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Vertical distribution of arbuscular mycorrhizal fungi under corn (Zea mays L.) in no-till and conventional tillage systems

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Abstract

 We compared the vertical distribution (0–25 cm) of arbuscular mycorrhizae, extraradical hyphae, and glomalean spores at grain-filling of corn under conventional tillage versus no tillage. Root colonization, total hyphae density, and spore density were correlated, and were highest at a depth of 0–15 cm in soil. Tillage significantly reduced total hypha density and spore density at 0–5 cm depth, but did not affect root colonization. Plowing below 15 cm is likely to diminish AM fungus inocula in the rooting zone of establishing seedlings.

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Authors and Affiliations

  1. Department of Horticulture, 102 Tyson Building, The Pennsylvania State University, University Park, PA 16802, USA e-mail: mzk5@psu.edu, Fax: +1-814-863-6139, , , , , , US

    Z. Kabir

  2. Department of Land Resource Science, University of Guelph, Guelph, Ontario, Canada, N1G 2W1, , , , , , CA

    I. P. O'Halloran

  3. Department of Biology, Concordia University, 1455 De Maisonneuve West, Montreal, Canada, H9G 1M8, , , , , , CA

    P. Widden

  4. Department of Natural Resource Sciences, McGill University, Macdonald Campus, 21,111 Lakeshore Road, Ste-Anne-de-Bellevue, Quebec, Canada, H9X 3V9, , , , , , CA

    C. Hamel

Authors
  1. Z. Kabir
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  2. I. P. O'Halloran
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  3. P. Widden
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  4. C. Hamel
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Accepted: 19 April 1998

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Kabir, Z., O'Halloran, I., Widden, P. et al. Vertical distribution of arbuscular mycorrhizal fungi under corn (Zea mays L.) in no-till and conventional tillage systems. Mycorrhiza 8, 53–55 (1998). https://doi.org/10.1007/s005720050211

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  • DOI: https://doi.org/10.1007/s005720050211

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