草地学报

›› 2011, Vol. 19 ›› Issue (1): 147-156.DOI: 10.11733/j.issn.1007-0435.2011.01.026

• 研究论文 • 上一篇    下一篇

热研18号柱花草选育及利用

白昌军, 刘国道, 严琳玲, 陈志权, 虞道耿   

  1. 1. 中国热带农业科学院作物品种资源研究所, 海南, 儋州, 571737;
    2. 农业部热带作物种质资源利用重点开放实验室, 海南, 儋州, 571737
  • 收稿日期:2009-09-14 修回日期:2010-12-24 出版日期:2011-02-15 发布日期:2011-02-15
  • 作者简介:白昌军(1967- ),男,甘肃民勤人,研究员,博士,从事热带牧草种质资源保存、鉴定评价、新品种选育等方面研究,E-mail:baichangiun2000@yahoo.com.cn
  • 基金资助:
    物种资源保护项目;国家科技支撑计划(2008BADB3B08);国家重点研究发展计划(973)项目(2007CB108903)资助

Breeding and Utilization of Stylosanthes guianensis cv. Reyan No.18

BAI Chang-jun, LIU Guo-dao, YAN Lin-ling, CHEN Zhi-quan, YU Dao-gen   

  1. 1. Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan Province 571737, China;
    2. Ministry of Agriculture Key Laboratory for Utilization of Tropical Crops Germplasm Resources, Danzhou, Hainan Province 571737, China
  • Received:2009-09-14 Revised:2010-12-24 Online:2011-02-15 Published:2011-02-15

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摘要： 1996年从哥伦比亚国际热带农业中心引入GC1581柱花草(Stylosanthes guianensis Sw.GC 1581),并于1996-1997年进行原始材料的生态适应性鉴定评价,1998-2000年进行品种比较试验,2002-2005年在海南和云南进行区域性试验,2003-2007年在海南进行生产性试验。结果表明:热研18号柱花草牧草产量达11420.0 kg·hm-2·a-1,比热研5号柱花草高16.16%(P<0.05);热研18号柱花草抗柱花草炭疽病,可耐4~5个月的连续干旱,在年降水600 mm以上的热带地区表现良好,尤耐低肥力土壤、酸性土壤(pH 4.0~4.5)和低磷土壤,可耐受一定程度遮荫,在桉树(Eucalyptus)人工林和胶园作为覆盖作物表现出良好的持久性,具有较好的放牧与刈割性能,适合我国热带、亚热带地区种植,尤其适于华南地区大面积推广。

关键词: 热研18号柱花草, 选育, 利用

Abstract: Stylosanthes guianensis Sw.GC 1581 was introduced from CIAT in 1996 with ecological adaptability trials evaluated in 1996-1997.Comparative trial followed in 1998-2000,and then regional and productive trials were conducted during 2002-2005 and 2003-2007 respectively.Preliminary results show that dry matter yield of Stylosanthes guianensis Sw.cv.Reyan 18 is 11420.0 kg·hm-2·a-1 which is significantly higher than that of Stylosanthes guianensis cv.Reyan No.5(P<0.05).It also has higher resistance to stylo anthracnose and could endure hot dry periods more than 4-5 months and maintain good growth during dry season.Stylosanthes guianensis Sw.cv.Reyan 18 could tolerate poor soil,low phosphor fertility and acid soil especially in pH 4.0～4.5.It also has good growth under eucalypt artificial forests and rubber plantation as cover crops.It was suitable for grazing,cutting systems and planting in tropical and sub-tropical regions especially in South-China.

Key words: Stylosanthes guinaensis cv.Reyan No.18, Selecting and breeding, Utilization

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