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Updated: Feb 11, 2026

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae
Published on: July 10, 2015
RELATIONSHIPS BETWEEN TOLERANCE TO HEAVY METALS IN AGROSTIS CAPILLARIS L. (A. TENUIS SIBTH.)
M O Humphreys And1, M K Nicholls1
1Welsh Plant Breeding Station, Plas Gogerddan, Aberystwyth, SY23 3EB, UKTrinity and All Saints College, Horsforth, Leeds, LSI8 5HD, UK.
Abstract:
Heavy-metal tolerance was investigated in Agrostis capillaris L. (A. tenuis Sibth.) using a standard rooting test on plants originating from a copper-contaminated site (Parys Mountain) and a lead-contaminated site (Goginan). Six F1 families obtained by interpopulation hybridization and F2 and backcross generations derived from one of them were screened. Estimates of the genetic and environmental components of phenotypic correlation were obtained in terms of both root length and tolerance index. Results are discussed in relation to problems of interpretation of evidence for multiple- or co-tolerance based on tolerance indices and phenotypic correlations.
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