Jiangsu Hongqi Seed Industry Co., Ltd
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6 You Huang Tai Zhan



6 You Huang Tai Zhan

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Hybrid rice
Approval number: National Approved Rice 20196115
Variety name: 6 Youhuang Taizhan
Applicant: Jiangsu Hongqi Seed Industry Co., Ltd.
Breeder: Jiangsu Hongqi Seed Industry Co., Ltd.
Variety source: Tai 106A × Huang Taizhan
Characteristics: Indica three-line hybrid rice variety. The mid-season rice planted in the middle and lower reaches of the Yangtze River has a full growth period of 128.3 days, which is 7.6 days shorter than the control Fengliangyou No.4. The plant height is 115.1 cm, the ear length is 25.6 cm, the effective ear number per mu is 162,000 ears, the total number of grains per ear is 186.9, the seed setting rate is 78.9%, and the thousand-grain weight is 26.0 grams. Resistance: The comprehensive index of rice blast in two years is 6.4 and 6.5 respectively. The highest loss rate of ear neck blast is 9 grade, Bacterial blight is 7 grade, brown planthopper is 9 grade, and the heading stage heat tolerance is 3 grade; high susceptibility to rice blast, susceptible Bacterial blight, high susceptibility to brown planthopper, strong heat tolerance at heading stage. Main indicators of rice quality: polished rice rate of 55.1%, chalky grain rate of 19.7%, chalkiness of 2.9%, amylose content of 21.1%, gel consistency of 68 mm, length-to-width ratio of 3.2, reaching the agricultural industry "Edible Rice Variety Quality" Standard level two.
Yield performance: Participated in the middle and lower reaches of the Yangtze River in the late-maturing regional test of indica in 2016, with an average yield of 608.5 kg per mu, an increase of 3.4% compared to the control Fengliangyou No. 4; the test continued in 2017, with an average yield of 632.2 kg per mu, which was better than the control Fengliangyou No. 4 The yield increased by 8.2%; the average yield per mu in the two-year regional test was 620.4 kg, which was an increase of 5.8% compared to the control Fengliangyou No. 4; in the production test in 2018, the average yield per mu was 602.2 kg, which was an increase of 1.4% compared with the control Fengliangyou No. 4.
Key points of cultivation techniques: 1. Sowing seeds at the right time. The middle and lower reaches of the Yangtze River can be transplanted, machine-planted or directly broadcasted. Because the growth period of the variety is shorter than that of the control, the machine-planting or direct broadcast is more conducive to the advantage of the variety in areas where the contradictions are not prominent. Sowing from late April to early May; 2. Guaranteed seed quantity: 1.0-1.2 kg per mu of field for transplanting rice, 10-12 kg per mu of seedling field; 2 kg per mu for machine transplanting or direct seeding; 3. Control the age of seedlings and cultivate strong seedlings. The age of machine-transplanted seedlings should not exceed 15 days, and the age of transplanted rice seedlings should be controlled for about 25 days; 4. Planting with medium fertility level, applying 8-10 kg of pure nitrogen per mu, and the ratio of nitrogen, phosphorus and potassium fertilizer should be 1:0.5:0.8. Reapply base fertilizer, apply topdressing early, and watch seedlings fertilize later. The early stage is shallow water, the middle stage is lightly set, and the later stage is dry and wet. Water cut off before harvest should not be too early; 5. Timely control rice blast, stem borers, rice planthoppers and other diseases and insects, especially pay attention to the prevention and control of rice blast. 6. Pay attention to timely harvesting to prevent lodging.
Opinion: This variety meets the national rice variety certification standards and passed the certification. Suitable for rice production in the rice areas of the Yangtze River valley in Hubei Province (except Wuling Mountain), Hunan Province (except Wuling Mountain), Jiangxi Province, Anhui Province, Jiangsu Province, the middle rice area of ​​Zhejiang Province, the northern rice area of ​​Fujian Province, and the southern rice area of ​​Henan Province. Planting mid-season rice in areas with mild blast disease is not suitable for planting in areas with severe blast disease.
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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,

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