Response to soil salinity of two chickpea varieties differing in drought tolerance
| Autor: | J.W. van Hoorn, R.S Malhotra, Marcello Mastrorilli, Nader Katerji, A. Hamdy, Theib Oweis |
|---|---|
| Přispěvatelé: | Unité de recherches en bioclimatologie, Institut National de la Recherche Agronomique (INRA), ProdInra, Migration |
| Jazyk: | angličtina |
| Rok vydání: | 2001 |
| Předmět: |
0106 biological sciences
[SDE] Environmental Sciences Soil salinity Osmotic adjustment [SDV]Life Sciences [q-bio] Drought tolerance Soil Science Biology 01 natural sciences Chickpea Leerstoelgroep Bodemnatuurkunde Salt tolerance AGRONOMIE Cultivar Water-use efficiency ComputingMilieux_MISCELLANEOUS Earth-Surface Processes Water Science and Technology 2. Zero hunger WIMEK fungi Crop water use efficiency food and beverages Sowing 04 agricultural and veterinary sciences 15. Life on land Leaf water potential ECOPHYSIOLOGIE biology.organism_classification Leerstoelgroep Bodemnatuurkunde ecohydrologie en grondwaterbeheer Soil Physics Crop water stress ecohydrologie en grondwaterbeheer Salinity [SDV] Life Sciences [q-bio] Agronomy Lysimeter Ecohydrology and Groundwater Management [SDE]Environmental Sciences 040103 agronomy & agriculture Soil Physics Ecohydrology and Groundwater Management 0401 agriculture forestry and fisheries POIS CHICHE Sugar beet Agronomy and Crop Science 010606 plant biology & botany |
| Zdroj: | Agricultural Water Management Agricultural Water Management, Elsevier Masson, 2001, 50, pp.83-96 Agricultural Water Management, 50, 83-96 Agricultural Water Management 50 (2001) |
| ISSN: | 0378-3774 |
| Popis: | Two chickpea varieties, differing in drought tolerance, were grown in lysimeters filled with clay, and were irrigated with waters of three different salinity levels. Under non-saline conditions, both varieties, slightly differing in pre-dawn leaf water potential during the growth period, gave almost the same yield. Salinity had a slight effect on the leaf water potential and the osmotic adjustment. Both were slightly higher for the drought tolerant variety, but much lower in comparison with sugar beet, tomato and lentil. The drought tolerant variety showed an earlier senescence in leaf and dry matter development and flowering which were accelerated by salinity. The drought sensitive variety, however, showed under slightly saline conditions (EC e =2.5 dS/m) from 135 days after sowing onwards a different behaviour by the growth of new leaves and flowers, a delay in senescence, leading to the same yield as under non-saline conditions. Under saline conditions (EC e =3.8 dS/m) the drought sensitive variety showed the same yield reduction of about 70% as the drought tolerant variety. |
| Databáze: | OpenAIRE |
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