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dc.contributorAyed, Sourouren_US
dc.contributorSlim-Amara, Hajeren_US
dc.creatorChemekh, Zoubeiren_US
dc.identifier.citationZoubeir Chemekh, Sourour Ayed, Hajer Slim-Amara. (1/6/2014). Effect of salt stress on the flag leaf area and yield components in twenty five durum wheat genotypes (Triticum turgidum ssp. durum). Journal of New Sciences, 6.en_US
dc.description.abstractSalt stress is considered to be a major limiting factor for plant growth and crop productivity. In this study, effect of salinity on leaf area, ion accumulation (Na+, K+) and component yield (grain number per spike, 1000 grain weight, number of spikes per m² and grain yield) were investigated in twenty five genotypes of durum wheat (Triticum turgidum ssp. durum) cultivated in three different regions in Tunisia center (Echbika, Barrouta and Sidi Bouzide). These sites differ by their salinity degree in the irrigation water respectively 2.1 (control), 4.3 and 5.2 g/l. As a result salt stress the flag leaf area decreased significantly for the most of genotypes with the increase of stress treatments except “Mahmoudi, Om Rabia, N, Maali, Khiar and Jneh Khotifa”. Na+ concentrations increased with increase in salinity but K+ concentration was lower as salinity levels increased for all cultivars expect “Mahmoudi” and “Hamira” cultivars. Thus, less Na+ accumulation and more K+ content in these genotypes at the highest salt level, confirm salt tolerance of these cultivars. Grain number per spike, 1000 grain weight, number of spikes per m² and grain yield showed a reduction with increase in root zone Stalinization but the effect was varied in different durum wheat genotypes. It was concluded that the conservation of the leaf area and a low concentration of Na+ in the flag leaf will improve the salt tolerance of wheat genotypes in breeding programs.en_US
dc.publisherJournal of New Sciencesen_US
dc.sourceJournal of New Sciences;6,(2014)en_US
dc.titleEffect of salt stress on the flag leaf area and yield components in twenty five durum wheat genotypes (Triticum turgidum ssp. durum)en_US
dc.typeJournal Articleen_US
cg.subject.agrovocdurum (triticum durum)en_US
cg.contributor.centerNational Agronomic Institute of Tunisia - INATen_US
cg.contributor.centerEcole Supérieure d’Agriculture du Kef - ESA Kefen_US
cg.contributor.crpCGIAR Research Program on Dryland Systems - DSen_US
cg.contributor.crpCGIAR Research Program on Grain Legumes - GLen_US
cg.contributor.crpCGIAR Research Program on Wheat - WHEATen_US
cg.contributor.funderInternational Fund for Agricultural Development - IFADen_US
cg.contributor.projectEnhanced small-holder wheat-legume cropping systems to improve food security under changing climate in the drylands of West Asia and North Africaen_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.coverage.regionNorthern Africaen_US
dc.identifier.statusOpen accessen_US

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