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闽育2号圆叶决明的选育研究

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为提高于草产量及适口性,2002年对闽引圆叶决明(Chamaecrista rotundifolia‘Minyin’,CPI86134)种子进行辐射诱变处理,选育出闽育2号圆叶决明(C.rotundi folia‘Minyu 2’),并于2012年通过全国草品种审定委员会审定.2005-2011年进行品种比较试验、区域试验和生产试验,结果表明:闽育2号圆叶决明干草产量为11000～14000 kg·hm-2,比对照品种闽引圆叶决明增产18.31％以上,种子产量为230～270 kg·hm-2,比对照品种增产6.38％,且为耐铝毒的决明品种,适宜在福建、广东等热带、亚热带(红壤)地区推广.
Breeding of Chamaecrista rotundifolia ‘ Minyu 2'
In order to improve hay yield and palatability,the seed of Chamaecrista rotundifolia‘Minyin'was treated with radiation-induced mutations and Chamaecrista rotundifolia ‘Minyu 2' was selected and registered by the Chinese Herbage Cultivar Registration Board (CHCRB) in 2012.Variety comparison trial,regional and field trials were conducted from 2005 to 2011.Results showed that the hay yield of ‘Minyu 2' was 11000 to 14000 kg · hm-2 and the seed yield was 230 to 270 kg · hm-2 which were 18.31％and 6.38 ％ higher than those of cultivar ‘ Minyu',respectively.Therefore,‘ Minyu 2' was an important aluminum-tolerance variety and was adapted to plant in tropical and sub-tropical regions such as Fujian and Guangdong provinces.

Chamaecrista rotundifolia ‘Minyu 2'Variety breedingHay yield

王俊宏、郑向丽、徐国忠

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福建省农业科学院农业生态研究所福建省山地草业工程技术研究中心福建省丘陵地区循环农业工程技术研究中心,福建福州350013

闽育2号圆叶决明 品种选育 产草量

福建省科技重大专项国家科技支撑计划生态农业科技创新团队

2012NZ0002-12013BAC08B03STIT-I-0305

2014

10.11733/j.issn.1007-0435.2014.02.027

草地学报
中国草学会

草地学报

CSTPCDCSCD北大核心
影响因子：1.156
ISSN：1007-0435
年,卷(期)：2014.22(2)
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