Potato leaping forward
Variety source: Bashang Agricultural Science Research Institute of Zhangjiakou Prefecture, Hebei Province, used "Epoka" as female parent and "Xiaoye" (Beijing Xiaohuang) as male parent in 1958. It was bred and named and popularized in 1966. It was recognized as a national variety by the National crop Variety examination and approval Committee.
Main characters: plant type erect, more branched, plant height about 70cm, stem green, strong growth potential: leaves dark green, compound leaves large, lateral leaflets 3-4 pairs; inflorescence peduncle green, tinged purple, flower stalk node colorless, Corolla light purple, Corolla large, double, stamens orange, stigma 3-lobed, can bear fruit naturally; berry green, with seeds The tuber is long and oval, the flesh is smooth, the tuber is neat, tuber is more concentrated; the base of semi-light bud is round, purplish red, less fluffy; the dormancy period of tuber is short and the storability is medium. The processing quality: 21.2% of dry matter, 14% of starch, 0.34% of reducing sugar, 1.1% of crude protein, high resistance to late blight, tuber resistance, ring rot and black shank resistance, light susceptibility to mosaic virus, higher resistance to mosaic virus, and secondary striping in soil drought. The output of 1500kg is more than 667m2.
Suitable for planting areas: suitable for planting in North China in one season; mainly distributed in Hebei, Inner Mongolia, Shaanxi and other provinces.
Key points of cultivation techniques: the tuber of this variety grows fast and is suitable for planting in fertile irrigated land; the suitable density is 667 square meters and 3000m ~ 3500 plants; because the tuber is large and the skin is tender, bruising should be prevented when harvested in the cellar.
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Technical methods of Potato cultivation
First, catch early before snatching and get ready. The first is the choice of stubble, the first stubble is corn and wheat, the second is soybean and sorghum, and the beet stubble is the worst. The second is the selection of plots, such as soft soil, high content of organic matter, deep soil layer, drought and waterlogging resistance, good fertilizer and water conservation, and suitable for tuber growth. The third is to straighten the ground, the main depth is about 25 cm, so that the leveling and raking fine, the upper solid and lower virtual, is conducive to the formation of tubers, good stem shape, and increase the yield. Fourth, rational fertilization, and organic fertilizer is the main base fertilizer.
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Techniques of raising Potato seedlings
Potatoes like a cold climate. Seed potato is often used as sowing material in production, but seed is also used for sowing production. For potato seed breeding, the suitable temperature for seed germination is 21 ℃ 23 min, which can begin to germinate in 5 days, while at lower temperature, it takes about 10 mi 20 days to prolong germination time. -the sowing rate is 5ml / mu, and the seedling age is about 60 days. The management is basically the same as eggplant fruit vegetables. The main seedling breeding methods of seed potato (tuber) are whole potato propagation, slicing propagation, seedling dissolving propagation and so on. Potatoes
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