Affiliation:
1. Plant Pathology Department, University of Florida, Gainesville, Florida 32611
Abstract
Adjustment of pot culture nutrient solutions increased root colonization and sporulation of vesicular-arbuscular mycorrhizal (VAM) fungi.
Paspalum notatum
Flugge and VAM fungi were grown in a sandy soil low in N and available P. Hoagland nutrient solution without P enhanced sporulation in soil and root colonization of
Acaulospora longula, Scutellospora heterogama, Gigaspora margarita,
and a wide range of other VAM fungi over levels produced by a tap water control or nutrient solutions containing P. However,
Glomus intraradices
produced significantly more spores in plant roots in the tap water control treatment. The effect of the nutrient solutions was not due solely to N nutrition, because the addition of NH
4
NO
3
decreased both colonization and sporulation by
G. margarita
relative to levels produced by Hoagland solution without P.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
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