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1水稻审定编号:国审稻204035品种名称:瑞优3399申请者:四川科瑞种业有限公司育种者:四川科瑞种业有限公司品种来源:瑞3A×瑞恢399特征特性:籼型三系杂交水稻品种。武陵山区作中稻种植,全生育期149.6d,比对照Ⅱ优264短0.5d。株高111.4cm,穗长23.6cm,有效穗数258万穗/hm2,粒数164.1粒/穗,结实率84.3%,千粒重29.4g。产量表现:2013年参加武陵山区中籼组生产试验平均产量8 700kg/hm2,比Ⅱ优264增产4.4%。栽培技术要点:稀播匀播,培育多蘖壮秧。秧
1 Rice approval number: State review rice 204035 Variety name: Rui You 3399 Applicant: Sichuan Kerui Seed Co., Ltd. Breeder: Sichuan Kerui Seed Co., Ltd. Source of the species: Rui 3A × Rui Hui 399 Features: Indica three Department of hybrid rice varieties. Wuling Mountain for rice planting, the whole growth period 149.6d, compared with the control Ⅱ You 264 short 0.5d. Plant height 111.4cm, spike length 23.6cm, effective spike number 2580000 spike / hm2, the number of grains 164.1 grains / spike, seed setting rate 84.3%, grain weight 29.4g. Yield performance: In 2013, the average yield of medium-indica group in Wuling Mountain was 8 700kg / hm2, which was 4.4% higher than that of Ⅱ You 264. Cultivation techniques: Spread evenly broadcast, cultivate more tiller strong seedling. seedling