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Water-use efficiency in rice (Oryza sativa L.) in relation to resistance to salinity

journal contribution
posted on 2023-06-08, 11:31 authored by Tim Flowers, F M Salama, A R Yeo
The effects of sodium chloride on water-use efficiency of a number of varieties of rice have been investigated. Sensitivity to salinity in rice arises in large part from excessive rates of sodium ion transport to the shoot consequent upon high rates of transpirational water loss. Varietal differences in water-use efficiency were found: these were greater when measured for whole shoots over a period of one week, than when made as instantaneous measurements on individual leaves. Salinity had rather little effect on water use efficiency but overall resistance of seedlings to salt was, in general, greater the greater the water-use efficiency. The reasons for the differences between varieties are discussed in terms of differences in growth pattern: among the seven varieties investigated, water-use efficiency and salt-resistance were lower in dwarfed as opposed to non-dwarfed varieties.

History

Publication status

  • Published

Journal

Plant, Cell & Environment

ISSN

0140-7791

Publisher

Blackwell Publishing

Issue

6

Volume

11

Page range

453-459

Department affiliated with

  • Evolution, Behaviour and Environment Publications

Notes

Times Cited: 13 Flowers, tj salama, fm yeo, ar

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-05-15

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