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ZINC TOLERANCE IN BETULA
Author(s) -
BROWN M. T.,
WILKINS D. A.
Publication year - 1985
Publication title -
new phytologist
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.742
H-Index - 244
eISSN - 1469-8137
pISSN - 0028-646X
DOI - 10.1111/j.1469-8137.1985.tb03639.x
Subject(s) - zinc , agar , botany , contamination , soil water , horticulture , biology , environmental chemistry , chemistry , ecology , bacteria , genetics , organic chemistry
S ummary Seed samples of Betula spp. from Zn‐contaminated and control sites were cultured on agar with added Zn. The samples from contaminated soils were more Zn tolerant than the controls. Detailed work on clonal material showed differences of tolerance within samples. Reducing the concentration of other ions, especially Ca, increased the toxicity of Zn. Chemical analyses of leaf material showed reduced uptake of Zn (a) in tolerant plants, and (b) in plants treated with high levels of Ca.