Ii you 3028 (Rice)
The main results are as follows: (1) Variety source: it is a medium indica early maturing combination bred by Ⅱ-32A and restorer line Luhui 3028 in Sorghum Research Institute of Sichuan Academy of Agricultural Sciences.
(2) characteristics: the plant height of the combination is 99.5cm, the whole growth period is about 150d, it is 5 days longer than the control Shanjing 8, the effective ear per mu is 17-180000, the ear is flat with 142grains, the seed setting rate is 82.9%, and the 1000-grain weight is 25-26g. The field grew neatly and changed color well in the later stage. Resistant to rice blast, leaf blast grade 4, neck blast grade 1-5. The roughness rate is 82%, milled rice rate is 67.7%, and head rice rate is 55.5%. The appearance and eating quality of Shanzheng No. 8 were better than those of the control.
(3) yield performance: in the provincial regional tests in 1995 and 1996, the average yield per mu was 496.6 kg and 488.94 kg respectively, which was 15.65% and 11.68% higher than that of Shanjing 8 in the same ripening period. In the production test, the average yield per mu was 486.68 kg higher than that of the control by 12.13%.
(4) suitable planting area: this combination has good yield and strong resistance, so it is suitable to be cultivated as early-maturing and middle-season rice in the mountainous area around the basin of our province.
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Ii you 725 (Rice)
II you 725 is a new high quality medium indica hybrid rice combination bred by Mianyang Institute of Agricultural Sciences in Sichuan Province. The combination showed the characteristics of large panicle, high yield potential, excellent rice quality, strong resistance, good adaptability and so on. 1. High yield level participated in the production experiment in Sichuan Province in 1997 and planted in different ecological areas of Chengdu, Weiyuan, Bazhong, Wusheng and Zhongjiang, the average unit yield of 8.85t/hm2 was 8.57% higher than that of Shanyou 63. In 1997, 40hm2 was planted in Jiepai Town, Anxian County.
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Ii you 3027 (Rice)
II you 3027 is a late indica hybrid rice bred by Nuclear Agriculture Institute of Zhejiang University and Jinhua seed Company. The average growth period is 134.8 days. In the regional trial of late indica hybrid rice in Jinhua City from 1995 to 1996, the average yield per 667m2 was 442.6kg and 498.3kg, respectively. The average yield per 667m2 in the production test in 1997 was 422.8kg, which was 7.9% higher than that of Shanyou 10. Medium resistance to rice blast, to white leaves
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