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Zhongnan You 510

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Zhongnan You 510

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Hybrid rice

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Variety type: Indica three-line hybrid rice

Approval number: Sushendao 201107

Characteristics: compact plant type, vigorous growth, strong tillering power, medium green leaf color, strong leaf posture, large ear shape, good population uniformity, good maturity in the later stage, strong lodging resistance; provincial and regional test The average result: effective ears per mu is 143,000, the number of grains per ear is 157.7, the seed setting rate is 85.0%, the thousand-grain weight is 28.3 grams, the plant height is 121.8 cm, and the whole growth period is 140 days, which is equivalent to the control.

Resistance performance: inoculation identification: resistance to ear neck blast, moderately susceptible to bacterial blight and moderately susceptible to sheath blight.

Quality performance: According to the inspection conducted by the Food Quality Inspection Center of the Ministry of Agriculture in 2008, the aspect ratio is 3.0, the whole rice rate is 62.0%, the chalky grain rate is 20.0%, the chalkiness is 1.8%, the gel consistency is 60.0 mm, and the amylose content is 21.4%. Reached the national standard two-level high-quality rice standard.

Yield performance: Participated in the regional test of Jiangsu Province from 2007 to 2009. The average yield per mu in three years was 559.1 kg, which was an increase of 3.3% compared with the control Ⅱyou 084. The increase in output in 2007 was extremely significant compared with the control. In 2008, the output was reduced by 1.92% compared with the control. In 2009, compared with the control The increase in production was extremely significant; the average yield per mu in the production test in 2010 was 618.8 kg, an increase of 10.04% over the control.

Suitable area: Suitable for planting in the middle indica rice area of Jiangsu Province.

Key points of cultivation techniques:

1. Sow seeds at an appropriate time and cultivate strong seedlings. Generally, the seedlings are planted from late April to early May. The sowing rate of wet seedlings is about 15 kg per mu of net seedling board, the sowing rate of dry seedlings is about 25 kg per mu of net seedling board, and the seeding rate per mu of field is about 1.5 kg.

Transplant at the right time and plant closely. Generally transplanted in early June, the seedling age is controlled at about 35 days, 16,000-18,000 holes are planted per acre, and the basic seedlings per acre are 70,000-80,000.

3. Scientific fertilizer and water management. Generally, the application of pure nitrogen per mu is about 10 kg, and the ratio of base fertilizer, tiller fertilizer and ear fertilizer is about 6:3:1. In terms of water slurry management, seedlings are planted in shallow water, live trees in inch water, tillers with thin water, deep-water heading and blooming, timely drainage of fields, alternate dry and wet in the later stage, wet endowment, and no water a week before harvesting.

4. Prevention and control of diseases, pests and weeds. Attention should be paid to the prevention and control of Laodelphax striatellus and rice thrips during the seedling stage and the early stage of the field, and comprehensive control of sheath blight, rice smut, stem borer, rice leaf roller, rice planthopper, etc., and bacterial leaf blight and sheath blight in the middle and late stages. Disease prevention.

Liangyou 003

Tanyuan You 0845

Jiangsu Hongqi Seed Industry Co., Ltd. is a state-owned seed enterprise integrating rice, wheat and corn breeding, improved seed breeding and seed marketing. It was established in 2001 with a registered capital of 105.81 million yuan. The company has the right to import and export seeds, and holds the integrated seed business license of "breeding, breeding and promotion" issued by the Ministry of agriculture. The company is a key leading enterprise of agricultural industrialization in Jiangsu Province, a high-tech enterprise in Jiangsu Province, a key enterprise of seed industry in Jiangsu Province, an agricultural science and technology enterprise in Jiangsu Province, and an enterprise with "AAA" credit rating of China Seed Association. The company has been rated as an enterprise "abiding by contracts and keeping promises" for 18 consecutive years,