Tolerance ofFestuca rubra L. to zinc in relation to mycorrhizal infection |
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Authors: | L Symeonidis |
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Institution: | (1) Department of Botany, University of Thessaloniki, GR-54006 Thessaloniki, Greece |
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Abstract: | Summary Plant yield of mycorrhizal and non-mycorrhizalFestuca rubra L. was linearly decreased with increasing zinc concentrations in nutrient solution. In all cases, non-mycorrhizal plant growth was significantly greater than that of mycorrhizal plants. Zinc and phosphorus concentrations of root and shoot of mycorrhizal plants were greater in all zinc treatments while mycorrhizal plants showed equal or lower tolerance indices to zinc than non-mycorrhizal plants. Yield depressions of mycorrhizal plants may be the result of enhanced zinc and phosphorus concentrations combined with the cost for growth and maintenance of the mycorrhizal fungi. |
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Keywords: | Festuca rubra L Zinc tolerance Vesicular-arbuscular mycorrhiza |
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