Adaptability of Chamaecrista rotundifolia ‘Minyin 2’

doi:10.11733/j.issn.1007-0435.2012.03.016

Acta Agrestia Sinica ›› 2012, Vol. 20 ›› Issue (3): 484-488.DOI: 10.11733/j.issn.1007-0435.2012.03.016

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Adaptability of Chamaecrista rotundifolia ‘Minyin 2’

CHEN Zhi-tong^1,2, LUO Xu-hui¹, LI Chun-yan¹, YING Zhao-yang¹, HUANG Yi-bin¹

1. Agricultural Ecology Institute, Fujian Academy of Agricultural Sciences; Fujian Engineering and Technology Research Center for Hilly Prataculture, Fuzhou, Fujian Province 350013, China;
2. College of Life Sciences, Fujian agriculture and forestry university, Fuzhou, Fujian Province 350002, China

Received:2011-11-07 Revised:2012-02-14 Online:2012-06-15 Published:2012-07-05

闽引2号圆叶决明的适应性研究

陈志彤^1,2, 罗旭辉¹, 李春燕¹, 应朝阳¹, 黄毅斌¹

1. 福建省农科院农业生态研究所福建省山地草业工程技术研究中心, 福建福州 350013;
2. 福建农林大学生命科学学院, 福建福州 350002

通讯作者: 应朝阳,E-mail:eagleying@21cn.com
作者简介:陈志彤(1979- ),男,福建安溪人,博士研究生,助理研究员,主要从事牧草育种及分子生物学研究,E-mail:crczt@163.com
基金资助:
农业部牧草种质资源收集保护项目;福建省财政专项"福建省农业科学院科技创新团队建设基金"(STIF-Y01);福建省科技计划公益类科研院所专项(2011R1019-4)(2010R1019-6)资助

Abstract

Abstract: In order to obtain high quality subtropical legume forage, 41 Chamaecrista spp. accessions were introduced from Australian Tropical Forage Genetic Resource Centre (ATFGRC) in 1996. Chamaecrista rotundifolia ‘Minyin 2’(ATF3248) was selected and registered by the Chinese Herbage Cultivar Registration Board (CHCRB) in 2011.Variety comparison trial, regional and field trials were conducted from 1997 to 2010.Results showed that the hay yield of Minyin 2 was 12000 to 15000 kg·hm^-2 and the seed yield was 200 to 400 kg·hm^-2 which were 27.7% and 25% higher than those of cultivar Minyin, respectively.Crude protein content in Minyin 2 harvested at full bloom stage was 16.9%. Therefore, Minyin 2 was an important perennia1 tropical legume and could be widely planted in tropical and subtropical region of China due to its good performance on hilly red soils.

Key words: Chamaecrista rotundifolia 'Minyin 2’, Adaptability, Hay yield

摘要： 为了筛选出更优质的亚热带豆科牧草,从澳大利亚牧草种质资源中心(ATFGRC)引进的41个决明属牧草中筛选出闽引2号圆叶决明(Chamaecrista rotundifolia ‘Minyin 2’,原品系号ATF3248),并于2011年通过全国草品种审定委员会审定。1997-2010年进行品种比较试验、区域试验和生产试验,结果表明:闽引2号圆叶决明系多年生直立型热带豆科牧草,干草产量达12000~15000 kg·hm^-2,比对照品种闽引圆叶决明(C. rotundifolia ‘Minyin’)增产27.7%以上,种子产量200~400 kg·hm^-2,比对照品种增产25%以上(P<0.05),盛花期植株含粗蛋白质16.9%,适宜在我国热带、亚热带红壤山地种植。

关键词: 闽引2号圆叶决明, 适应性, 产草量

CLC Number:

S541
S322

CHEN Zhi-tong, LUO Xu-hui, LI Chun-yan, YING Zhao-yang, HUANG Yi-bin. Adaptability of Chamaecrista rotundifolia ‘Minyin 2’[J]. Acta Agrestia Sinica, 2012, 20(3): 484-488.

陈志彤, 罗旭辉, 李春燕, 应朝阳, 黄毅斌. 闽引2号圆叶决明的适应性研究[J]. 草地学报, 2012, 20(3): 484-488.

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Adaptability of Chamaecrista rotundifolia ‘Minyin 2’

闽引2号圆叶决明的适应性研究

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