审定编号:国审稻2011006品种名称:F优498选育单位:四川农业大学水稻研究所、四川省江油市川江水稻研究所特征特性:该品种属籼型三系杂交水稻。在长江上游作一季中稻种植,全生育期平均155.2d,比对照Ⅱ优838短2.7d。株高111.9cm,穗长25.6cm,有效穗数225万穗/hm2,总粒数189.0粒/穗,结实率81.2%,千粒重28.9g。株型适中,叶鞘、叶缘、颖尖紫色,熟期转色好。抗性:稻瘟病综合指数6.0级,穗瘟损失率最高级7级;褐飞虱7级;耐热性较弱。感稻瘟病和褐飞虱。 Validation code: State review of rice 2011006 Name of species: F You 498 Breeding units: Rice Research Institute of Sichuan Agricultural University, Jiangyou City, Sichuan Province River Rice Research Institute Features: The variety is indica three-line hybrid rice. In the upper reaches of the Yangtze River to make a quarter of rice cultivation, the whole growth period average 155.2d, compared with the control Ⅱ You 838 short 2.7d. Plant height 111.9cm, spike length 25.6cm, effective spike number 2250000 spike / hm2, the total number of 189.0 seed / spike, seed set rate of 81.2%, 1000g weight 28.9g. Moderate plant type, leaf sheath, leaf margin, tip purple, ripe color. Resistance: Magnaporthe grisea index 6.0, earliest blast loss rate of 7; brown planthopper level 7; heat resistance is weak. Rice blast and brown planthopper.