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 luxuriancy 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%, the milled rice rate is 70.0%, and the head rice rate is 50.5%, which is better than that of the control.
(3) yield performance: in the regional test of Sichuan Province from 1995 to 1996, the average yield per mu in two years was 554.50 kg, 2.3% higher than that of Shanyou 63. In the production test in 1996, the average yield per mu in the five pilot projects was 572.60 kg, 5.29% higher than that of Shanyou 63.
(4) suitable planting area: suitable for planting in Pingba and hilly areas of our province.
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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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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 14
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