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The Effects of Water Deficits on Slices of Beetroot and Potato Tissue:3

journal contribution
posted on 2023-06-08, 11:34 authored by C M Dessimoni Pinto, Tim Flowers
The effects of osmotically induced water deficits on the respiration, permeability, and ultra-structure of storage tissue are described. As the water potential was lowered respiration in both aged beetroot and potato discs was retarded with a concomitant rise in respiratory quotient. On return to water, the degree of recovery of the oxygen uptake appeared to be a function of the number of cells plasmolysed. The permeability data corroborated other evidence that membrane damage resulted when cells were plasmolysed. Deplasmolysis resulted in further and more extensive injury. Ultra-structural studies confirmed these findings and suggested that plasmolysis also affected mitochondrial structure.

History

Publication status

  • Published

Journal

Journal of Experimental Botany

ISSN

0022-0957

Publisher

Oxford University Press

Issue

3

Volume

21

Page range

754-767

Department affiliated with

  • Biology and Environmental Science Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-05-15

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