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Effect of drought stress on oil content and fatty acids composition of some safflower genotypes

Author

Listed:
  • Yousef Joshan

    (Department of Agronomy, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran)

  • Behzad Sani

    (Department of Agronomy, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran)

  • Hamid Jabbari

    (Seedand Plant Improvement Institute, Agricultural Research, Education and Extension Organization, Karaj, Iran)

  • Hamid Mozafari

    (Department of Agronomy, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran)

  • Payam Moaveni

    (Department of Agronomy, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran)

Abstract

To assess the response of promising safflower genotypes to late-season drought stress in delayed planting conditions, an experiment was conducted in two years (2016-2017 and 2017-2018) in Iran. The irrigation regime was specified in two levels, including normal irrigation and irrigation cut off in the seed filling stage in main plots, and five safflower genotypes, including Soffe, Goldasht, Golmehr, Padideh, and Parnian were categorized in subplots. Applied drought stress significantly reduced the seed yield and yield components of all genotypes, which accompanied with a substantial decrease in oil content and oil yield of all genotypes. However, the highest seed and oil yield in drought stress conditions obtained in the Parnian genotype by value 2338 and 561 kg/ha, respectively. Moreover, a significant drought-induced increase in palmitic, stearic, and oleic acids, as well as a decrease in linoleic acid content, was observed in all genotypes. Parnian genotype with high unsaturated fatty acids content (90.9%) and the minimum amount of saturated fatty acids (8.7%) might be a promising genotype to starting a formal crop improvement program to achieve more drought-tolerant safflower genotype.

Suggested Citation

  • Yousef Joshan & Behzad Sani & Hamid Jabbari & Hamid Mozafari & Payam Moaveni, 2019. "Effect of drought stress on oil content and fatty acids composition of some safflower genotypes," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 65(11), pages 563-567.
    • Handle: RePEc:caa:jnlpse:v:65:y:2019:i:11:id:591-2019-pse
    DOI: 10.17221/591/2019-PSE
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    References listed on IDEAS

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    1. Kar, Gouranga & Kumar, Ashwani & Martha, M., 2007. "Water use efficiency and crop coefficients of dry season oilseed crops," Agricultural Water Management, Elsevier, vol. 87(1), pages 73-82, January.
    2. Istanbulluoglu, A. & Gocmen, E. & Gezer, E. & Pasa, C. & Konukcu, F., 2009. "Effects of water stress at different development stages on yield and water productivity of winter and summer safflower (Carthamus tinctorius L.)," Agricultural Water Management, Elsevier, vol. 96(10), pages 1429-1434, October.
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    Cited by:

    1. Seyed Basir Mousavi & Saeed Sayfzadeh & Hamid Jabbari & Seyed Alireza Valadabadi & Esmaeil Hadidi Masouleh, 2022. "Effect of auxin foliar application on seed yield and fatty acids composition of two safflower genotypes under late-season drought," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 68(2), pages 82-88.

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