Gangyou 501 (Rice)
The main results are as follows: (1) Variety source: it is a medium indica medium maturity combination formed by Mianyang College of Economics and Technology and Rice Research Institute of Sichuan Agricultural University 46AX Mianhui 501 in 1991.
(2) characteristics: plant height 108cm, plant type moderate tightness, strong tillering ability, leaf erect spike with large grains, 162.8 grains per grain, seed setting rate 80.3%, 1000-grain weight 26.3g, roughness rate 80%, head rice rate 53%, taste and palatability better than Shanyou 63. The whole growth period is 146 days, which is 1.7 days longer than that of dwarf S, and the regeneration ability is strong. It was identified by inoculation that leaf blast was grade 5, neck blast was grade 5, and it was moderately resistant to rice blast. More resistant to cold and lodging.
(3) yield performance: the yield per mu in the regional trial was 457murmur583 kg, which was 5-10% higher than that of Ai you S.
(4) suitable planting area: this variety is suitable for planting in the area of 600-800 meters above sea level in central Sichuan and basin edge.
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Gangyou 734 (Rice)
The main results are as follows: (1) Variety source: it is a medium indica late maturing hybrid rice combination of Gang46A used by Mianyang Institute of Agricultural Sciences and self-breeding restorer line 734 (Minghui 63 / IR5311). (2) characteristics: the growth period of the whole panicle is 150 days, which is equivalent to that of Shanyou 63. The plant type is compact, the luxuriant is good, the flag leaf grows, the plant height is 116.1 cm, the effective ear per mu is 17 ~ 180000, the ear is flat with 150.0 grains, the seed setting rate is 85.0%, the 1000-grain weight is 27.6g, the brown rice rate is 80.0%, and the milled rice rate is 7.
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Gangyou 26 (Rice)
The main results are as follows: (1) Variety source: it is a new medium indica late maturing hybrid rice combination of "Gang 46A" and restorer line 6326 (Miyang 46X Minghui 63) in Rice Research Institute of Sichuan Agricultural University. (2) characteristics: the whole growth period of the combination is 149.1 days, which is 1 day longer than that of Shanyou 63, the plant height is 113cm, the seedling stage is prosperous, the tillering ability is medium, the plant type is moderate, the number of ears per mu is about 160000, the seed setting rate is 81-85%, the 1000-grain weight is 28-29 g, the roughness rate is 79.7%, and the milled rice rate is 79.7%.
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