Journal article
Salt sensitivity in chickpea
Plant, Cell & Environment, Vol.33(4), pp.490-509
2010
Abstract
The growth of chickpea (Cicer arietinum L.) is very sensitive to salinity, with the most susceptible genotypes dying in just 25 mm NaCl and resistant genotypes unlikely to survive 100 mm NaCl in hydroponics; germination is more tolerant with some genotypes tolerating 320 mm NaCl. When growing in a saline medium, Cl-, which is secreted from glandular hairs on leaves, stems and pods, is present in higher concentrations in shoots than Na+. Salinity reduces the amount of water extractable from soil by a chickpea crop and induces osmotic adjustment, which is greater in nodules than in leaves or roots. Chickpea rhizobia show a higher ‘free-living’ salt resistance than chickpea plants, and salinity can cause large reductions in nodulation, nodule size and N2-fixation capacity. Recent screenings of diverse germplasm suggest significant variation of seed yield under saline conditions. Both dominance and additive gene effects have been identified in the effects of salinity on chickpea and there appears to be sufficient genetic variation to enable improvement in yield under saline conditions via breeding. Selections are required across the entire life cycle with a range of rhizobial strains under salt-affected, preferably field, conditions.
Details
- Title
- Salt sensitivity in chickpea
- Authors/Creators
- T.J. Flowers (Author/Creator) - University of SussexP.M. Gaur (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsC.L.L. Gowda (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsL. Krishnamurthy (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsS. Samineni (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsK.H.M. Siddique (Author/Creator) - The University of Western AustraliaN.C. Turner (Author/Creator) - The University of Western AustraliaV. Vadez (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsR.K. Varshney (Author/Creator) - Centro Internacional de Mejoramiento de Maíz Y TrigoT.D. Colmer (Author/Creator) - The University of Western Australia
- Publication Details
- Plant, Cell & Environment, Vol.33(4), pp.490-509
- Publisher
- Blackwell Publishing Inc.
- Identifiers
- 991005543673307891
- Copyright
- © 2009 Blackwell Publishing Ltd
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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Source: InCites
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.49 Plant Stress Responses
- Web Of Science research areas
- Plant Sciences
- ESI research areas
- Plant & Animal Science