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Difference in membrane permeability and composition of basal and apical mung bean hypocotyl segments



Difference in membrane permeability and composition of basal and apical mung bean hypocotyl segments



Monograph British Society for Plant Growth Regulation ( 21): 381-386



The membrane permeability to water of basal and apical hypocotyl segments was measured. The half-time for the efflux of tritiated water out of basal segments decreased with time, while the half-time of apical segments increased. These results reflect a different membrane permeability. Cortisol enhanced the permeability of basal and apical segments from 3 and 5 d after sowing, respectively. Removal of the roots increased the permeability of the apical segments.

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Accession: 002072214

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