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2013年广西桂中北稻作区晚稻中熟组区域试验报告
作者: 韦荣维1  莫千持2  梁仁敏3  何永祥4  韦 斌5  李家文6  罗同平1  黄 斌1  
单位: (1 柳州市农业科学研究所  广西 柳州 545003;2 桂林市农业科学研究所  广西 桂林 541000;3 河池市农业科学研究所  
关键词: 水稻新品种  中熟组  区域试验  桂中北稻作区  综合性状  
分类号:S511.32
出版年,卷(期):页码:2014 ,45 ( 7 ): 页码:1178-1182
摘要:

【目的】2013年在广西桂中北稻作区开展晚稻中熟组区域试验,筛选出适宜在该稻作区种植的水稻新品种。【方法】分别以T78优2155、五优308为对照,对参加2013年广西桂中北稻作区晚稻中熟组区试的水稻新品种11个(H两优1712、中百优2155、乐优1067、五优255、全优915、德优108、恒丰优2155、惠两优116、航两优705、香丰优26、龙两优1439)进行生育期、产量及其构成因素、抗性表现和品质等鉴定。【结果】除H两优1712生育期偏长外(107.5 d),大部分参试水稻品种表现为熟期适中,为103.3~105.5 d,与T78优2155(CK1)相差0~3 d。H两优1712、德优108、恒丰优2155、惠两优116和龙两优1439产量分别为7120.5、6931.5、6937.5、7162.5和6865.5 kg/ha,均高于两个对照。H两优1712中感稻瘟病,优于对照;德优108、恒丰优2155、惠两优116和龙两优1439感稻瘟病,与对照相当。惠两优116和龙两优1439中感白叶枯病,优于对照;H两优1712、德优108和恒丰优2155感~高感白叶枯病,与对照相当。5个品种H两优1712、德优108、恒丰优2155、惠两优116和龙两优1439的产量、米质和抗性等综合性状均优于对照,而五优225、航两优705、香丰优26 3个品种的产量、米质和抗性等综合性状比对照差。【结论】H两优1712、德优108两个品种可推荐省级评审;恒丰优2155、惠两优116、龙两优1439按试验程序继续参加2014年区域试验及生产试验,五优225、航两优705、香丰优26终止试验。

【Objective】The regional trial of late rice middle-maturity group were conducted in 2013 in order to select new rice varieties that suitable for planting in Northern and Central Guangxi. 【Method】Two rice varieties T78you 2155 and Wuyou 308 were used as control, 11 tested new late rice varieties included H-Liangyou 1712, Zhongbaiyou 2155, Leyou 1067, Wuyou 255, Quanyou 915, Deyou 108, Hengfengyou 2155, Huiliangyou 116, Hangliangyou 705, Xiangfeng-
you26 and Longliangyou 1439. The duration, yield and its component factors, disease resistance and quality of the above rice varieties were identified in regional trial of rice planting regions of Northern and Central Guangxi in 2013. 【Result】The duration with 107.5 days of H-Liangyou 1712 leaned to the longer, and most of the tested varieties showed appropriate mature period with 103.3-105.5 days, which ranged from 0-3 days as compared with T78you 2155(CK1). The yield of 5 varieties viz., H-Liangyou 1712, Deyou108, Hengfengyou 2155, Huiliangyou 116, Longliangyou 1439 were 7120.5, 6931.5, 6937.5, 7162.5 and 6865.5 kg/ha, respectively, which was higher than that of two control.  H-Liangyou 1712 was modrate susceptible to rice blast that better than the controls. Four varieties viz., Deyou108, Hengfengyou 2155, Huiliangyou 116, Longliangyou 1439 were susceptible or highly susceptible to rice blast, which were equivalent to control. Huiluangyou 116 and Longliangyou 1439 were moderate susceptible to bacterial blight, which showed better than the controls. Three varieties viz., H-Liangyou 1712, Deyou 108, Hengfengyou 2155 were susceptible or highly susceptible to bacterial blight. Among the tested varieties, five rice varieties viz., H-Liangyou 1712, Deyou108, Hengfengyou 2155, Huiliangyou 116, Longliangyou 1439 presented better comprehensive performance of yield, grain quality and resistance than the two controls, while 3 rice varieties Wuyou 225, Hangliangyou 705 and Xiangfengyou 26 were worse than the controls. 【Conclusion】H-Liangyou 1712 and Deyou108 could be recommended for provincial appraisal, Hengfengyou 2155, Huiliangyou 116, Longliangyou 1439 were needed to take part in regional test and production test in 2014, while 3 varieties (Wuyou 225, Hangliangyou 705, Xiangfengyou 26) would be obsoleted.

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