Sichuan taro early (potato)
Breeding unit: crop Research Institute of Sichuan Academy of Agricultural Sciences.
Approval: it was approved by Sichuan crop Variety approval Committee in 1991 and by the National crop Variety approval Committee in 1998.
Variety registration number: national examination potato 980002.
Variety source: 7032mi 2X swallow.
Characteristics: the plant height is about 58 cm, the plant is semi-erect, there are 4 branches, the Corolla is white, the leaf is oval, the potato piece is oval, the potato grain is yellow, the potato meat is yellow, the bud eye is shallow, and the taste is excellent. The crude protein content is 2.65%, the starch content is 12.71%, the reducing sugar is 0.4%, the vitamin C content is 15.6 mg / 100 g fresh potato, the drying rate is 19.96%, the large potato rate is more than 85%, the potato skin is smooth, and the commodity is good. The growth period is about 70 days, resistant to PVY and PLRV, the incidence of bacterial wilt is 4.6%, the dormancy period is short, and the general yield of fresh potato is about 1450 kg per mu, which can be used as a variety for fresh food and food processing.
Main points of cultivation: the density is about 5000 plants per mu, sowing whole potatoes with 30m / mu 50g, pay attention to prevent bacterial wilt.
Suitable scope: the southwest potato area and the Yangtze River Basin are cultivated in spring and autumn, and vegetables are planted in the suburbs.
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High-yield cultivation techniques of Spring sowing Potato
Potato has the characteristics of rich nutrition, both grain and vegetable use, high yield and high efficiency, and short growth period. In recent years, with the adjustment of agricultural structure, the planting area of potato has increased year by year. The main high-yield cultivation techniques are as follows: the improved varieties of potato in our province are selected in the second season of spring and autumn, and the early-maturing varieties with early tuber setting, tuber expansion, short dormancy period, high yield, high quality and disease resistance, such as Yu potato No. 1 and Yu potato No. 2, should be selected. These varieties are preferably virus-free potato seeds, with early emergence of virus-free potato seedlings, strong plants, hypertrophic leaves and roots.
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Sichuan taro 56 (potato)
Variety source: it is a crop of Sichuan Academy of Agricultural Sciences, so potato 36mur150 is selected as female parent and "Swallow" as male parent. Characteristics: the variety is precocious and the whole growth period is about 105 days. The dormancy period is short and the yield is good. The plant is short, spreading in shape, and the plant height is about 50 cm. The compound leaves are larger, with 4 pairs of lateral leaflets, arranged more closely, and less auricles. Corolla white, with yellow-green star-shaped color wheel, inflorescence compound two-branched, each inflorescence 4mur6, up to 13. Few blossoms
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