长粒型常规优质籼稻新品种桂育9号的选育
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摘要
【目的】选育高产长粒型高档优质常规稻新品种,为促进广西高档优质米产业发展提供良种支持。【方法】以长粒型品种黄华占为母本、高产优质品种力源占1号为父本进行杂交,选育出高产长粒型高档常规优质籼稻新品种,并于2011~2016年分别参加广西农业科学院水稻研究所自选育水稻品种比较试验、广西常规优质稻组品种区域试验和生产试验、桂北和高寒山区稻作区扩区试验,观察其综合表现。【结果】桂育9号的生育期早造123 d,晚造108 d,粒长7.1~7.3 mm,整精米率61.8%,千粒重23.5 g,每穗总粒数160.9粒,结实率76.6%,综合米质达国标一级优质米标准。在品比试验中,早、晚造平均产量分别达8628.0和6978.0 kg/ha,比对照种柳沙油占202(对照,CK)分别增产11.50%和13.50%。在区域试验中,早、晚造平均产量分别为6426.0和7290.0 kg/ha,比CK增产5.75%和11.47%。在生产试验中,晚造平均产量6514.5 kg/ha,比CK增产10.08%。桂北及高寒山区稻作区作为中稻种植时平均产量分别为9235.5和8433.0 kg/ha。在百色市和河池市百亩高产示范中,平均产量分别为9836.1和10944.0 kg/ha。桂育9号于2014年6月通过广西农作物品种审定委员会审定,编号为桂审稻2014039号,2017年9月获新品种权授权,授权号CNA20140926.1。【结论】桂育9号具有粒型长、产量高、整精米率高、米质优、耐肥、抗倒力强等优点,适宜在桂南、桂中稻作区作早、晚稻种植,在桂北稻作区作为早、中稻种植,也可在高寒山区稻作区作为中稻种植。
【Objective】High quality conventional indica rice varieties with long grain were bred to provide fine varieties for the development of high quality rice industry in Guangxi.【Method】The long-grain variety Huanghuazhan and high quality variety Liyuanzhan 1 were crossed as female parent and male parent respectively to breed new high quality conventional rice variety with long grain and high yield. Its comprehensive trait performance was investigated in rice variety comparative test of Rice Research Institute,Guangxi Academy of Agricultural Sciences,Guangxi regional trial and producing trial of high quality conventional rice group and the test of planting and extensional area in northern regions and alpine regions of Guangxi during 2011-2016.【Result】Growth duration of Guiyu 9 were 123 d at early cropping and 108 d at late cropping. Its grain length was 7.1-7.3 mm,head rice rate 61.8%,1000-grain weight 23.5 g,grain number per panicle160.9 and seed setting rate 76.6%. The comprehensive rice grain quality reached the first class according to rice quality standards of China.According to the variety comparative test,the average yields of Guiyu 9 in the early and late seasons were 8628.0 and 6978.0 kg/ha respectively,which increased by 11.50% and 13.50% compared to the control variety Liusayouzhan 202(CK). In Guangxi regional trial,the average yield of Guiyu 9 in the early and late seasons were 6426.0 and7290.0 kg/ha,increased by 5.75% and 11.47% compared with CK. In the producing trial,average yield of Guiyu 9 in the late season was 6514.5 kg/ha,increased by 10.08% compared with CK. In the test of medium rice planting area in northern regions and alpine regions of Guangxi,the average yields of Guiyu 9 were 9235.5 and 8433.0 kg/ha. In the high-yield demonstration test in Baise City and Hechi City,the average yield of Guiyu 9 were 9836.1 and 10944.0 kg/ha. Guiyu 9 passed the approval by Guangxi Committee for Approval of Agricultural Varieties in June,2014,receiving its serial number of Guangxi approved rice No.2014039. And it was authorized by New Variety Right in September,2017,receiving its patent number CNA20140926.1.【Conclusion】Guiyu 9 is featured by long grain,high yield and head rice rate,high rice quality,high fertilizer tolerance and lodging resistance. It is suitable for planting as early and late rice in middle and south regions of Guangxi,and as single early cropping rice or a medium rice in north regions,while as medium rice inalpineregions of Guangxi.
【Objective】High quality conventional indica rice varieties with long grain were bred to provide fine varieties for the development of high quality rice industry in Guangxi.【Method】The long-grain variety Huanghuazhan and high quality variety Liyuanzhan 1 were crossed as female parent and male parent respectively to breed new high quality conventional rice variety with long grain and high yield. Its comprehensive trait performance was investigated in rice variety comparative test of Rice Research Institute,Guangxi Academy of Agricultural Sciences,Guangxi regional trial and producing trial of high quality conventional rice group and the test of planting and extensional area in northern regions and alpine regions of Guangxi during 2011-2016.【Result】Growth duration of Guiyu 9 were 123 d at early cropping and 108 d at late cropping. Its grain length was 7.1-7.3 mm,head rice rate 61.8%,1000-grain weight 23.5 g,grain number per panicle160.9 and seed setting rate 76.6%. The comprehensive rice grain quality reached the first class according to rice quality standards of China.According to the variety comparative test,the average yields of Guiyu 9 in the early and late seasons were 8628.0 and 6978.0 kg/ha respectively,which increased by 11.50% and 13.50% compared to the control variety Liusayouzhan 202(CK). In Guangxi regional trial,the average yield of Guiyu 9 in the early and late seasons were 6426.0 and7290.0 kg/ha,increased by 5.75% and 11.47% compared with CK. In the producing trial,average yield of Guiyu 9 in the late season was 6514.5 kg/ha,increased by 10.08% compared with CK. In the test of medium rice planting area in northern regions and alpine regions of Guangxi,the average yields of Guiyu 9 were 9235.5 and 8433.0 kg/ha. In the high-yield demonstration test in Baise City and Hechi City,the average yield of Guiyu 9 were 9836.1 and 10944.0 kg/ha. Guiyu 9 passed the approval by Guangxi Committee for Approval of Agricultural Varieties in June,2014,receiving its serial number of Guangxi approved rice No.2014039. And it was authorized by New Variety Right in September,2017,receiving its patent number CNA20140926.1.【Conclusion】Guiyu 9 is featured by long grain,high yield and head rice rate,high rice quality,high fertilizer tolerance and lodging resistance. It is suitable for planting as early and late rice in middle and south regions of Guangxi,and as single early cropping rice or a medium rice in north regions,while as medium rice inalpineregions of Guangxi.
引文
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沈希宏,程式华,曹立勇,傅秀民,占小登.2013.长粒型优质抗病粳稻不育系长粳1A的选育[J].杂交水稻,28(4):15-17.[Shen X H,Cheng S H,Cao L Y,Fu X M,Zhan X D.2013.Breeding of long-grain japonica CMS line Changjing 1A with fine grain quality and good disease resistance[J].Hybrid Rice,28(4):15-17.]
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