Increased Sporulation of Vesicular-Arbuscular Mycorrhizal Fungi by Manipulation of Nutrient Regimens | Zendy

David D. Douds | Zendy; N. C. Schenck | Zendy

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Increased Sporulation of Vesicular-Arbuscular Mycorrhizal Fungi by Manipulation of Nutrient Regimens

Author(s) -

David D. Douds,

N. C. Schenck

Publication year - 1990

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.56.2.413-418.1990

Subject(s) - spore , acaulospora , colonization , paspalum notatum , nutrient , biology , glomus , phycomycetes , mycorrhiza , botany , hoagland solution , fungus , agronomy , horticulture , bacteria , arbuscular mycorrhizal , symbiosis , microbiology and biotechnology , inoculation , ecology , genetics

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 ofAcaulospora 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 NH4 NO3 decreased both colonization and sporulation byG. margarita relative to levels produced by Hoagland solution without P.

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