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. The amount of flowering is small, the amount of pollen is large, and the stem is stout, which is suitable for intercropping. The shape of potato is large, oval, yellow skin and yellow meat, shallow bud eyes, and the edible quality is better than that of "no epidemic".

Adapt to the region and yield level: suitable for cultivation in the mountainous and semi-mountainous areas of our city, and suitable for interplanting with corn. The yield per mu of demonstration planting in a large area is more than 1000 to 2000 kg.

Main points of cultivation:

As the dormancy period of this variety is short, it is best to use autumn sowing and replanting. Sprouting treatment should be carried out when autumn potato is sown in spring. Rotation and cultivation should be adopted when planting in bacterial wilt area. Select seed potato and cultivate whole potato. Cut into pieces for cultivation, the cutter must be strictly sterilized. Potato planted in spring was sown from the first and middle of February to the first ten days of March. Autumn potato is sown from mid-August to early September. Net cropping should plant about 6500 plants per mu, intercropping about 2500 plants, applying 1500 kg of farm manure per mu, 25 kg of superphosphate as base fertilizer, and proper application of pig manure water at seedling stage. Pay attention to weeding and disease prevention.