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Qiangliangyou 373

Qiangliangyou 373

A indica-type two-line hybrid rice variety. When grown as a single-season medium-duration rice in the middle and lower reaches of the Yangtze River, its total growth period is 134 days, 0.2 days earlier than the control variety Fengliangyou No. 4. Plant height is 124.5 cm, panicle length is 25.6 cm, with 153,000 effective panicles per mu; each panicle bears 229.5 grains, with a seed-setting rate of 84.4% and a 1,000-grain weight of 25.0 g. Resistance: the comprehensive blast disease index over two years was 3.9 and 3.5, respectively; the panicle-neck blast damage rating reached the highest level of 7; bacterial leaf blight was rated at level 7; and brown planthopper resistance was rated at level 9, indicating high susceptibility to brown planthopper, moderate susceptibility to blast, and moderate susceptibility to bacterial leaf blight. The variety exhibits strong heat tolerance during heading. Key grain quality parameters include: milled rice recovery rate of 65.8%, chalkiness of 3.6%, amylose content of 14.9%, gel consistency of 72 mm, alkali digestion value of 6.5, and length-to-width ratio of 3.3, meeting the Grade 3 standard stipulated in the agricultural industry’s “Quality Standards for Edible Rice Varieties.”

Tianliangyou 666

Tianliangyou 666

A indica-type two-line hybrid rice variety. When grown as a single-season mid-season rice in the middle and lower reaches of the Yangtze River, its total growth period is 131.4 days, which is 3.6 days earlier than the control variety Fengliangyou No. 4. Plant height is 107.1 cm, panicle length is 26.8 cm, with 169,000 effective panicles per mu; each panicle bears 202.6 grains, with a seed-setting rate of 87.8% and a 1,000-grain weight of 24.0 g. Resistance: the comprehensive blast disease index over two years was 4.3 and 3.9, respectively; the panicle-neck blast damage rating reached the highest level of 5; bacterial leaf blight was rated at level 7; brown planthopper resistance was rated at level—highly susceptible to brown planthopper, moderately susceptible to blast, and susceptible to bacterial leaf blight; heat tolerance during heading was relatively strong. Key grain quality parameters: milled rice recovery rate of 66.2%, chalkiness of 0.5%, amylose content of 15.9%, gel consistency of 60 mm, alkali digestion value of 6.8, and length-to-width ratio of 3.5, meeting the Grade II standard stipulated in the agricultural industry’s “Quality Standards for Edible Rice Varieties.”

Taiyou Aomei Xiang

Taiyou Aomei Xiang

(1) Growth period: When grown as a single-season medium-duration rice crop in the upper Yangtze River region, the total growth period is approximately 147.6 days, 3.1 days earlier than the control variety F You 498; when grown as a single-season medium-duration rice crop in the Wuling Mountain area, the total growth period is approximately 142.9 days, 7.6 days earlier than the control variety Rui You 399. (2) Plant morphology: In the upper Yangtze River region, plant height is about 107.7 cm and panicle length is about 22.6 cm; in the Wuling Mountain area, plant height is about 111.5 cm and panicle length is about 24.3 cm. (3) Yield traits: In the upper Yangtze River region, the number of effective panicles per mu is about 148,000, with about 184.8 grains per panicle, a seed-setting rate of about 84.9%, and a 1,000-grain weight of about 26.0 g; in the Wuling Mountain area, the number of effective panicles per mu is about 155,000, with about 172.2 grains per panicle, a seed-setting rate of about 85.4%, and a 1,000-grain weight of about 26.6 g. (4) Resistance: The comprehensive blast disease index over two years is 4.9 and 4.4 in the upper Yangtze River region, and 3.9 and 2.9 in the Wuling Mountain area, indicating susceptibility or moderate susceptibility to blast; highly susceptible to brown planthopper; average heat tolerance during heading; average cold tolerance in the upper Yangtze River region, but weaker cold tolerance in the Wuling Mountain area. (5) Rice quality: The milled-rice recovery rate is about 55.0%, the degree of chalkiness is about 1.5%, the amylose content is about 15.3%, the gel consistency is about 73–75 mm, the alkali digestion value is grade 6.1, and the length-to-width ratio is about 4.3, meeting the Grade II standard stipulated in the agricultural industry’s “Quality Standards for Edible Rice Varieties.”

Hongliangyou Aolong Simiao

Hongliangyou Aolong Simiao

A two-line hybrid indica rice variety. When grown as a late-season double-cropping rice in the middle and lower reaches of the Yangtze River, its total growth period is 113.0 days, which is 3.2 days earlier than the control variety Wuyou 308. Plant height is 98.2 cm, panicle length is 22 cm, with 209,000 effective panicles per mu; each panicle bears 149.1 grains, with a seed-setting rate of 82.6% and a 1,000-grain weight of 25.2 g. Resistance: the comprehensive blast disease index over two years was 3.3 and 4.6, respectively; the panicle-neck blast damage rating reached the highest level of 5; bacterial leaf blight was rated at level 7; and brown planthopper resistance was rated at level 9, indicating high susceptibility to brown planthopper, moderate susceptibility to blast, and susceptibility to bacterial leaf blight, with relatively weak cold tolerance. Key rice quality parameters: milled rice recovery rate of 65.0%, degree of chalkiness of 2.6%, amylose content of 16.0%, gel consistency of 60 mm, alkali digestion value of level 6, and length-to-width ratio of 3.7, meeting the Grade II standard stipulated in the agricultural industry’s “Quality Standards for Edible Rice Varieties.”

Hong Liangyou 898

Hong Liangyou 898

A indica-type two-line hybrid rice variety. When grown as a single-season medium-duration rice in the upper reaches of the Yangtze River, its total growth period is 148.3 days, which is 0.8 days earlier than the control variety F You 498. Plant height is 105.9 cm, panicle length is 24.4 cm, with 151,000 effective panicles per mu; each panicle bears 183.3 grains, with a seed-setting rate of 86.9% and a 1,000-grain weight of 26.5 g. Resistance: the comprehensive blast disease index over two years was 6.5 and 4.8, respectively; the panicle-neck blast damage rating reached the highest level of 7; brown planthopper resistance is rated at level 9. The variety is susceptible to blast but highly susceptible to brown planthopper. It exhibits strong heat tolerance during heading and strong cold tolerance. Key rice quality parameters include: milled rice recovery rate of 53.7%, degree of chalkiness of 0.9%, amylose content of 16.4%, gel consistency of 62 mm, alkali digestion value of 6.8, and length-to-width ratio of 3.3, meeting the Grade 3 standards stipulated in the agricultural industry standard “Quality of Edible Rice Varieties.”

Aofuyou 287

Aofuyou 287

Aofuyou 287 is a rice variety bred by Hunan Aopulon Technology Co., Ltd. It meets the national standards for rice variety approval and has been officially approved. This variety is suitable for single-season mid-season rice cultivation in the paddy-growing areas of Sichuan Province’s plains and hilly regions, Guizhou Province (excluding the Wuling Mountain area), the low- and mid-altitude indica rice zones of Yunnan Province, Chongqing Municipality (excluding the Wuling Mountain area) at elevations below 800 meters, and the southern rice-growing region of Shaanxi Province—provided that these areas are free from severe blast disease. Planting is not recommended in regions where blast disease is severely prevalent. The total growth period is 152.0 days; plant height is 122.3 cm; panicle length is 25.5 cm; effective panicles per mu amount to 127,000; 1,000-grain weight is 26.1 g; and grain quality meets the Grade II standard of the agricultural industry. In 2020, the rice produced from this variety won the Silver Award at the Second “Seed Cup” High-Quality Rice Evaluation Competition. In 2024, random inspections of the crop seed market in Xingwen County revealed a germination rate of 92%, moisture content of 11.6%, and compliance with GMO testing requirements. This variety has been designated as a leading agricultural variety for 2025 in Anshun City, Zhenning County, and Shibing County of Guizhou Province, and in the 100-mu ultra-high-yield demonstration plot in Xianjiaba Village, Fucheng District, it achieved the expected yield of 700 kg per mu. In 2024, large-scale cultivation in Dewang Township, Jiangkou County, yielded an average of 1,000 jin per mu, while yield measurements in Yutang Township translated into a dry-weight yield of 645 kg per mu.

Hong Liangyou 211

Hong Liangyou 211

A indica-type two-line hybrid rice variety. When grown as a single-season mid-season rice in the upper reaches of the Yangtze River, its total growth period is 151.6 days, which is 2.5 days longer than the control variety F You 498. Plant height is 110.3 cm, panicle length is 23.3 cm, with 135,000 effective panicles per mu; each panicle bears 205.8 grains, with a seed-setting rate of 84.6% and a 1,000-grain weight of 27.5 g. Resistance: the comprehensive blast disease index over two years was 4.8 and 3.8, respectively; the panicle-neck blast damage rating reached the highest level of 7; brown planthopper resistance is rated at level 9. The variety is susceptible to blast but highly susceptible to brown planthopper. It exhibits strong heat tolerance during heading and strong cold tolerance. Key rice quality parameters include: milled rice recovery rate of 59.7%, chalkiness of 2.8%, amylose content of 15.1%, gel consistency of 60 mm, alkali digestion value of 6.8, and length-to-width ratio of 3.5, meeting the Grade II standard stipulated in the agricultural industry’s “Quality Standards for Edible Rice Varieties.”

He Liang You Ao Xiang Si

He Liang You Ao Xiang Si

A two-line hybrid indica rice variety. When grown as a single-season mid-season rice in the middle and lower reaches of the Yangtze River, its total growth period is 132.4 days, which is 0.0 days later than the control variety Fengliangyou No. 4. Plant height is 116.2 cm, panicle length is 27.3 cm, with 164,000 effective panicles per mu; each panicle bears 223.1 grains, with a seed-setting rate of 80.9% and a 1,000-grain weight of 21.7 g. Resistance: the comprehensive blast disease index over two years was 4.8 and 3.0, respectively; the panicle-neck blast damage rating reached the highest level of 5; bacterial leaf blight was rated at level 7; and brown planthopper resistance was rated at level 9. The variety shows moderate susceptibility to blast, susceptibility to bacterial leaf blight, and high susceptibility to brown planthopper. Key grain quality parameters include: brown rice yield of 78.6%, milled rice yield of 66.7%, grain length of 6.8 mm, length-to-width ratio of 3.7, chalkiness of 3.0%, translucency of grade 2, alkali digestion value of grade 6.5, gel consistency of 61 mm, and amylose content of 16.2%, meeting the Grade 2 standard stipulated in the agricultural industry standard “Quality of Edible Rice Varieties” (NY/T 593–2021).

Ao Jingxiang

Ao Jingxiang

Aojingxiang is a high-quality late-season indica fragrant rice variety developed by Hunan Aopulon Technology Co., Ltd. through hybridization using the maternal line AOR1122 and the paternal line Meixiangzhan No. 2. When grown as a double-cropping late-season rice in the middle and lower reaches of the Yangtze River, Aojingxiang has a total growth period of 115.6 days, which is 2.0 days earlier than the control variety Wuyou 308. Plant height is 104.7 cm, panicle length is 23.6 cm, with 201,000 effective panicles per mu; each panicle bears 163.5 grains, with a seed-setting rate of 80.8% and a 1,000-grain weight of 25.2 g. This variety exhibits moderate susceptibility to blast disease, high susceptibility to bacterial leaf blight, high susceptibility to brown planthopper, and only average cold tolerance.

Y Liangyou 696

Y Liangyou 696

The pioneer combination of the third phase of super hybrid rice, which was developed by using innovative technology for indica japonica polymerization hybridization, has moderate plant type, good luxuriance, strong tillering ability, medium thick stalks, colorless leaf sheaths and lemma tips. The results of provincial and regional trials: the plant height is 110.4 cm, the effective panicles per mu are 170000 to 180000, the total grains per panicle are 163.4, the seed setting rate is 87.8%, and the 1000 grain weight is 27.5 g. Resistance: the average leaf blast level is 1, the average ear blast level is 9, the comprehensive resistance index of rice blast is 5.2, and the cold resistance and high temperature resistance are strong. Rice quality: brown rice rate 80.4%, milled rice rate 72.6%, head rice rate 58.3%, grain length 6.9 mm, length width ratio 3.3, chalkiness grain rate 24%, chalkiness 4.6%, transparency 1, alkali dissipation value 6.4, gel consistency 81 mm, amylose content 13.1%, protein content 8.6%.

Fengyou 125

Fengyou 125

The whole growth period is 159.6 days, 5.3 days later than Zhongyou 169. The plant leaf type is better. The tillering ability is medium, and the spike type is medium. The stem is relatively thick; The leaf color is thick green, and the sword leaf is upright; The leaf sheath and leaf margin are purple. The average plant height is 115.2 cm, the effective spike per mu is 140000, the spike length is 24.9 cm, each spike has 217.0 grains, the seed setting rate is 72.3%, the 1000 grain weight is 29.9 g, the grain type is longer, the spikelet tip is purple, and there is a little top awning. In 2015, it was inspected by the Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture (Wuhan): the rate of roughness was 81.6%, the rate of milled rice was 73.2%, the rate of head rice was 53.5%, the rate of chalkiness was 17%, the degree of chalkiness was 3.2%, the grain length was 6.7 mm, the length to width ratio was 2.8, the gel consistency was 50 mm, the content of amylose was 20.8%, the alkali dissipation value was 6.0, the transparency was 1, and the taste evaluation was 74.6 points. The comprehensive rice quality reached the national standard of Grade III high-quality rice.

Chuanguyou T16

Chuanguyou T16

Indica three line hybrid rice varieties. The whole growth period of medium rice planted in Wuling mountain area is 150.8 days, 2.5 days longer than that of control Ⅱ You264. The plant height is 119.0 cm, the ear length is 25.7 cm, the number of effective ears per mu is 171000, the number of grains per ear is 176.4, the seed setting rate is 82.1%, and the 1000 grain weight is 29.7 g. Main indexes of rice quality: head rice rate 46.3%, length width ratio 3.2, chalky grain rate 90%, chalkiness 15.7%, gel consistency 30 mm, amylose content 22.9%.

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