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Effect of soil volume and plant density on mycorrhizal infection and growth response |
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| Authors: | E. Bååth D. S. Hayman |
| Affiliation: | (1) Department of Soil Microbiology, Rothamsted Experimental Station, AL5 2JQ Harpenden, Hertfordshire, UK;(2) Present address: Department of Microbial Ecology, University of Lund, Ecology Building, Helgonavägen 5, S-223 62 Lund, Sweden |
| Abstract: | Summary The effect of soil volume and plant density on mycorrhizal infection and growth response was studied with onion. There was a significant negative correlation between percentage vesicular-arbuscular mycorrhizal infection and root density. The growth response due to mycorrhiza decreased when less soil was available for the plant. The root: shoot ratio decreased with increasing plant density in both mycorrhizal and non-mycorrhizal plants. Pot size did not affect the root: shoot ratio. |
| Keywords: | Growth response Mycorrhizal infection Onion Root density Soil volume VA mycorrhiza |
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