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Trichoderma populations from alkaline agricultural soil in the Nile valley, Egypt, consist of only two species

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Abstract

The biodiversity of Trichoderma was studied in the Northern half of the Nile valley in Egypt. 20 strains were isolated from 9 different geographic locations, representing 19 different habitats, all with a pH between 7.3 and 8.4. Only T. harzianum (three ITS1/2 haplotypes and three RAPD-genotypes) and the anamorph of Hypocrea orientalis were found. One of the T. harzianum haplotypes (4 strains) is new. The occurrence of T. harzianum haplotypes and of H. orientalis appeared to be essentially independent of the habitat (pH, plant, soil type), and also did not correlate with biochemical properties (cellulase and chitinase activity) of the individual strains. These two taxa seem to be indigenous to the Nile valley, their presence not being influenced by the agricultural history of the soils.

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Authors and Affiliations

  1. Botany Dept., Faculty of Science, South Valley University, Qena, Egypt

    Youssuf Gherbawy

  2. Division of Gene Technology and Applied Biochemistry, Institute of Chemical Engineering, TU Wien, Getreidemarkt 9-166.5, A-1060, Wien, Austria

    Irina Druzhinina & Christian P. Kubicek

  3. Botany Dept., Faculty of Science, El-Minia University, El Minia, Egypt

    Gihan M. Shaban & Mohamed A. El-Naghy

  4. Austrian Center of Biological Resources and Applied Mycology, Institute of Applied Microbiology (IAM), University of Agricultural Science, Nußdorfer Lände 11, A-1190, Wien, Austria

    Michael Wuczkowsky & Hans-Jörg Prillinger

  5. Botany Dept., Faculty of Science, Cairo University, Beni-suief, Egypt

    Manal Yaser

Authors
  1. Youssuf Gherbawy
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  2. Irina Druzhinina
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  3. Gihan M. Shaban
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  4. Michael Wuczkowsky
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  5. Manal Yaser
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  6. Mohamed A. El-Naghy
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  7. Hans-Jörg Prillinger
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  8. Christian P. Kubicek
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Correspondence to Christian P. Kubicek.

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Gherbawy, Y., Druzhinina, I., Shaban, G.M. et al. Trichoderma populations from alkaline agricultural soil in the Nile valley, Egypt, consist of only two species. Mycol Progress 3, 211–218 (2004). https://doi.org/10.1007/s11557-006-0091-y

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  • DOI: https://doi.org/10.1007/s11557-006-0091-y

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