What potato varieties are suitable for double-season cropping?
What potato varieties are suitable for double-season cropping? There are quite a few potato varieties suitable for double-season cropping, all of the early-maturing type, with a short growing period and features such as disease resistance and good quality. Examples include Lu Potato No. 1, Lu Potato No. 2, Fengshoubai, Zheng Potato No. 2, Dongnong 303, Luyin No. 1, and others.
1. Lu Potato No. 1
Bred by the Vegetable Research Institute of the Shandong Academy of Agricultural Sciences. The plant has thick, sturdy stems, fewer branches, an upright growth habit, and a plant height of 60-70 cm. The compound leaves are large and dark green. The tubers are nearly round, with smooth skin, yellow skin and yellow flesh, and good quality. The eyes are relatively deep, the tubers set in a concentrated manner, and the number of tubers set is relatively small. Early maturing, about 60 days from emergence to harvest. The dormancy period is short, and it stores relatively well. Highly resistant to mosaic virus, slightly susceptible to leafroll virus. Suitable for double-season cropping in the Central Plains region.
2. Dongnong 303
Bred by Northeast Agricultural College, it has been introduced and grown in various regions for many years. The plant has an upright growth habit and relatively few branches. Plant height is about 50 cm. The stems are green, and the growth vigor is strong. The leaves are green with few hairs, the compound leaves are relatively large, the leaf margins are flat, and there are 4 pairs of lateral leaflets. The corolla is white, the stamens are pale yellow, and it cannot set fruit naturally. The tubers are flat-oval, with yellow skin and yellow flesh, and the surface is smooth. The tubers are medium in size, uniform, with many shallow eyes, and the tubers set in a concentrated manner. The tuber dormancy period is long, and it stores well. Dongnong 303 is extremely early maturing, 55-60 days from emergence to maturity. The plant is susceptible to late blight, resistant to ring rot, highly resistant to mosaic virus, slightly susceptible to leafroll virus disease, tolerant to bunch top disease, and strongly tolerant to waterlogging. The general yield is 1500-2000 kg per mu. Suitable for spring cultivation in double-season cropping.
3. Luyin No. 1
Selected by the Vegetable Research Institute of the Shandong Academy of Agricultural Sciences from introduced foreign varieties. The plant has an upright growth habit, few branches, a plant height of about 60 cm, light purple stems, and strong growth vigor. The leaves are green with moderate hairs, the compound leaves are large and drooping, the leaf margins are slightly wavy, and there are 3-5 pairs of lateral leaflets arranged relatively sparsely. The corolla is large, purple, and has a strong ability to set fruit naturally; the berries are dark green, large, and contain seeds. The tubers are long-oval with rounded tops; the skin is light yellow and the flesh is bright yellow. The tubers are large and uniform, the surface is smooth, and the eyes are few and shallow. The tubers set in a concentrated manner, the tubers expand quickly, the tuber dormancy period is short, and they store relatively well. Luyin No. 1 is early maturing, about 60 days from emergence to harvest. The plant is slightly susceptible to ring rot and bacterial wilt, and resistant to mosaic virus and leafroll virus disease. The general yield is about 1700 kg per mu, with high yields reaching about 2500 kg. Suitable for double-season cropping in the Central Plains.
In summary, we have briefly introduced three relatively representative double-season potato varieties. If you have potato varieties you think are better, you can leave a message to introduce them to more farmer friends.
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