Longshu No. 5

Characteristics: the growth period (from emergence to maturity) is 120 days, the dormancy period of potato is long, and it is a late-maturing variety. The plant type is semi-erect, the plant height is 60cm to 70cm, the seedling grows strongly, the plant is luxuriant, the stem is green, the leaf is dark green, the Corolla is white, the natural is not strong. Tubers are concentrated, there are 3 to 5 tubers per plant, the tubers are large and neat, and the rate of large and medium potatoes is more than 95%. Potato pieces oval, yellowish skin, yellowish meat, deep bud eyes. The storage resistance is slightly poor. High resistance to late blight. In the regional trial, the yield per mu was 1598.3 kg, an increase of 39.2% over the control.

Suitable range: suitable for planting in arid areas, cold, damp and Eryin areas.

Cultivation points: the general planting density is 4500 plants / mu, and the early and thin land is about 3000 plants / mu. Sowing seeds before sowing, cutting and planting at the same time, do not pile up for a long time after cutting, appropriate deep planting of high soil, early application of topdressing, early promotion of rapid management.