Gradients in water potential and turgor pressure along the translocation pathway during grain filling in normally watered and water-stressed wheat plants

Plant Physiology

Volumn 123, Issue 1, 2000, Pages 139-147

  Fisher, Donald B ^a   Cash Clark, Cora E ^a  

^a WASHINGTON STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ENDOSPERM; HYDRAULIC RESISTANCE; PARENCHYMA; PEDUNCLE; PERICARP; SIEVE TUBE; TURGOR; WATER POTENTIAL; WATER STRESS;

TRITICUM AESTIVUM;

EID: 0034028491     PISSN: 00320889     EISSN: None     Source Type: Journal    
DOI: 10.1104/pp.123.1.139     Document Type: Article

References (26)

1. Barlow EWR, Lee JW, Munns R, Smart MG (1980) Water relations of developing wheat grains. Aust J Plant Physiol 7: 519-525
2. Bradford KJ (1994) Water stress and the water relations of seed development: a critical review. Crop Sci 34: 1-11
3. Fisher DB (1985) In situ measurement of plant water potentials by equilibration with microdroplets of polyethylene glycol 8000. Plant Physiol 79: 270-273
4. Fisher DB (1990) Measurement of phloem transport rates by an indicator-dilution technique. Plant Physiol 94: 455-462
5. Fisher DB (1995) Phloem unloading in developing wheat grains. In HG Pontis, GL Salerno, EJ Echeverria, eds, Sucrose Metabolism, Biochemistry, Physiology and Molecular Biology. American Society of Plant Physiologists, Rockville, MD, pp 206-215
6. Fisher DB, Cash-Clark CE (2000) Sieve tube unloading and post-phloem transport of fluorescent tracers and proteins injected into sieve tubes via severed aphid stylets. Plant Physiol 123: 125-137
7. Fisher DB, Frame JM (1984) A guide to the use of the exuding-stylet technique in phloem physiology. Planta 161: 385-393
8. Fisher DB, Gifford RM (1986) Accumulation and conversion of sugars by developing wheat grains: VI. Gradients along the transport pathway from the peduncle to the endosperm cavity during grain filling. Plant Physiol 82: 1024-1030
9. Fisher DB, Gifford RM (1987) Accumulation and conversion of sugars by developing wheat grains: VII. Effects of sieve tube and endosperm cavity sap concentrations on the grain filling rate. Plant Physiol 84: 341-347
10. 14C-sucrose import by developing wheat grains. Plant Physiol 101: 391-398
11. Fisher DB, Wang N (1995) Sucrose concentration gradients along the post-phloem transport pathway in the maternal tissues of developing wheat grains. Plant Physiol 109: 587-592
12. 14C-labeled assimilate into grains of wheat: III. Diffusion of THO through the stalk. Aust J Plant Physiol 12: 595-608
13. -14 moles of sucrose in plant tissues. Plant Physiol 60: 379-383
14. Kermode AR (1990) Regulatory mechanisms involved in the transition from seed development to germination. CRC Crit Rev Plant Sci 9: 155-195
15. Lang A (1990) Xylem, phloem and transpiration flows in developing apple fruits. J Exp Bot 41: 645-651
16. Lang A, Thorpe MR (1989) Xylem, phloem and transpiration flows in a grape: application of a technique for measuring the volume of attached fruits to high resolution using Archimedes' principle. J Exp Bot 40: 1069-1078
17. Luttrell ES (1980) Host-parasite relationships and development of the ergot sclerotium in Claviceps purpurea. Can J Bot 58: 942-958
18. O'Brien TP, Sammut ME, Lee JW, Smart MG (1985) The vascular system of the wheat spikelet. Aust J Plant Physiol 12: 487-511
19. Tyree MT, Christy AL, Ferrier JM (1974) A simpler iterative steady-state solution of Munch pressure-flow systems applied to long and short translocation paths. Plant Physiol 54: 589-560
20. Walbot V (1978) Control mechanisms for plant embryogeny. In ME Clutter, ed, Dormancy and Developmental Arrest. Academic Press, New York, pp 114-167
21. Wang N, Fisher DB (1994a) Monitoring phloem unloading and post-phloem transport by microperfusion of attached wheat grains. Plant Physiol 104: 7-16
22. Wang N, Fisher DB (1994b) The use of fluorescent tracers to characterize the post-phloem transport pathway in maternal tissues of developing wheat grains. Plant Physiol 104: 17-27
23. Westgate ME, Schussler JR, Reicosky DC, Brenner ML (1989) Effect of water deficits on seed development in soybean: II. Conservation of seed growth rate. Plant Physiol 91: 980-985
24. Wright JP, Fisher DB (1980) Direct measurement of sieve tube turgor pressure using severed aphid stylets. Plant Physiol 65: 1133-1135
25. Wright JP, Fisher DB (1983) Estimation of the volumetric elastic modulus and membrane hydraulic conductivity of willow sieve tubes. Plant Physiol 73: 1042-1047
26. Zee SY, O'Brien TP (1970) A special type of tracheary element associated with 'xylem discontinuity' in the floral axis of wheat. Aust J Biol Sci 23: 783-791