Inland sand dune mycorrhizae: effects of soil depth, moisture, and pH on colonization of Oryzopsis hymenoides

The occurrence of vesicular arbuscular mycorrhizae was reconfirmed in Oryzopsis hymenoides, a major graminoid species on western sand dunes. A bioassay was used to determine the ability of soil from O. hymenoides stands to support formation of vesicular arbuscular mycorrhizae. Regression analyses of...

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Bibliographic Details
Published in:Mycologia 1995-01, Vol.87 (1), p.54-60
Main Authors: Al-Agely, A.K. (Colorado State University, Fort Collins, CO.), Reeves, F.B
Format: Article
Language:English
Subjects:
Agricultural soils
CARACT MORFOLOGICAS DEL SUELO
COLORADO
CONTENIDO DE AGUA EN EL SUELO
DEPTH
DUNAS
DUNE
Dune soils
DUNES
Ecology
EDAPHIC FACTORS
FACTEUR EDAPHIQUE
FACTORES EDAFICOS
Indian ricegrass
MICORRIZAS ARBUSCULARES VESICULARES
MYCORHIZE A VESICULE ET ARBUSCULE
Mycorrhizae
Mycorrhizas
ORYZOPSIS
Oryzopsis hymenoides
Plants
PROFONDEUR
PROFUNDIDAD
PROPIEDADES FISICO-QUIMICAS SUELO
PROPRIETE PHYSICOCHIMIQUE DU SOL
Sand dunes
SIMBIOSIS
SOIL CHEMICOPHYSICAL PROPERTIES
Soil depth
Soil fungi
SOIL MORPHOLOGICAL FEATURES
Soil pH
Soil water
SOIL WATER CONTENT
SYMBIOSE
SYMBIOSIS
TENEUR EN EAU DU SOL
TRAIT MORPHOLOGIQUE DU SOL
VESICULAR ARBUSCULAR MYCORRHIZAE
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Summary:The occurrence of vesicular arbuscular mycorrhizae was reconfirmed in Oryzopsis hymenoides, a major graminoid species on western sand dunes. A bioassay was used to determine the ability of soil from O. hymenoides stands to support formation of vesicular arbuscular mycorrhizae. Regression analyses of the bioassay results were used to predict the relationship between mycorrhiza formation and differences in surrounding vegetation and differences in initial soil depth, soil water content, and soil pH. There was a strong positive correlation between mycorrhiza formation and the amount of above ground plant cover. There was a strong negative correlation between mycorrhiza formation and increases in initial soil depth, moisture, and pH.
ISSN:0027-5514
1557-2536
DOI:10.1080/00275514.1995.12026502