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The effect of VA mycorrhizal fungi, phosphorus and drought stress on the growth of Acacia nilotica and Leucaena leucocephala seedlings

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Abstract

The effect of vesicular-arbuscular mycorrhizal (VAM) fungi on growth and drought resistance of Acacia nilotica and Leucaena leucocephala seedlings was studied in a glasshouse experiment. The experimental design was a 2·2·2 factorial: ± mycorrhizal inoculation, ± application of phosphorus fertilizer and ± repeated drought treatment.

The growth promoting effect of VAM fungi equalled the effect of phosphorus fertilization after 12 weeks. The drought treatment reduced seedling biomass and nodulation. Differences between the plant species were found with respect to growth improvements due to VAM inoculation and/or phosphorus fertilization under drought stress conditions. The results are discussed in relation to plant drought resistance and reforestation in the subhumid to arid tropics.

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Authors and Affiliations

  1. Institute of Plant Ecology, University of Copenhagen, øFarimagsgade 2 D, DK-1353 K, Denmark

    A. Michelsen & S. Rosendahl

  2. Institut for Sporeplanter, University of Copenhagen, øFarimagsgade 2 D, DK-1353 K, Denmark

    A. Michelsen & S. Rosendahl

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  1. A. Michelsen
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  2. S. Rosendahl
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Michelsen, A., Rosendahl, S. The effect of VA mycorrhizal fungi, phosphorus and drought stress on the growth of Acacia nilotica and Leucaena leucocephala seedlings. Plant Soil 124, 7–13 (1990). https://doi.org/10.1007/BF00010925

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  • DOI: https://doi.org/10.1007/BF00010925

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