草地学报

›› 2002, Vol. 10 ›› Issue (2): 92-96.DOI: 10.11733/j.issn.1007-0435.2002.02.003

• 研究报告 • 上一篇    下一篇

热研4号王草选育

刘国道, 白昌军, 王东劲, 易克贤, 韦家少, 何华玄, 周家锁   

  1. 中国热带农业科学院, 海南儋州, 571737
  • 收稿日期:2001-05-25 修回日期:2001-12-27 出版日期:2002-05-15 发布日期:2002-05-15
  • 作者简介:刘国道(1963- ),男,副研究员,从事热常牧草的科研、开发工作,已在国内外学术刊物上发表论文30多篇,出版专著2本

The Selection and Utilization of Reyan No.4 King Grass

LIU Guo-dao, BAI Chang-jun, WANG Dong-jin, YI Ke-xian, WEI Jia-shao, HE Hua-xuan, ZHOU Jia-suo   

  1. Trpical Pasture Research Center, CATAS, Danzhou, Hainan, 571737, China
  • Received:2001-05-25 Revised:2001-12-27 Online:2002-05-15 Published:2002-05-15

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摘要： 热研4号王草是象草和美洲狼尾草的杂交种。品比试验结果表明,干物质产量为59670kg/hm2,比对照(象草)增产21.9%。区域试验结果比对照增产11.3%-27.3%。生产试验结果比对照增产13.3%-25.0%。在刈割条件下,热研4号王草不能抽穗开花,利用期比象草延长5个月。

关键词: 热研4号王草, 选育, 利用

Abstract: Reyan No.4 King grass is a hybrid of Pennisetum purpureum and P.americana and was introduced from CIAT in 1984.The results from the variety testing show that the annual dry material production is 59670 kg/hm2,21.9% more than that of P.purpureum;The results from reginal trial show that the forage yield improved 11.3%-27.3% than that of P.Purpureum, and improved 13.3%-25.0% in production testing.The King grass has no head sprouting when cutting in the winter, and the time for utilization expended 5 months more than that of P.Purpureum.

Key words: Reyan No.4 King grass, Selecting and Breeding, Utilization

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