Seasonality of VAM infection in three populations of Agrostis capillaris (Gramineae) on soil with or without heavy metal enrichment

Three populations of the perennial grass Agrostis capillaris, growing on limestone derived clay with and without natural enrichment of the heavy metals cadmium, lead, and zinc, and on a sandy soil polluted by a metal smelter have been investigated with regard to the percentage and seasonality of inf...

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Bibliographic Details
Published in:Plant and soil 1992, Vol.139 (1), p.67-73
Main Authors: Ietswaart, J.H. (Vrije Univ., Amsterdam (Netherlands). Vakgroep Ecologie en Ecotoxicologie), Griffioen, W.A.J, Ernst, W.H.O
Format: Article
Language:English
Subjects:
Acid soils
Agronomy. Soil science and plant productions
AGROSTIS CAPILLARIS
Biological and medical sciences
CADMIO
CADMIUM
CINC
Economic plant physiology
Fundamental and applied biological sciences. Psychology
HEAVY METALS
Infections
LEAD
METAL LOURD
METALES PESADOS
MICORRIZAS ARBUSCULARES VESICULARES
MYCORHIZE A VESICULE ET ARBUSCULE
Plant roots
Plants
PLOMB
PLOMO
POLLUTION DU SOL
POLUCION DEL SUELO
Population growth
Seasons
Soil ecology
SOIL POLLUTION
Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...)
VESICULAR ARBUSCULAR MYCORRHIZAE
ZINC
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Summary:Three populations of the perennial grass Agrostis capillaris, growing on limestone derived clay with and without natural enrichment of the heavy metals cadmium, lead, and zinc, and on a sandy soil polluted by a metal smelter have been investigated with regard to the percentage and seasonality of infection with vesicular-arbuscular mycorrhizal (VAM) fungi and its impact on mineral nutrition. In all populations VAM infection was lowest during winter, and highest during late summer and autumn. The population at the metal smelter site was less infected by VAM fungi than both other populations. The concentration of mineral nutrients for the three populations was clearly related to the soil concentration, but hardly modified by the degree of VAM infection.
ISSN:0032-079X
1573-5036
DOI:10.1007/BF00012843