Cell-specific localization of Na+ in roots of durum wheat and possible control points for salt exclusion
Sodium exclusion from leaves is an important mechanism for salt tolerance in durum wheat. To characterize possible control points for Na+ exclusion, quantitative cryo-analytical scanning electron microscopy was used to determine cell-specific ion profiles across roots of two durum wheat genotypes with contrasting rates of Na+ transport from root to shoot grown in 50 mm NaCl. The Na+ concentration in Line 149 (low transport genotype) declined across the cortex, being highest in the epidermal and...[Show more]
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|Source:||Plant Cell and Environment|
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