Genotypic response of chickpea (Cicer arietinum L.) cultivars to drought stress implemented at pre- and post-anthesis stages and its relations with nutrient uptake and efficiency

A. Gunes, N. Cicek, A. Inal, M. Alpaslan, F. Eraslan, E. Guneri and T. Guzelordu
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A. Gunes: Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Ankara University, Ankara, Turkey
N. Cicek: Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Ankara University, Ankara, Turkey
A. Inal: Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Ankara University, Ankara, Turkey
M. Alpaslan: Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Ankara University, Ankara, Turkey
F. Eraslan: Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Ankara University, Ankara, Turkey
E. Guneri: Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Ankara University, Ankara, Turkey
T. Guzelordu: Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Ankara University, Ankara, Turkey

Plant, Soil and Environment, 2006, vol. 52, issue 8, 368-376

Abstract: Uptake of mineral nutrients in chickpea cultivars might be an important response in drought tolerance. An experiment under controlled conditions was carried out to study the genotypic response of 11 chickpea (Cicer arietinum L.) cultivars to drought and its relations with N, P, K, Ca, Mg, Fe, Zn, Mn and B uptake and uptake efficiency. Plants were grown either optimal or drought stress implemented at pre- (early drought stress, EDS) and post-anthesis (late drought stress, LDS) stages. Growth reduction of the cultivars as a response to drought significantly differed. The results of the study indicated that EDS had less detrimental effects on growth and nutrient uptake than LDS conditions. In general, drought tolerant chickpea cultivars accumulated more N, P, K, Ca, Zn, Mn and B in both drought stress treatments except for Zn and Mn uptake in LDS treatment. The total nutrient uptake efficiency of the cultivars were also very significantly correlated with the growth reduction ration (GR) both in EDS and LDS treatments giving correlation coefficients (r) of -7859 and -0.7678, p < 0.01, respectively.

Keywords: chickpea; drought; stress; tolerance; nutrient uptake efficiency (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:52:y:2006:i:8:id:3454-pse

DOI: 10.17221/3454-PSE

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