Comparative anatomy of ectomycorrhizas synthesized on Douglas fir by Rhizopogon spp. and the hypogeous relative Truncocolumella citrina

The morphology and anatomy of ectomycorrhizas of Rhizopogon parksii, Rhizopogon vinicolor and Rhizopogon subcaerulescens, and a hypogeous relative, Truncocolumella citrina, synthesized on Douglas fir in glasshouse conditions using spore slurries as inoculum, are described and compared. Mycorrhizas f...

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Bibliographic Details
Published in:The New phytologist 2000-08, Vol.147 (2), p.389-400
Main Authors: MASSICOTTE, HUGUES B., MELVILLE, LEWIS H., PETERSON, R. LARRY, MOLINA, RANDY
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
anatomy
Animal organs
Biological and medical sciences
Economic plant physiology
Ectomycorrhizas
Forest soils
Fundamental and applied biological sciences. Psychology
Fungal spores
Fungi
Hyphae
Inoculation
Mycorrhizas
Parasitism and symbiosis
Pine trees
Plant physiology and development
Pseudotsuga menziesii
Research article
Rhizopogon
scanning electron microscopy
Seedlings
Symbiosis
Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...)
Truncocolumella
Truncocolumella citrina
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Summary:The morphology and anatomy of ectomycorrhizas of Rhizopogon parksii, Rhizopogon vinicolor and Rhizopogon subcaerulescens, and a hypogeous relative, Truncocolumella citrina, synthesized on Douglas fir in glasshouse conditions using spore slurries as inoculum, are described and compared. Mycorrhizas formed with R. parksii and R. vinicolor did not exhibit their characteristic subtuberculate morphology in these tests, but rather had a pinnate form. All species had diagnostic features of ectomycorrhizas: a well-developed Hartig net and a fungal mantle. In addition, several species exhibited crystal inclusions in the outer mantle, usually at the interface between the mantle and soil. Truncocolumella citrina had crystal-like inclusions within the mantle but external to fungal hyphae, a feature rarely described in ectomycorrhizas.
ISSN:0028-646X
1469-8137
DOI:10.1046/j.1469-8137.2000.00700.x