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审定编号:国审稻2014032品种名称:广两优7203申请者:中国水稻研究所育种者:中国水稻研究所品种来源:广占63S×中恢7203特征特性:籼型两系杂交水稻品种。长江中下游作双季晚稻种植,全生育期118.1天,比对照五优308短0.5天。株高107.7 cm,穗长23.3 cm,每667 m2有效穗数19.7万穗,穗粒数144.7粒,结实率79.4%,千粒重29.3 g。(1)抗性:稻瘟病综合指数6.4,穗瘟损失率最高级9级;
Validation No .: Guo Zaojiang 2014032 Variety name: Guangliangyou 7203 Applicant: China National Rice Research Institute Breeder: China National Rice Research Institute Source: Guangzhan 63S × Zhonghui 7203 Characteristics: Two-line indica hybrid rice. The middle and lower reaches of the Yangtze River for double season late rice planting, the whole growth period of 118.1 days, compared with the control five excellent 308 short 0.5 days. The plant height was 107.7 cm and the spike length was 23.3 cm. The number of effective spikes per 667 m2 was 197,000 spikes, the number of spikelets was 144.7, the seed setting rate was 79.4% and the grain weight was 29.3 g. (1) Resistance: Rice blast comprehensive index 6.4, the earliest rate of loss of ear blast was 9,