Selection of more effective AMF strains for Canavalia ensiformis growing on a Red Ferralitic soil

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Gloria M. Martín

Abstract

Some green manure species can increase the
potential content of soil mycorrhizal fungi, since they improve
P absorption and the subsequent crop yields, compared to
fallow systems. This experiment was conducted with this
purpose in 5-kg-capacity pots containing Nitisol from
September to November 2007 and 2008. A randomized complete
experimental design was used with six replicates. Treatments
consisted of sowing two seeds of Canavalia ensiformis per
pot besides adding 10 g of certified inoculum (25 AMF
spores.g-1 inoculum), selecting strains from Glomus mosseae,
Glomus claroideum and Glomus hoi-like species out of INCA´s
strain bank. Non-inoculated plants and non-sterilized soil were
used as check control. Dry weight, leaf analysis and AMF
spore count were determined and the best results were obtained
by Glomus hoi-like. Results showed a notable NPK absorption
difference between strain-inoculated plants and the noninoculated
control. A soil AMF spore multiplication effect was
observed, after cutting strain-inoculated jackbean plants. The
positive answer to AMF inoculation depends on two factors:
the inoculated species and substrate nutrient richness.

Article Details

How to Cite
Martín, G. M. (2012). Selection of more effective AMF strains for Canavalia ensiformis growing on a Red Ferralitic soil. Cultivos Tropicales, 31(1), 27–31. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/113
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Original Article

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