Acta Agronomica Hungarica
Volume/Issue:
Volume 52: Issue 3
Leaf growth and K+/Na+ ratio as an indication of the salt tolerance of three sorghum cultivars grown under salinity stress and IAA treatment
Authors:
M. M. Azooz Botany Department, Faculty of Science, South Valley University Qena, Egypt

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M. A. Shaddad Botany Department, Faculty of Science, Assiut University Assiut, Egypt

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A. A. Abdel-Latef Botany Department, Faculty of Science, South Valley University Qena, Egypt

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Pages:
287–296
Online Publication Date:
22 Jul 2005
Publication Date:
01 Nov 2004
Article Category:
Research Article
DOI:
https://doi.org/10.1556/AAgr.52.2004.3.10
Keywords:
leaf area; leaf area; leaf area; mineral content; relative water content; sorghum cultivars; tolerance index
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The salt tolerance of three sorghum (Sorghum bicolor L.) cultivars (Dorado, Hagen Shandawil and Giza 113) and their responses to shoot spraying with 25 ppm IAA were studied. Salinity stress induced substantial differences between the three sorghum cultivars in the leaf area, dry mass, relative water content and tolerance index of the leaves. Dorado and Hagen Shandawil tolerated salinity up to 88 and 44 mM NaCl, respectively, but above this level, and at all salinity levels in Giza 113, a significant reduction in these parameters was recorded. The rate of reduction was lower in Dorado than in Hagen Shandawil and Giza 113, allowing the sequence Dorado ? Hagen Shandawil ? Giza 113 to be established for the tolerance of these cultivars to salinity. The differences in the tolerance of the sorghum cultivars were associated with large differences in K+ rather than in Na+, which was found to be similar in the whole plant. The youngest leaf was able to maintain a higher K+ content than the oldest leaf. Consequently the K+/Na+ ratios were higher in the most salt-tolerant cultivar Dorado than in the other sorghum cultivars, and in the youngest than in the oldest leaf. In conformity with this mechanism, the stimulatory effect of the exogenous application of IAA was mostly associated with a higher K+/Na+ ratio. Shoot spraying with IAA partially alleviated the inhibitory effect of salinity on leaf growth and on the K+ and Ca2+ contents, especially at low and moderate levels of salinity, while it markedly retarded the accumulation of Na+ in the different organs of sorghum cultivars. Abbreviations: LA: Leaf area, DM: Dry mass, I Indole acetic acid, RWC: Relative water content,TI: Tolerance index

  • Bernstein, L., Laüchli, A., Silk, W. K. (1993): Kinematics and dynamics of sorghum (Sorghum bicolor L.) leaf development at various Na/Ca salinities. Plant Physiol., 103, 1107-1114.

    Kinematics and dynamics of sorghum (Sorghum bicolor L.) leaf development at various Na/Ca salinities 103 1107 1114

    • Search Google Scholar

  • De La Rosa-Ibarra, M., Maiti, R. K. (1995): Biochemical mechanism in glossy sorghum lines for resistance to salinity stress. J. Plant Physiol., 146, 515-519.

    'Biochemical mechanism in glossy sorghum lines for resistance to salinity stress ' () 146 J. Plant Physiol. : 515 -519 .

    • Search Google Scholar

  • Erdei, L., Szegletes, Z., Barabas, K., Pestenacz, A. (1996): Responses in polyamine titer under osmotic and salt stress in sorghum and maize seedlings. J. Plant Physiol., 147, 599-603.

    'Responses in polyamine titer under osmotic and salt stress in sorghum and maize seedlings ' () 147 J. Plant Physiol. : 599 -603 .

    • Search Google Scholar

  • Erdei, L. S., Trivedi, K., Takeda, M., Sumoto, H. (1990): Effects of osmotic and salt stresses on the accumulation of polyamines in leaf segments from wheat varieties differing in salt and drought tolerance. J. Plant Physiol., 137, 165-168.

    'Effects of osmotic and salt stresses on the accumulation of polyamines in leaf segments from wheat varieties differing in salt and drought tolerance ' () 137 J. Plant Physiol. : 165 -168 .

    • Search Google Scholar

  • Fortmeir, R., Schubert, S. (1995): Salt tolerance of maize Zea mays L.: The role of sodium exclusion. Plant Cell Environ., 18, 1041-1047.

    Salt tolerance of maize Zea mays L.: The role of sodium exclusion 18 1041 1047

    • Search Google Scholar

  • Gorham, J. (1992): Salt tolerance of plants. Sci. Progress Oxford, 76, 273-285.

    'Salt tolerance of plants ' () 76 Sci. Progress Oxford : 273 -285 .

  • Gorham, J., Young, E. M. (1996): Wild relatives of cotton and rice as sources of stress resistance traits. pp. 39-52. In: Proc. Eucarpia Meeting on Tropical Plants. CIRAD, Montpellier, France.

    , , .

    • Search Google Scholar

  • Jeschke, W. D. (1984): K+ -Na+ exchange at cellular membranes, intracellular compartmentation of cations, and salt tolerance. pp. 37-66. In: Staples, R. C., Toenniessen, G. H. (eds.), Salinity Tolerance in Plants. Strategies for Crop Improvement. John Wiley and Sons, New York.

    Salinity Tolerance in Plants. Strategies for Crop Improvement , () 37 -66 .

  • Khan, M. A., Irwin, A., Allan, M. S. (2000): The effect of salinity on the growth, water status, and ion content of a leaf succulent perennial halophyte, Suaeda fruticosa (L.) Forssk. J. of Arid Environ., 45, 73-84.

    The effect of salinity on the growth, water status, and ion content of a leaf succulent perennial halophyte, Suaeda fruticosa (L.) Forssk 45 73 84

    • Search Google Scholar

  • Khan, M. A., Unger, I. A. (2001): Alleviation of salinity stress and the response to temperature in two seed morphs of Halopyrum mucronatum (Poaceae). Aust. J. Bot., 49, 777-783.

    Alleviation of salinity stress and the response to temperature in two seed morphs of Halopyrum mucronatum (Poaceae) 49 777 783

    • Search Google Scholar

  • Leidi, E. O., Saiz, J. F. (1997): Is salinity tolerance related to Na accumulation in upland cotton (Gossypium hirsutum) seedlings? Plant and Soil, 190, 67-75.

    Is salinity tolerance related to Na accumulation in upland cotton (Gossypium hirsutum) seedlings? 190 67 75

    • Search Google Scholar

  • Maiti, R. K., De La Rosa-Ibarra, M., Sandoval, N. D. (1994): Genotypic variability in glossy sorghum lines for resistance to drought, salinity and temperature stress at the seedling stage. J. Plant Physiol., 143, 241-244.

    'Genotypic variability in glossy sorghum lines for resistance to drought, salinity and temperature stress at the seedling stage ' () 143 J. Plant Physiol. : 241 -244 .

    • Search Google Scholar

  • Marcelis, L. F. M., van Hooijdonk, J. (1999): Effect of salinity on growth, water use and nutrient use in radish (Raphanus sativus L.). Plant and Soil, 215, 57-64.

    Effect of salinity on growth, water use and nutrient use in radish (Raphanus sativus L.) 215 57 64

    • Search Google Scholar

  • Munns, R. (1993): Physiological process limiting plant growth in saline soils: Some damage and hypotheses. Plant Cell Environ. 16, 15-24.

    'Physiological process limiting plant growth in saline soils: Some damage and hypotheses ' () 16 Plant Cell Environ : 15 -24 .

    • Search Google Scholar

  • Munns, R., Greenway, H., Delane, R., Gibbs, J. (1982): Ion concentration and carbohydrate status of the elongation leaf tissue of Hordeum vulgaris growing at high external NaCl. II. Cause of the growth reduction. J. Exp. Bot., 33, 574-583.

    Ion concentration and carbohydrate status of the elongation leaf tissue of Hordeum vulgaris growing at high external NaCl. II. Cause of the growth reduction 33 574 583

    • Search Google Scholar

  • Neumann, P. (1997): Salinity resistance and plant growth revisited. Plant Cell Environ., 20, 1193-1198.

    'Salinity resistance and plant growth revisited ' () 20 Plant Cell Environ. : 1193 -1198 .

    • Search Google Scholar

  • Noble, C. L., Rogers, M. E. (1992): Arguments for the use of physiological criteria for improving the salt tolerance in crops. Plant and Soil, 146, 99-107.

    'Arguments for the use of physiological criteria for improving the salt tolerance in crops ' () 146 Plant and Soil : 99 -107 .

    • Search Google Scholar

  • Azooz, M. M. (2002): Physiological responses of seedlings of two wheat cultivars (cv. Seds-1 and cv. Banyswif-3) to salt stress tolerance. J. Union Arab Biol. Cairo, Physiology & Algae, 10, 39-55.

    'Physiological responses of seedlings of two wheat cultivars (cv. Seds-1 and cv. Banyswif-3) to salt stress tolerance ' () 10 J. Union Arab Biol. Cairo, Physiology & Algae : 39 -55 .

    • Search Google Scholar

  • Serrano, R., Gaxiola, R. (1994): Microbial models and salt stress tolerance in plants. Crit. Rev. Plant Sci., 13, 121-138.

    'Microbial models and salt stress tolerance in plants ' () 13 Crit. Rev. Plant Sci. : 121 -138 .

    • Search Google Scholar

  • Shaddad, M. A. (1990): The effect of proline application on the physiology of Raphanus sativus plants grown under salinity stress. Biol. Plant., 32, 104-112.

    The effect of proline application on the physiology of Raphanus sativus plants grown under salinity stress 32 104 112

    • Search Google Scholar

  • Singh, S. P., Singh, B. B., Singh, M. (1994): Effect of kinetin on chlorophyll, nitrogen and proline in mungbean Vigna radiata under saline conditions. Indian J. Plant Physiol., 37, 37-39.

    Effect of kinetin on chlorophyll, nitrogen and proline in mungbean Vigna radiata under saline conditions 37 37 39

    • Search Google Scholar

  • Smart, R. E. (1974): Rapid estimates of relative water content. Plant Physiol., 53, 258-260.

    'Rapid estimates of relative water content ' () 53 Plant Physiol. : 258 -260 .

  • Watson, D. J., Watson, M. A. (1953): Studies on potatoes agronomy. 1. Effect of variety, seed size and spacing on growth, development and yield. J. Agric. Sci., 66, 241.

    'Studies on potatoes agronomy. 1. Effect of variety, seed size and spacing on growth, development and yield ' () 66 J. Agric. Sci. : 241 .

    • Search Google Scholar

  • Williams, V., Twine, S. (1960): Flame photometric method for sodium, potassium and calcium. In: Peach, K., Tracey, M. V. (eds.), Modern Methods of Plant Analysis. Vol. V. 3-5. Springer-Verlag, Berlin.

    Modern Methods of Plant Analysis , ().

  • Yeo, A. R. (1983): Salinity resistance: Physiology and prices. Physiol. Plant., 58, 214-222.

    'Salinity resistance: Physiology and prices ' () 58 Physiol. Plant. : 214 -222 .
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Cover Acta Agronomica Hungarica
Acta Agronomica Hungarica
Print ISSN:
0238-0161
Online ISSN:
1588-2527

Acta Agronomica Hungarica
Language English
Russian
German
French
Size  
Year of
Foundation		 1950
Publication
Programme		 ceased
Volumes
per Year		  
Issues
per Year		  
Founder Magyar Tudományos Akadémia   
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0238-0161 (Print)
ISSN 1588-2527 (Online)

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