Dual inoculation with an arbuscular mycorrhizal fungus and rhizobium to facilitate the growth of alfalfa on coal mine substrates

F. Y. WU, Y. L. BI, Ming Hung WONG

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26 Citations (Scopus)

Abstract

A pot experiment was conducted to investigate the effects of Glomus mosseae and Rhizobium on Medicago sativa grown on three types of coal mine substrates, namely a mixture of coal wastes and sands (CS), coal wastes and fly ash (CF), and fly ash (FA). Inoculation with Rhizobium alone did not result in any growth response but G. mosseae alone displayed a significant effect on plant growth. G. mosseae markedly increased the survival rate of M. sativa in CS substrate. In CF and FA substrates the respective oven dry weights of M. sativa inoculated with G. mosseae were 1.8 and 5.1 times higher than those without inoculation. Based on nitrogen (N), phosphorus (P) and potassium (K) uptake and legume growth, the results also show that dual inoculation in CS and CF substrates elicited a synergistic effect. This indicates that inoculation with arbuscular mycorrhizal (AM) fungi may be a promising approach for revegetation of coal mine substrates. Copyright © 2009 Taylor & Francis Group, LLC.
Original languageEnglish
Pages (from-to)755-771
JournalJournal of Plant Nutrition
Volume32
Issue number5
DOIs
Publication statusPublished - 2009

Citation

Wu, F. Y., Bi, Y. L., & Wong, M. H. (2009). Dual inoculation with an arbuscular mycorrhizal fungus and rhizobium to facilitate the growth of alfalfa on coal mine substrates. Journal of Plant Nutrition, 32(5), 755-771. doi: 10.1080/01904160902787867

Keywords

  • Glomus mosseae
  • Rhizobium meliloti
  • Legume
  • Revegetation
  • Restoration

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