Gangyou 94-11 (Rice)
The main results are as follows: (1) Variety source: Gangyou 94-11 is a medium indica late-maturing hybrid rice variety bred by Neijiang Hybrid Rice Science and Technology Development Center and 46A of No. 4 Agricultural University.
(2) characteristics: the whole growth period is 148.9 days, which is 0.5 days longer than that of Shanyou 63, plant height 117.8 cm, ear length 25.0cm, ear flat grain 161.8, seed setting rate 84.4%, 1000-grain weight 28.7g, compact plant type, good luxuriancy, straight flag leaves, neat heading, good mature color change, and lodging resistance. The rice quality was the same as that of the control, and the resistance to rice blast was stronger than that of the control, leaf blast grade 3-7, neck blast grade 1-7.
(3) yield performance: 1998-1999 | participated in the provincial regional test in two years, the average yield per mu was 548.30 kg, 3.3% higher than that of Shanyou 63, and the average yield per mu was 540kg and 72kg in 1999 production test, 2.91% higher than that of the control.
(4) main points of cultivation: sowing from late March to early April, seedling age 40-50 days, cutting 1.3-15000 nests per mu, planting two grains, 16-2.04 million ears per mu, early topdressing with heavy bottom and matching of nitrogen, phosphorus and potassium.
(5) suitable planting area: it is suitable to be planted as one-season mid-season rice or one-season middle rice plus one-season ratooning rice in Sichuan rice area.
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Gangyou 725 (Rice)
The main results are as follows: (1) Variety source: this variety is a mid-can late-maturing hybrid rice combination composed of male sterile line Gang46A and restorer line Mianhui 725 used by Jinyang Institute of Agricultural Sciences. (2) characteristics: the whole growth period of this variety is 149 days, which is mature at the same time as the control Shanyou 63. The combination has moderate plant type, long leaves, neat panicle layer, good color in the later stage, plant height 114.7cm, panicle length 24.8cm, effective panicle per mu 158600, flat panicle 164.19 grains, seed setting rate 85.6%, 1000 grains.
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Gangyou 906 (Rice)
The main results are as follows: (1) Variety source: it is a restorer line of Rongdao 906 (original code 48-6) bred by Chengdu second Agricultural Science Institute and a medium indica late-maturing hybrid rice bred with Gang 46A. (2) characteristics: the combination grew vigorously at seedling stage, strong tillering ability, neat growth, compact plant type, and the whole growth period of about 145 days was 0.8 days longer than that of Shanyou 63. Plant height 114 cm, ear length 23.4 cm, full grain 144, seed setting rate 86.2%, 1000-grain weight 26.8 g, roughness rate 80.2%, milled rice rate 70.6%, rice core
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