K+ status and ABA affect both exudation rate and hydraulic conductivity in sunflower roots

Physiologia Plantarum

Volumn 102, Issue 2, 1998, Pages 279-284

  Quintero, José M ^a   Fournier, José M ^a   Ramos, José ^b   Benlloch, Manuel ^a  

^a Dept de Agronomía ^*

^b Escuela Tecnica Superior de Ingenieros Agronomos y de Montes Universidad de Co   (Spain)

Author keywords

ABA; Exudation rate; Helianthus annuus; Hydraulic conductivity; Potassium; Sunflower

Indexed keywords

ABSCISIC ACID; PLANT DEVELOPMENT; POTASSIUM; SUNFLOWER; XYLEM;

HELIANTHUS ANNUUS;

EID: 0031950152     PISSN: 00319317     EISSN: None     Source Type: Journal    
DOI: 10.1034/j.1399-3054.1998.1020216.x     Document Type: Article

References (28)

1. Bačić, G. & Ratković, S. 1987. NMR studies of radial exchange and distribution of water in maize roots: The relevance of modelling of exchange kinetics. - J. Exp. Bot. 38: 1284-1297.
2. BassiriRad, H. & Radin, J. W. 1992. Temperature-dependent water and ion transport properties of barley and sorghum roots. II. Effects of abscisic acid. - Plant Physiol. 99: 34-37.
3. _, Radin, J. W. & Matsuda, K. 1991. Temperature-dependent water and ion transport properties of barley and sorghum roots. I. Relationship to leaf growth. - Plant Physiol. 97: 426-432.
4. Benlloch, M., Moreno, I. & Rodríguez-Navarro, A. 1989. Two modes of rubidium uptake in sunflower plants. - Plant Physiol. 90: 939-942.
5. _, Ojeda, M. A., Ramos, J. & Rodríguez-Navarro, A. 1994. Salt sensitivity and low discrimination between potassium and sodium in bean plants. - Plant Soil 166: 117-123.
6. Chandler, P. M. & Robertson, M. 1994. Gene expression regulated by abcisic acid and its relation to stress tolerance. - Annu. Rev. Plant Physiol. Plant Mol. Biol. 45: 113-141.
7. Chrispeels, M. J. & Maurel, C. 1994. Aquaporins: The molecular basis of facilitated water movement through living plant cells? - Plant Physiol. 105: 9-13.
8. Davies, W. & Zhang, J. 1991. Root signals and the regulation of growth and the development of plants in drying soil. -Annu. Rev. Plant Physiol. Plant Mol. Biol. 42: 55-76.
9. + status. - Physiol. Plant. 68: 632-636.
10. Else, M. A., Davies, W. J., Malone, M. & Jackson, M. B. 1995. A negative hydraulic message from oxygen-deficient roots of tomato plants? Plant Physiol. 109: 1017-1024.
11. Fiscus, E. L. 1981. Effects of abscisic acid on the hydraulic conductance of and the total ion transport through Phaseolus root systems. - Plant Physiol. 68: 169-174.
12. Fournier, J. M., Benlloch, M. & De La Guardia, M. D. 1987. Effect of abscisic acid on exudation of sunflower roots as affected by nutrient status, glucose level and aeration. -Physiol. Plant. 69: 675-679.
13. Glinka, Z. 1980. Abscisic acid promotes both volume flow and ion release to the xylem in sunflower roots. - Plant Physiol. 65: 537-540.
14. Hanson, P. J., Sucoff, E. I. & Markhart, A. H. III. 1985. Quantifying apoplastic flux through red pine root systems using trisodium, 3-hydroxy-5,8,10-pyrenetrisulfonate. -Plant Physiol. 77: 21-24.
15. Hsiao, T. C. & Läuchli, A. 1986. Role of potassium in plant-water relations. - In Advances in Plant Nutrition, Vol. 2 (B. Tinker and A. Läuchli, eds), pp. 281-312. Praeger Scientific, New York, NY. ISSN 0743-8931.
16. Kearns, E. V. & Assmann, S. M. 1993. The guard cell-environment connection. - Plant Physiol. 102: 711-715.
17. Koide, R. 1985. The nature and location of variable hydraulic resistance in Helianthus annuus L. (sunflower). - J. Exp. Bot. 36: 1430-1440.
18. Maggio, A. & Joly, R. J. 1995. Effects of mercuric chloride on the hydraulic conductivity of tomato root systems. - Plant Physiol. 109: 331-335.
19. Markhart, A. H. 1984. Amelioration of chilling-induced water stress by abscisic acid-induced changes in root hydraulic conductance. - Plant Physiol. 74: 81-83.
20. + channels in the plasma membrane of Vicia faba guard cells. - J. Gen. Physiol. 92: 667-683.
21. Smith, S. & Stewart, G. R. 1990. Effect of potassium levels on the stomatal behavior of the hemi-parasite Striga hermonthica. - Plant Physiol. 94: 1472-1476.
22. Steudle, E. & Brinckmann, E. 1989. The osmometer model of the root: Water and solute relations of roots of Phaseolus coccineus. - Bot. Acta 102: 85-95.
23. _ & Frensch, J. 1996. Water transport in plants: Role of the apoplast. - Plant Soil 187: 67-79.
24. _ & Jeschke, W. D. 1983. Water transport in barley roots. -Planta 158: 237-248.
25. _, Murrmann, M. & Peterson, C. A. 1993. Transport of water and solutes across maize roots modified by puncturing the endodermis. - Plant Physiol. 103: 335-349.
26. Ternes, M., Andrade, A. P., Jorrín, J. & Benlloch, M. 1994. Root-shoot signalling in sunflower plants with confined root systems. - Plant Soil 166: 31-36.
27. Weatherley, P. E. 1982. Water uptake and flow in roots. - In Encyclopedia of Plant Physiology, New Series, Vol. 12B, Water Relations and Carbon Assimilation (O. L. Lange, P. S. Nobel, C. B. Osmond and H. Ziegler, eds), pp. 79-109. Springer-Verlag, Berlin. ISBN 3-540-10906-4.
28. Yeo, A. R., Yeo, M. E. & Flowers, T. J. 1987. The contribution of an apoplastic pathway to sodium uptake by rice roots in saline conditions. - J. Exp. Bot. 38: 1141-1153.