What are the varieties of potatoes grown by farmers' professional cooperatives now? What are the main points of cultivation?

The main grain of potatoes is constantly advancing, and many farmers' specialized cooperatives are also adjusting in this direction, so what are the potato varieties planted by farmers' specialized cooperatives now? What are the main points of cultivation?

1. Eugene (88-5):

Variety source: this variety was introduced from Benxi Potato Research Institute and bred by tissue culture.

Variety characteristics: plant height 60 cm, plant type erect branches less, root system developed, growth potential strong, stem green, leaf green and hypertrophy, Corolla white, yellow flesh, potato oblong, shallow bud eyes, growth period of about 75 days, short dormant period, concentrated tuber, high commodity rate, is an ideal mid-early maturing variety. The yield is good, about 2000 kilograms per mu. More resistant to late blight.

two。 Mid-early maturing variety "Chaobai":

Variety source: "Chaobai" is cultivated by Dalian Agricultural Science Research Institute. This variety has the advantages of early maturity, high yield and good marketability.

Variety characteristics: the growth period of this variety is short, about 60 days from emergence to maturity, the plant grows luxuriantly, the growth potential is strong, and the plant height is moderate. The stem is green and stout. The leaves are hypertrophy and spreading, the leaves are dark green, the flowers are white, the tubers are concentrated, the tubers are round, white skin and white flesh, large and neat, the average rate of large and medium potatoes is 71.0%, the epidermis is smooth, the quality is good, and the average starch content is 12.54 Mel 13.39%.

3. Xingjia No.1

Variety source: it was cultivated and selected by the Institute of Agricultural Sciences of Daxing'an Mountains, which was introduced into the vegetable and Flower Research Institute of the Chinese Academy of Agricultural Sciences in 1992.

Characteristics: this variety has a long growth period, a late mature variety, more than 100 days from emergence to maturity, luxuriant plant growth, strong growth potential, plant height of about 70 cm, stout green stem, hypertrophy and spreading leaves, white flowers, weak natural fruiting, light and slow virus degeneration, concentrated tuber, oblong tuber, yellow flesh, shallow bud eyes, large and medium tuber rate of 65.5%, smooth epidermis and good quality. The starch content is about 17%, which is 20% higher than that of the control variety (no flower). It has high field resistance to late blight. 3500 seedlings are preserved per mu.

4. Atlantic Ocean (Atlantic)

Variety source: USDA used seedling B5141-6 as female parent and Wauseon as male parent in 1969 and obtained a license in Canada in 1983.

Characteristics: plant type development, erect, stout stem, hypertrophic leaf, irregular purple pattern at the base of stem, light green leaf, light leaf surface

5. Dongnong "303"

Dongnong 303 is the first very precocious potato variety bred by Northeast Agricultural University in China. This variety has been popularized and applied in more than 20 provinces and regions in China, and is deeply loved by potato farmers and consumers all over the country. Due to the extensive popularization and application, the social and economic benefits are extremely remarkable. It won the third prize of national scientific and technological progress in 1985 and was approved as a national variety by the National crop Variety approval Committee in 1986.

The plant type is erect, the number of branches is medium, the plant height is about 45 cm, the stem is green, the growth potential is strong, the leaves are light green, the pilose hairs are few, the compound leaves are large, the leaf margin is spreading, and the lateral leaflets are 4 pairs; inflorescence peduncle green, petiole node colorless, Corolla white, no double, medium size; stamens light yellow, stigma uncleaved, can not bear fruit naturally. The tuber is flat-ovate, yellow, smooth, medium and neat tuber, with many and shallow bud eyes and concentrated tuber; the base of semi-light bud is oval, lilac, the top is obtuse and green, and the number of hairs is medium; the dormancy period of tuber is short and durable for storage.

Biological characteristics: very precocious, within 60 days of birth; good steaming quality, no retrogradation; dry weight 20. 5%, starch 13. 1% Mel 14%, reducing sugar 0. 0.3%, vitamin C14. 2 mg / 100 g, crude protein 2. 52% starch is of good quality and is suitable for food processing; the plant is susceptible to late blight, tuber resistant to late blight, antibiotic ring rot, high resistance to mosaic and light mosaic virus, strong resistance to bunchy top disease and strong waterlogging tolerance; average yield per mu is about 2000 kg.

Key points of cultivation: the suitable density of this variety is 4000Mu / mu, which requires that there is no shortage of water in the seedling stage and bud stage of fertility, which is suitable for early harvest.

6. Early and clear.

"Zaodabai" was bred by the Potato Research Institute of Benxi City, Liaoning Province, using "Wulibai" as the female parent and "74Mu128" as the male parent. It was approved by Liaoning crop moral character approval Committee in 1992 and Heilongjiang crop Variety approval Committee in 1996.

Botanical characteristics: the plant type is erect, luxuriant is medium, the plant height is 50ml 70cm, the base of the stem is light purple, the stem nodes and internodes are green, and the thickness is the same. The leaf is green, the leaf margin is spreading, the compound leaf is larger, the lateral leaflet is 5 pairs, the apical leaflet is ovate, the stipule is intermediate type. Inflorescence peduncle green, ca. 9 cm, Corolla white, medium size, anthers large, orange-yellow, medium pollen, style green, medium-long, stigma trifid, calyx light green, broadly pointed. The natural fruit is weak, and the fruit is small and green. The tubers are concentrated, there are 5 tubers per plant, the percentage of large and medium potatoes is more than 90%, the tubers are flat and round, white skin and white flesh, smooth epidermis, medium number and depth of bud eyes, curved bud eyebrows, shallow navel, and medium dormancy.

Biological characteristics: the variety is very precocious, and the number of birth days is 65 / 70 days. The steamed food is of medium quality. Dry matter of tuber 21. 90%, starch 11. 0% Mutual 13. 0%, reducing sugar 1. 23%, crude protein 2. 13%, total vitamin C12. 85% mg / 100 g. It is more tolerant to virus, more resistant to ring rot and scab, more resistant to late blight and tuber susceptible to late blight. In the seedling stage, it likes temperature and drought resistance, and in the later stage, the tuber expands rapidly, and the general yield per mu is about 1500Mu 2000kg.

Main points of cultivation: sandy loam with high dry terrain and good drainage should be selected for planting. The terminal bud of "Zaodabai" tuber has obvious advantage, so it is necessary to do a good job of seed potato sprouting treatment. The tuber of "Zaodabai" is large, and there should be enough soil layer during the growth period, so the principle of "deep planting and shallow cover" must be mastered when sowing. Generally, the cultivation density of slicing is about 5000 plants per mu, the whole sowing density of sweet potato is 4500 plants per mu, and the row spacing is 60ml / 70cm.

7. Jute seed

The variety comes from a fine single plant selected by a farmer in Zhengbai Qianer Village, Dongjiao Township, Wangkui County, Heilongjiang Province in 1968 from his own potato field, which was preserved by continuous propagation. Because of its yellow reticulate skin, it is called jute seed by local farmers. It was formally named and popularized by Heilongjiang crop Variety examination and approval Committee in 1990.

Plant characteristics: the plant type is erect, there are 2 branches, the plant height is 45ml and 50cm, and the luxuriancy is medium. The stem is green, trigonous, and the stem is 0.9ml 1.3 cm in diameter. Leaves dark green, apical leaflet long ovate, apical tip, lateral leaflet 4 Mel 5 pairs, compact and moderate. Good flowering habits, many flowers and long flowering period, Corolla of light purple-white, anther orange-yellow, good pollen fertility, natural fruiting phenomenon. The stolon is short, tubers are concentrated, there are 8 tubers per plant, the percentage of large and medium potatoes is more than 80%, the tubers are long and oval, the potato skin is yellow and reticulated, the potato flesh is light yellow, the bud eyes are more, the top bud eyes are deeper, and the storability is good.

Characteristics: the strain has a long growth period, is a late-maturing strain, about 95 days after emergence, the plant grows luxuriantly, the growth potential is strong, the plant height is about 70 cm, the stem is green, the leaves are hypertrophy and spreading, the flowers are white, the natural fruiting is weak, the virus degenerates lightly and slowly, the tubers are concentrated, the tubers are oval, the yellow skin is yellow, the buds are shallow, the rate of large and medium tubers is 65-80% smooth, the quality is good, and the starch content is more than 17%. The yield was 10% higher than that of the control variety (Kexin 2). It has high field resistance to late blight.

Key points of cultivation: 3000-3500 seedlings per mu. Re-apply base fertilizer and seed fertilizer.

9. Zhongshu No.1

Variety source: introduced from China vegetable and Flower Research Institute in 1992, through tissue culture.

Characteristics: plant height 60 cm, plant type developing, medium branching, stem and leaf green, Corolla white, tuber flat round coral, yellowish skin light yellow flesh, smooth epidermis, shallow bud eyes, concentrated tuber, high commodity rate of tuber. From seedling emergence to maturity 70, plants and tubers are more resistant to late blight and have low starch content, with a general yield of more than 2000 kg per mu.

Cultivation points: the suitable density is 3500-4000 plants / mu, and the stress resistance is strong.