Skip to main content
Log in

Interactive Effects of Salinity and Ozone Pollution on Photosynthesis, Stomatal Conductance, Growth, and Assimilate Partitioning of Wheat (Triticum aestivum L.)

  • Published:
Photosynthetica

Abstract

Plants of an Egyptian cultivar of wheat (Triticum aestivum L. cv. Giza 63) were exposed in open-top chambers (OTCs) for 8 h d−1 for up to 75 d to a factorial combination of two levels of salinity (0 and 50 mM NaCl) and two levels of O3 (filtered air and 50 mm3 m−3). Exposure to 50 mm3 m−3 O3 significantly decreased stomatal conductance (g s), net photosynthetic rate (P N), and chlorophyll (Chl) content by 20, 25, and 21 %, respectively. This reduction resulted in a change in assimilate allocation in favour of shoot growth leading to a decrease in root to shoot ratio and eventually to a decrease in relative growth rate (RGR) of both root and shoot. There was a very large reduction in yield parameters, especially in the number of ears/plant and 1 000-grain mass. Soil salinity significantly reduced P N and g s by 17 and 15 %, respectively, while Chl content was increased by 17 %. Root growth was decreased leading to an increase in root/shoot ratio. Yield parameters were decreased due to salt stress. There was antagonistic interaction between salinity (50 mM NaCl) and O3 (50 mm3 m−3) showing that salinity effectively protects against the adverse effects of O3 by increasing g s during O3 fumigation.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  • Ashmore, M.R., Bell, J.N.B., Mimmack, A.: Crop growth along a gradient of ambient air pollution.-Environ. Pollut. A 53: 99-121, 1988.

    Google Scholar 

  • Baker, C.K., Colls, J.J., Fullwood, A.E., Seaton, G.C.R.: Depressions of growth and yield in winter barley exposed to SO2 in the field.-New Phytol. 104: 233-241, 1986.

    Google Scholar 

  • Bell, J.N.B.: SO2 and the growth of grasses.-In: Unsworth, M.H., Ormrod, D.A. (ed.): Effects of Gaseous Air Pollution in Agriculture and Horticulture. Pp. 225-247. Butterworth, London 1982.

    Google Scholar 

  • Bell, J.N.B.: Biotic and abiotic interactions with air pollutants.-In: Jäger, H.J., Unsworth, W., De Temmerman, L., Mathy, P. (ed.): Effects of Air Pollution on Agricultural Crops in Europe. Air Pollution Res. Rep. 46: 383-408, 1993.

  • Bytnerowicz, A., Taylor, O.C.: Influence of ozone, sulphur di-oxide, and salinity on leaf injury, stomatal resistance, growth, and chemical composition of bean plants.-J. environ. Qual. 12: 397-405, 1983.

    Google Scholar 

  • Coleman, J.S., Mooney, H.A., Gorham, J.N.: Effects of multiple stresses on leaf injury, stomatal resistance, growth and chemical composition of bean plants.-J. environ. Qual. 81: 115-119, 1989.

    Google Scholar 

  • Cowling, D.W., Lockyer, D.R.: The effect of SO2 on Lolium perenne L. grown at different levels of sulphur and nutrition.-J. exp. Bot. 29: 257-265, 1978.

    Google Scholar 

  • Davison, A.W., Barnes, J.D.: Effects of O3 on wild plants.-New Phytol. 139: 135-151, 1998.

    Google Scholar 

  • Downton, W.J.S.: Photosynthesis in salt-stressed grapevines.-Aust. J. Plant Physiol. 4: 183-192, 1977.

    Google Scholar 

  • El-Khatib, A.A.: The response of some common Egyptian plants to O3 and their use as bioindicators.-Environ. Pollut. 124: 419-428, 2003.

    Google Scholar 

  • El-Shintinawy, F.: Photosynthesis in two wheat cultivars diffe-ring in salt susceptibility.-Photosynthetica 38: 615-620, 2000.

    Google Scholar 

  • Fuhrer, J., Egger, A., Lehnherr, B., Grandjean, A., Tschannen, W.: Effects of O3 on the yield of spring wheat (Triticum aestivum L. cv. Albis) grown in open-top field chambers.-Environ. Pollut. 60: 273-289, 1989.

    Google Scholar 

  • Fuhrer, J., Egger, A., Lehnherr, B., Moeri, P.B., Tschannen, W., Shariat-Madari, H.: Effects of O3 on the grain composition of spring wheat grown in open-top field chambers.-Environ. Pollut. 65: 181-192, 1990.

    Google Scholar 

  • Fuhrer, J., Grandjean, A. Tschannen, W., Shariat-Madari, H.: The response of spring wheat (Triticum aestivum L.) to O3 at higher elevations. II. Changes in yield, yield composition and grain quality in response to O3 flux.-New Phytol. 121: 211-219, 1992.

    Google Scholar 

  • Greenway, H., Munns, R.: Mechanisms of salt tolerance in non-halophytes.-Annu. Rev. Plant Physiol. 31: 49-150, 1990.

    Google Scholar 

  • Grieve, C.M., Lesch, S., Francois, L.E., Maas, V.A.: Analysis of main spike yield components in salt-stressed wheat.-Crop Sci. 32: 697-703, 1992.

    Google Scholar 

  • Hassan, I.A.: Air pollution in Alexandria region-Egypt. I: An investigation of air quality.-Int. J. environ. Educ. Inform. 18: 67-78, 1999.

    Google Scholar 

  • Hassan, I.A., Ashmore, M.R., Bell, J.N.B.: Effects of O3 on the stomatal behaviour of Egyptian varieties of radish (Raphanus sativus L. cv. Baladey) and turnip (Brassica rapa L. cv. Sultani).-New Phytol. 128: 243-249, 1994.

    Google Scholar 

  • Hassan, I.A., Ashmore, M.R., Bell, J.N.B.: Effects of ozone on radish and turnip under Egyptian field conditions.-Environ. Pollut. 89: 107-114, 1995.

    Google Scholar 

  • Hassan, I.A., Bender, J., Weigel, J.H.: Effects of ozone and drought stress on growth, yield and physiology of tomatoes (Lycopersicon esculentum Mill. cv. Baladey).-Gartenbau-wissenschaft 64: 152-157, 1999.

    Google Scholar 

  • Hewitt, E.J., Smith, T.A. (ed.): Plant Mineral Nutrition.-English Universities Press, London 1975.

    Google Scholar 

  • Hoffman, G.J., Maas, E.V., Rawlins, S.L.: Salinity O3 inter-active effects on yield and water relations of pinto bean.-J. environ. Qual. 2: 148-152, 1973.

    Google Scholar 

  • Huang, L., Murray, F.: Effects of sulphur dioxide fumigation on growth and sulphur accumulation in wheat [Triticum aestivum L. cv. Wilgoyne (Ciano/Gallo)] under salinity stress.-Agr. Ecosyst. Environ. 43: 285-300, 1993.

    Google Scholar 

  • Huang, L., Murray, F., Yang, X.: Interaction between mild NaCl salinity and sub-lethal SO2 pollution on wheat Triticum aestivum cultivar “Wilgoyne” (Ciano/Gallo). I. Responses of stomatal conductance, photosynthesis, growth and assimilate partitioning.-Agr. Ecosyst. Environ. 48: 163-178, 1994.

    Google Scholar 

  • Kingsbury, R.W., Epstein, E., Pearcy, R.W.: Physiological re sponses to salinity in selected lines of wheat.-Plant Physiol. 74: 417-423, 1984.

    Google Scholar 

  • Khan, M.R., Khan, M.W.: Single and interactive effects of O3 and SO2 on tomato.-Environ. exp. Bot. 34: 461-469, 1994.

    Google Scholar 

  • Kress, L.W. Miller, J.E., Smith, H.J.: Impact of O3 on winter wheat yield.-Environ. exp. Bot. 25: 211-228, 1985.

    Google Scholar 

  • Malik, I.: Effects of Ozone and Salinity on Pakistani Wheat (Triticum aestivum L. cvs. Pak-81 and Rowal-87).-Ph.D. Thesis. Imperial College of Science, Technology & Medicine, London University, London 2000.

    Google Scholar 

  • Malik, I., Bell, J.N.B.: The effects of salinity and O3 on wheat.-In: Jäger, H.J., Unsworth, M., De Temmerman, L., Mathy, P. (ed.): Effects of Air Pollution on Agricultural Crops in Europe. Air Pollution Res. Rep. 46: 575-578, 1993.

  • Mansfield, T.A.: The role of stomata in determining the response of plants to air pollutants.-Curr. Advan. Plant Sci. 2(4): 11-20, 1973.

    Google Scholar 

  • Milthorpe, F.L., Moorby, J. (ed.): An Introduction to Crop Physiology.-Cambridge Univ. Press, Cambridge 1974.

    Google Scholar 

  • Mooney, H.A., Winner, W.E.: Carbon gain, allocation and growth as affected by atmospheric pollutants.-In: Schulte-Hostede, S., Darrall, N.M., Blank, L.W., Wellburn, A.R. (ed.): Air Pollution and Plant Metabolism. Pp. 272-287. Elsevier, London 1987.

    Google Scholar 

  • Munns, R., Grenway, H., Delane, R., Gibbs, J.: Ion concen-tration and carbohydrate status of the elongating leaf tissue of Hordeum vulgare growing at high external NaCl. II. Cause of the growth reduction.-J. exp. Bot. 33: 574-583, 1982.

    Google Scholar 

  • Munns, R., Termaat, A.: Whole plant response to salinity.-Aust. J. Plant Physiol. 13: 143-160, 1986.

    Google Scholar 

  • Nasralla, M.M.: Air Pollution in Cairo Metropolitan Area.-National Research Centre, Cairo 1990.

    Google Scholar 

  • Ogata, G., Maas, E.V.: Interactive effects of salinity and O3 on growth and yield of garden beet.-J. environ. Qual. 2: 518-520, 1973.

    Google Scholar 

  • Qifu, M., Murray, F.: Soil salinity modifies SO2 sensitivity in soybean.-New Phytol. 119: 269-274, 1991.

    Google Scholar 

  • Schenone, G., Botteschi, G., Fumagalli, I., Mignanego, L., Montinaro, F.: Physiological effects of ambient air pollution in OTCs on winter wheat.-In: Jäger, H.J., Unsworth, M., De Temmerman, L., Mathy, P. (ed.): Effects of Air Pollution on Agricultural Crops in Europe. Air Pollution Res. Rep. 4: 597-600, 1992.

  • Stoner, R.: Engineering a solution to the problem salt-laden soils.-New Scientist 3: 42, 1988.

    Google Scholar 

  • Treshow, M., Stewart, D.: O3 sensitivity of plants in natural communities.-Biol. Conserv. 5: 209-214, 1973.

    Google Scholar 

  • UNEP: United Nations Environment Programme. Data Report. 3rd-Blackwell, Oxford 1991.

    Google Scholar 

  • Wahid, A.R., Maggs, R., Shamsi, R., Ashmore, M.R., Bell, J.N.B.: Air pollution and crop yield in Punjab, Pakistan. I: Effects on wheat.-Environ. Pollut. 88: 147-154, 1995.

    Google Scholar 

  • Welfare, K, Flowers, T.J., Taylor, G., Yeo, A.R.: Additive and antagonistic effects of O3 and salinity on the growth, ion contents and gas exchange of five varieties of rice (Oryza sativa L.).-Environ. Pollut. 92: 257-266, 1996.

    Google Scholar 

  • WHO/UNEP: Urban Air Pollution in Megacities of the World.-Blackwell, Oxford 1992.

    Google Scholar 

  • Yeo, A.R., Capron, S.J.M., Flowers, T.J.: The effect of salinity upon photosynthesis in rice (Oryza sativa L.): gas exchange by individual leaves in relation to their salt content.-J. exp. Bot. 36: 1240-1248, 1985.

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Hassan, I. Interactive Effects of Salinity and Ozone Pollution on Photosynthesis, Stomatal Conductance, Growth, and Assimilate Partitioning of Wheat (Triticum aestivum L.). Photosynthetica 42, 111–116 (2004). https://doi.org/10.1023/B:PHOT.0000040578.93542.61

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1023/B:PHOT.0000040578.93542.61

Navigation