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Title: Effects of salinity on the water relations parameters of cells of tobacco roots measured by the pressure probe / S.D. Tyerman, P.M. Oats, J. Gibbs, M. Dracup and H. Greenway.
Author: Greenway, H. ; Gibb, J. ; Tyerman, S. D. ; Oats, P. ; Dracup, M. N. H.
Description: p. 32-34.
Subject: Turgor. ; Cell walls. ; Plant water relations. ; Australia. ; Tobacco. ; Salt tolerance. ; Saline water. ; Nicotiana tabacum. ; Gibbs, J. ; Growth effects. ; Salinity.
Notes: Article from: Membrane transport in plants and gungi, 1986.
Bibliography: p. 34.
[Variant title:Membrane transport in plants and fungi 1986.]
Type: Book
Abstract: Tobacco plants are able to grow, although slowly, in saline culture solutions of at least 200 mol m-3 NaC1; that is, an osmotic pressure of 0.9 MPa (Flowers et al. 1986). Since tobacco roots contain large cortex cells with an average volume of 2.5 x 10-13 m3, and are therefore suited to pressure probe measurements, tobacco plants were chosen to study effects of exposure of the roots to NaC1 on some important water relations parameters. Using roots in a quasi-steady-state or after sudden decreases in exterl NaC1 concentration, studies were made of: 1. turgor regulation; 2. water permeability; and 3. cell wall elasticity. Turgor pressures determined using the pressure probe were compared with those determined after expressing sap from tissue and calculati
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1 On Shelf DAWA Archival/Duplicates 633.71(94) EFF [PQ]
2 On Shelf Pamphlets 633.71(94) EFF [PQ]