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审定编号:国审稻2012008品种名称:宜香4245选育单位:宜宾市农业科学院特征特性:籼型三系杂交水稻品种。长江上游作一季中稻种植,全生育期平均159.2d,比对照Ⅱ优838长0.5d。有效穗数228万/hm2,株高117.2cm,穗长26.2cm,每穗总粒数175.5粒,结实率79.5%,千粒重28.4g。抗性:稻瘟病综合指数4.9级,穗瘟损失率最高级7级,抗性频率63.6%,褐飞虱9级。感稻瘟病,高感褐飞虱。
Validation No .: State trial rice 2012008 Name of the species: Yixiang 4245 Breeding unit: Yibin Academy of Agricultural Sciences Characteristics: Three-line indica hybrid rice varieties. The middle reaches of the Yangtze River for a season of mid-season planting, the whole growth period average 159.2d, compared with the control Ⅱ You 838 long 0.5d. Effective spike number 2280000 / hm2, plant height 117.2cm, spike length 26.2cm, the total number of grains per spike 175.5, seed setting rate 79.5%, 1000 grain weight 28.4g. Resistance: rice blast comprehensive index of 4.9, panicle blast loss rate of the highest seven, 63.6% frequency of resistance, brown planthopper 9. Rice blast, high sense of brown planthopper.