What are the potato varieties suitable for double cropping?

What are the potato varieties suitable for double cropping? There are many potato varieties suitable for double cropping, all of which are early maturing type, short growth period, disease resistance and good quality. Such as Lu potato l, Lu potato 2, Fengshoubai, Zhengshu 2, Dongnong 303, Luyin l and so on.

1. Lu Potato No.1

Cultivated by vegetable Research Institute of Shandong Academy of Agricultural Sciences. The stem of the plant is stout, the branches are few, the plant type is erect, and the plant height is 60-70 cm. The compound leaves are large and dark green. The tuber is nearly round, the potato skin is smooth, the yellow skin is yellow, and the quality is good. The bud eyes are deeper, the tubers are concentrated, and the number of tubers is less. Precocious, about 60 days from emergence to harvest. The dormancy period is short and it is more resistant to storage. High resistance to mosaic virus, light susceptibility to mosaic virus. It is suitable for planting in the second season in the Central Plains.

two。 Dongnong 303

The Northeast Agricultural College has been cultivated and has been introduced and planted for many years. The plant type is erect and the number of branches is small. The plant height is about 50 cm. The stem is green and the growth is strong. The leaves are green, less hairy, the compound leaves are larger, the leaf margin is spreading, and the lateral leaflets are 4 pairs. Corolla white, stamens yellowish, can not bear fruit naturally. Tuber flattened-ovate, yellowish flesh, smooth epidermis. The tuber is medium-sized, neat, with many and shallow bud eyes and concentrated tubers. The tuber has a long dormant period and is resistant to storage. Dongnong 303 was very precocious, from emergence to maturity for 55 and 60 days. The plant is susceptible to late blight, resistant to ring rot, highly resistant to mosaic virus, lightly susceptible to mosaic virus, resistant to bunchy top disease and strong resistant to waterlogging. The average yield per mu is 1500-2000 kg. It is suitable for spring cultivation in the second season.

3. Luyin No.1

The vegetable Research Institute of Shandong Academy of Agricultural Sciences was selected from foreign introduction. The plant type is erect, the branch is few, the plant height is about 60 cm, the stem is lilac, the growth potential is strong. The leaves are green, the hairs are medium, the compound leaves are large and drooping, the leaf margin is light microwave, and the lateral leaflets are arranged sparsely in 3-5 pairs. Corolla large, purple, strong natural fruit; dark green berries, a large, seeded. The tuber is long oval, the top is round, the skin is yellowish, the flesh is bright yellow. The tuber is large and neat, the epidermis is smooth, and the bud eyes are few and shallow. The tuber is concentrated, the tuber expands quickly, the dormancy period of tuber is short, and it is more resistant to storage. Luyin No. 1 matured precociously, about 60 days from emergence to harvest. The plant is susceptible to ring rot and bacterial wilt and resistant to mosaic virus and mosaic virus. Generally, the yield per mu is about 1700 kg, and the high yield is about 2500 kg. It is suitable for planting in the second season of the Central Plains.

To sum up, I briefly introduce three representative double-cropping potato varieties. If you still have better potato varieties, you can leave a message and introduce them to more farmers.

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