensive guide in one article

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Variety origin: In 1958, the Baishang Agricultural Science Research Institute of Zhangjiakou Prefecture, Hebei Province, crossed "Epoka" as the female parent with "Xiaoyezi" (Beijing Xiaohuang) as the male parent; in 1966 it was bred, named and began to be promoted, and was recognized as a national-level variety by the National Crop Variety Approval Committee. Main traits: upright plant type, relatively many branches, plant height about 70cm, green stems, strong growth vigor: dark green leaves, large compound leaves, 3 to 4 pairs of lateral leaflets; inflorescence peduncle green, slightly tinged with purple, flower stalk

Variety origin: In 1958, the Baishang Agricultural Science Research Institute of Zhangjiakou Prefecture, Hebei Province, crossed "Epoka" as the female parent with "Xiaoyezi" (Beijing Xiaohuang) as the male parent; in 1966 it was bred, named and began to be promoted, and was recognized as a national-level variety by the National Crop Variety Approval Committee.

Main traits: upright plant type, relatively many branches, plant height about 70cm, green stems, strong growth vigor: dark green leaves, large compound leaves, 3 to 4 pairs of lateral leaflets; inflorescence peduncle green, slightly tinged with purple, flower stalk node colorless, corolla light purple, corolla large, with double petals, stamens orange-yellow, stigma 3-lobed, able to set fruit naturally; berries green, with seeds; tubers elongated oval, skin and flesh both smooth, tubers relatively uniform, tuber set relatively concentrated; semi-light-sprouted young sprouts have a round base, purplish-red, few hairs; tubers have a short dormancy period, medium storability. Late-maturing, growth period about 120 days; steaming quality medium, suitable for vegetable use; processing quality: dry matter 21.2%, starch about 14%, reducing sugar 0.34%, crude protein 1.1%, vitamin C 19.5mg/100g; the plant is highly resistant to late blight, the tubers are disease-resistant, resistant to ring rot and blackleg, slightly susceptible to leafroll virus disease, relatively resistant to mosaic virus disease, and prone to secondary growth of sprouts when the soil is dry; yield over 1500kg per 667 sq m.

Suitable planting areas: suitable for planting in the single-crop region of North China; mainly distributed in Hebei, Inner Mongolia, Shaanxi and other provinces and regions.

Key points of cultivation techniques: this variety's tubers grow and expand quickly, suitable for planting in fertile irrigated land; suitable density 3000 to 3500 plants per 667 sq m; because the tubers are large and the skin tender, care should be taken to prevent bruising when harvesting and storing in cellars.

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