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Effect of manganese on vesicular-arbuscular mycorrhizal development in red clover plants and on soil Mn-oxidizing bacteria

✍ Scribed by J. Arines; M. E. Porto; A. Vilariño


Publisher
Springer-Verlag
Year
1992
Tongue
English
Weight
500 KB
Volume
1
Category
Article
ISSN
0940-6360

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✦ Synopsis


The effect of manganese on the development of vesicular-arbuscular (VA) mycorrhizae and on the population of Mn-oxidizing soil bacteria was studied using red clover as host plant and Glomus mosseae or G. aggregatum as VA-colonizing fungi. The addition of Mn to the substrate in which plants grew had a detrimental effect on root colonization, G. aggregatum being more susceptible than G. mosseae. Mn uptake was lower in mycorrhizal than in non-mycorrhizal plants, especially when colonized by G. mosseae. The development of mycorrhizae seems to favour the Mn-oxidizing bacteria population.


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