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Introduction to the Characteristics and Traits of the Rice Variety Gangyou 501

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(1) Variety origin: This is a medium-maturing medium indica hybrid combination developed in 1991 by Mianyang College of Economics and Technology and the Rice Research Institute of Sichuan Agricultural University using Gang 46A x Mianhui 501. (2) Characteristics and traits: plant height 108 cm, plant type moderately compact, strong tillering ability, erect leaves, large panicles and many grains, 162.8 grains per panicle, seed-setting rate 80.3%, 1000-grain weight 26.3 g, brown rice rate 80%, head rice rate 53%, eating quality and palatability superior to Shanyou 63. Full growth period 14

(1) Variety origin: This is a medium-maturing medium indica hybrid combination developed in 1991 by Mianyang College of Economics and Technology and the Rice Research Institute of Sichuan Agricultural University using Gang 46A x Mianhui 501.

(2) Characteristics and traits: plant height 108 cm, plant type moderately compact, strong tillering ability, erect leaves, large panicles and many grains, 162.8 grains per panicle, seed-setting rate 80.3%, 1000-grain weight 26.3 g, brown rice rate 80%, head rice rate 53%, eating quality and palatability superior to Shanyou 63. Full growth period 146 days, 1.7 days longer than Aiyou S, strong ratooning ability. According to inoculation identification, leaf blast grade 5 and neck blast grade 5, moderately resistant to rice blast. Relatively cold tolerant and lodging resistant.

(3) Yield performance: regional trial yield 457--583 kg per mu, 5-10% higher than Aiyou S.

(4) Suitable planting areas: This variety is suitable for planting in central Sichuan and areas along the basin edge at an altitude of 600-800 m.

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