biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 21:100-104, 1979 | DOI: 10.1007/BF02909455

Effect of soil matric potential on leaf water potential, diffusive resistance, growth and development ofGmelina arborea L. seedlings

F. E. Fasehun1
1 Department of Forest Resources Management, University of Ibadan, Ibadan, Nigeria

Gmelina arborea L. seedling growth and diurnal stomatal opening (as measured by stomatal resistance) were studied at soil matric potential 0, -0.1 and -0.72 × 10-5 Pa. Leaf area, leaf number, plant height and dry weights of the vegetative parts were significantly reduced as soil matric potential decreased from 0 to -0.72 × 10-5 Pa. The growth responses followed the same trend as net assimilation rate and relative growth rate. The highest moisture stress induced leaf senescence and leaf fall. Leaf water potential decreased from - 2 × 10-5 Pa to - 20 × 10-5 Pa with increasing soil moisture stress. Results indicate that the diurnal stomatal opening is controlled by photon flux density when this species is grown at soil matrio potential 0 Pa. However, with decreasing soil matrio potential (- 0.10 and -0.72 × 10-5 Pa) the internal plant water deficit appears to oontrol the stomatal opening.

Received: March 29, 1978; Accepted: September 19, 1978; Published: March 1, 1979  Show citation

ACS AIP APA ASA Harvard Chicago Chicago Notes IEEE ISO690 MLA NLM Turabian Vancouver
Fasehun, F.E. (1979). Effect of soil matric potential on leaf water potential, diffusive resistance, growth and development ofGmelina arborea L. seedlings. Biologia plantarum, 21(2), 100-104. doi: 10.1007/BF02909455
Share...
Download citation
  • BibTeX (.bib)
  • Bookends (.ris)
  • EasyBib (.ris)
  • EndNote (.enw)
  • EndNote 8 (.xml)
  • ISI WoS (.isi)
  • Medlars (.medlars)
  • Mendeley (.ris)
  • MODS (.xml)
  • Papers (.ris)
  • RefWorks (.txt)
  • RefManager (.ris)
  • RIS (.ris)
  • MS Word (.xml)
  • Zotero (.ris)
    • Open full article

    References

    1. Boyer, J. S.: Water deficits and photosynthesis. - In:Kozlowski, T. T. (ed.): Water Deficits and Plant Growth. Vol. IV. Pp. 153-190. Academic Press, New York-San Francisco-London 1976. Go to original source...
    2. Boyer, J. S., Ghorashy, S. R.: Rapid field measurement of leaf water potential in soybean. - Agron J.63: 344-345, 1971. Go to original source...
    3. Fasehun, F. E.: Growth response of Gmelinaarborea L. seedlings to aluminium, soil acidity and liming. - Nig. J. Forestry5: 68-71, 1975.
    4. Hsiao, T. C.: Plant responses to water stress. - Annu. Rev. Plant. Physiol.24: 519-570, 1973. Go to original source...
    5. Kanemasu, E. T., Tanner, C. B.: Stomatal diffusion resistance of snap beans. I. Influence of leaf-water potential.- Plant Physiol.44: 1547-1552, 1969. Go to original source...
    6. Lange, O. L.: II. Plant water relations. - In:Ellenberg, H., Esser, K., Merxmiller, H., Schnepf, E., Ziegler, H. (ed.): Progress in Botany 37. Pp. 78-97. Springer Verlag, Berlin-Heidelberg-New York 1975.
    7. Lange, O. L., Kappen, L., Schulze, E. D. (ed.): Water and Plant Life. Problems and Modern Approaches. - Springer Verlag, Berlin-Heidelberg-New York 1976. Go to original source...
    8. Ledig, F. T.: Concepts of growth analysis. - In:Reid, C. P. P., Fechner, G. H. (ed.): Proceedings of the Third North American Forest Biology Workshop. Pp. 166-182. Colorado State University. Fort Collins 1974.
    9. Okali, D. U. U.: Rates of dry matter production in some tropical forest - tree seedlings. - Ann. Bot.35: 87-97, 1971. Go to original source...
    10. Slavík, B.: Methods of Studying Plant Water Relations. - Academia, Praha 1975. Go to original source...

    Return to the content