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 133.9 days, 0.3 days earlier than the control Fengliangyou No. 4. Plant height is 122.0 cm, panicle length 25.2 cm, with 164,000 effective panicles per mu; each panicle bears 226.5 grains, with a seed-setting rate of 82.1% and a 1,000-grain weight of 23.7 g. Resistance: the comprehensive blast disease index over two years was 4.3 and 5.0, respectively; the panicle-neck blast damage rating reached the highest level of 7; bacterial leaf blight rating was 7; brown planthopper resistance rating was 9, indicating strong susceptibility to brown planthopper, moderate susceptibility to blast, and moderate susceptibility to bacterial leaf blight; moreover, it exhibits relatively strong heat tolerance during heading. Key rice quality parameters: milled rice recovery rate 55.2%, degree of chalkiness 1.3%, amylose content 15.4%, gel consistency 61 mm, alkali digestion value 6.3, and length-to-width ratio 4.3, meeting the Grade II standard stipulated in the agricultural industry’s “Quality Standards for Edible Rice Varieties.”

A indica-type two-line hybrid rice variety. When grown as a late-maturing medium-duration rice in the middle and lower reaches of the Yangtze River, its total growth period is 137.5 days, 1.6 days shorter than the control Fengliangyou No. 4. Plant height is 116.7 cm, panicle length 26.3 cm, with 150,000 effective panicles per mu; each panicle bears 209.8 grains, with a seed-setting rate of 85.0% and a 1,000-grain weight of 27.7 g. Resistance: the comprehensive blast disease index over two years was 5.0 and 4.4, with the panicle blast damage rating reaching the highest level of 7; bacterial leaf blight rating is 5; brown planthopper rating is 8. The variety is susceptible to blast, moderately susceptible to bacterial leaf blight, and highly susceptible to brown planthopper. Key grain quality parameters: milled rice yield 62.1%, length-to-width ratio 3.0, chalky grain percentage 18%, degree of chalkiness 5.6%, gel consistency 90 mm, and amylose content 12.9%.

Good plant architecture, moderate to strong tillering, thick stems and erect leaves, heavy panicles with large grains, full grains, excellent seed-setting ability, and rice that is soft but not sticky.

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 131.1 days, 3.1 days earlier than the control variety Fengliangyou No. 4. Plant height is 119.9 cm, panicle length is 25.0 cm, with 153,000 effective panicles per mu; each panicle bears 219.4 grains, with a seed-setting rate of 86.8% and a 1,000-grain weight of 24.9 g. Resistance: the comprehensive blast disease index over two years was 3.1 and 4.7, 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 9, indicating high susceptibility to brown planthopper, moderate susceptibility to blast, and susceptibility to bacterial leaf blight; heat tolerance during heading is moderate. Key grain quality parameters: milled rice recovery rate of 62.0%, degree of chalkiness of 3.2%, amylose content of 16.5%, gel consistency of 52 mm, alkali digestion value of 6.5, and length-to-width ratio of 4.0, meeting the Grade III standard stipulated in the agricultural industry’s “Quality Standards for Edible Rice Varieties.”

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 130.1 days, 4.1 days earlier than the control Fengliangyou No. 4. Plant height is 110.3 cm, panicle length 25.3 cm, with 164,000 effective panicles per mu; each panicle bears 197.9 grains, with a seed-setting rate of 86.0% and a 1,000-grain weight of 23.9 g. Resistance: the comprehensive blast disease index over two years was 4.6 and 2.4, respectively; panicle-neck blast caused damage at the highest level of 7; bacterial leaf blight at level 9; brown planthopper at level 9. The variety is highly susceptible to bacterial leaf blight and brown planthopper, moderately susceptible to blast, and exhibits strong heat tolerance during heading. Key grain quality parameters: milled rice recovery rate 60.0%, degree of chalkiness 2.8%, amylose content 15.9%, gel consistency 62 mm, alkali digestion value 6.2, and length-to-width ratio 4.3, meeting the Grade II standard of the agricultural industry’s “Quality Standards for Edible Rice Varieties.” When grown as a double-cropping late-season rice in South China, its total growth period is 112.8 days, 2 days earlier than the control Boyou 998. Plant height is 109.1 cm, panicle length 23.4 cm, with 164,000 effective panicles per mu; each panicle bears 168.8 grains, with a seed-setting rate of 81.8% and a 1,000-grain weight of 24.1 g. Resistance: the comprehensive blast disease index over two years was 4.4 and 5.2, respectively; panicle-neck blast caused damage at the highest level of 5; bacterial leaf blight at level 9; brown planthopper at level 9. The variety is highly susceptible to bacterial leaf blight and brown planthopper, and moderately susceptible to blast. Key grain quality parameters: milled rice recovery rate 65.6%, degree of chalkiness 1.0%, amylose content 16.6%, gel consistency 65 mm, alkali digestion value 6.3, and length-to-width ratio 3.1, meeting the Grade II standard of the agricultural industry’s “Quality Standards for Edible Rice Varieties.”

A indica-type three-line hybrid 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 113.1 days, which is 5.3 days earlier than the control variety Wuyou 308. Plant height is 99.6 cm, panicle length is 22.5 cm, with 206,000 effective panicles per mu; each panicle bears 144.1 grains, with a seed-setting rate of 84.1% and a 1,000-grain weight of 25.7 g. Disease resistance: the comprehensive blast disease index over two years was 6.1 and 4.3, respectively, with the panicle-neck blast causing damage at the highest level of 7; susceptible to blast and bacterial leaf blight, highly susceptible to brown planthopper, and moderately cold-tolerant. Key grain quality parameters: milled rice recovery rate of 68.1%, chalky grain rate of 7.0%, degree of chalkiness of 2.1%, amylose content of 13.8%, gel consistency of 70 mm, and length-to-width ratio of 3.3, meeting the Grade II standard stipulated in the agricultural industry’s “Quality Standards for Edible Rice Varieties.”