Abstract
Copper tolerance in Silene vulgaris seems to be controlled by two major genes. One segregates only in crosses to non-tolerants but never in crosses between tolerants originating from different isolated populations. The second segregates only in crosses to plants from the most tolerant population. The level of tolerance in tolerant plants seems to be controlled by two additional genes, which are hypostatic to the first major gene. They segregate in crosses to non-tolerants but not in crosses between equally homozygous tolerant plants from different populations. It is argued that all the genes are involved in the control of an exclusion mechanism operating at the plasmalemma.
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Schat, H., Kuiper, E., Bookum, W. et al. A general model for the genetic control of copper tolerance in Silene vulgaris: evidence from crosses between plants from different tolerant populations. Heredity 70, 142–147 (1993). https://doi.org/10.1038/hdy.1993.23
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DOI: https://doi.org/10.1038/hdy.1993.23
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