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园艺学报 ›› 2002, Vol. 29 ›› Issue (5): 451-453.

• 研究论文 • 上一篇    下一篇

丛枝菌根真菌对芋组织培养苗生长的影响

李 敏;刘鹏起;刘润进
  

  1. (莱阳农学院菌根生物技术实验室, 莱阳265200)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2002-10-25 发布日期:2002-10-25

Effect of Arbuscular Mycorrhizal Fungi on Micropagated Taro (Colocasia esculenta Schott. )

Li Min, Liu Pengqi, and Liu Runjin   

  1. (Mycorrhizal Laboratory , Laiyang Agriculture College , Laiyang 265200 , China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2002-10-25 Published:2002-10-25

摘要: 于温室盆栽条件下研究了丛枝菌根(AM) 真菌Gigaspora roseaGlomus mosseaeGlomus versi-forme 对芋(Colocasia esculenta) 组织培养苗移栽成活率、矿质营养、光合速率及生长的影响。结果表明, 接种AM真菌能提高芋组织培养幼苗移栽成活率和叶片光合速率, 降低气孔阻力; 其叶片和根内氮、磷、钾含量和生长量显著高于不接种对照。认为接种有效AM真菌是促进组织培养苗健康生长的重要技术。

关键词: AM真菌, 芋, 组织培养苗, 矿质营养, 光合速率

Abstract: Influence of arbuscular mycorrhizal (AM) fungi , Gigaspora rosea Nicolson & Schenck , Glomus mosseae (Nicol . & Gerd. ) Gerdemann & Trappe and Glomus versiforme (Karsten) on transplanting survive rate , mineral nutrients , photosynthesis , and growth of Colocasia esculenta was investigated under the condition of green-house. Results showed that the inoculation with AMfungi enhanced the survive rate , increased the contents of N , P , K, Cu and Zn et al . in the tissue of roots and leaves of the plant and improved photosynthetic rate and the growth. It was concluded that inoculation with AMfungi should be one of important biological techniques for micro-propagated plants.

Key words: Arbuscular mycorrhizal fungi, Colocasia esculenta, Micropropagated plant, Mineral nutrients, Photosynthesis

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