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1 水稻新品种辽粳454 辽粳454是辽宁省农科院采用多亲本人工杂交选育而成。该品种成穗率高,千粒重25～26g,米质、食味及适口性好。抗稻瘟病、自叶枯病,且抗冷、耐肥、抗倒。平均585.7kg/667m~2,居区试首位,在省内进行多点试种时,最高为884.3kg/667m~2。辽粳454生育期155～158天,属中晚熟品种,适于沈阳以南的辽中、辽南、辽西部分稻区以及津、京、冀、鲁、陕等省、市种植。
A new rice variety Liaojing 454 Liaojing 454 Liaoning Academy of Agricultural Sciences by multi-parent artificial breeding selection. The varieties into the spike rate, grain weight 25 ~ 26g, quality, taste and palatability good. Blast resistance, since the blight, and cold, fat-resistant, anti-down. An average of 585.7kg / 667m ~ 2, ranking the first district, in the province for multi-point trial, the highest is 884.3kg / 667m ~ 2. Liaojing 454 has a growth period of 155-158 days and is a middle-late-maturing variety suitable for planting rice in parts of Liaozhong, LiaoNan and Liaoxi areas south of Shenyang, as well as in the provinces of Tianjin, Beijing, Hebei, Shandong and Shandong.