The effects of zinc on cell viability and on mitochondrial structure in contrasting cultivars of Festuca rubra L. - a rapid test for zinc tolerance.


A 20-min exposure to 5.0 microg Zn cm(-3) reduced the percentage of viable root meristematic cells in three cultivars of Festuca rubra L.: Merlin (Zn-tolerant), Hawk (salt-tolerant but with a degree of Zn tolerance) and S59 (Zn-sensitive). The Zn-induced cell mortality in S59 was approximately twice that of the tolerant cultivars. The mean area of… (More)


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