Potato Plateau No. 8
Main characters: plant type erect, less branched, plant height about 80cm, stem green with light purple, strong growth potential; leaves green, hairy, compound leaves large, leaf margin spreading, lateral leaflets 3-5 pairs, closely arranged Inflorescence peduncle light green with a small amount of purple spots, colored petiole nodes, Corolla light purple, colorless tip, medium size, no double, stamens orange-yellow, stigma 3-lobed, style longer, ovary section colorless, medium amount of pollen, natural fruiting; berries green, small, seeded; tubers large and neat, bud eyes deep, few, tubers concentrated. The base of semi-light buds is round and purple, and the top is obtuse and light purple with many pilose hairs. The tuber has a short dormancy period and is resistant to storage. Late maturity, more than 120 days of growth days; medium steaming quality of tubers; additive quality: 18.8% of dry matter, 12.4% of starch, 0.47% of reducing sugar, 1.19% of crude protein, vitamin C13.4 mg/100g; is more resistant to late blight, black shank disease and leaf roll virus disease, and is more resistant to drought; 667 square meters of 20000~2500kg is produced in irrigated land on the northwest plateau and about 1500kg per 667 square meters of dryland.
Suitable for planting areas: suitable for cultivation in northwest China; mainly distributed in Qinghai Province, Gansu and Ningxia provinces.
Key points of cultivation techniques: the suitable density of this variety is 3200 plants per 667 square meters in irrigated land and 3500 plants in dry land; cultivate soil in time to reduce tuber exposure and reduce quality, do not hurt young potatoes when cultivating soil.
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How is the root system of potato distributed?
The root of potato planted with tuber is whisker root, there is no straight root; potato seed planting is divided into main root and lateral root, here we mainly talk about fibrous root system. Potato is a shallow root crop, most of the root system is distributed in the soil surface 40 cm, generally no more than 70 cm, in sandy soil, the root depth can also reach more than 1 meter. The root system of early-maturing varieties is generally not as developed as that of late-maturing varieties, and the root distribution of early-maturing varieties is shallow, while that of late-maturing varieties is wide and deep.
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Potato Plateau No. 7
Variety source: Qinghai Academy of Agricultural and Forestry Sciences used "Gaoyuan No. 4" as female parent and "Gaoyuan No. 3" as male parent in 1967, bred and named in 1972, began to popularize in 1973, and continued to be popularized by Qinghai crop Variety approval Committee in 1978. Main characters: plant type erect, plant height about 80cm, stem green growth potential; leaves green, compound leaves large, lateral leaflets 4-5 pairs; inflorescence peduncle light green, Corolla white, stamens yellow, stigma 3-lobed, petiole nodes colorless and naturally sterile: tubers oval.
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