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Phosphorus deficiency enhances water deficit impact on some morphological and physiological traits in four faba bean (Vicia faba L.) varieties

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Abstract
Moroccan soils, generally present low available phosphorus (P) levels which occur in almost all arid and semi-arid regions. Faba bean is one of the most significant crops in Morocco and is influenced by these constraints that affect its nutrient uptake and nitrogen fixation capacity and hence plants development. Therefore, we evaluated the response of four Vicia faba varieties - Aguadulce (Ag), Alfia (Al), Luz de Otono (LO) and Reina Mora (RM) -, grown under biological nitrogen fixation to water deficit and two phosphorus levels. The trial was conducted under greenhouse conditions and water stress was induced by keeping pots at 40% substrate field capacity (FC) versus 80% FC for the controls while phosphorus deficiency treatment consisted in the application of 25 mu mol P plant(-1) week(-1) versus 125 mu mol P plant(-1) week(-1) for sufficient P treatment. The results revealed a significant effect of water deficit and phosphorus deficiency either alone or combined on plants dry weights, leaf water parameters and nutrient concentrations. However sufficient phosphorus supply mitigated the adverse effects of water deficit on faba bean. We noticed significant differences between the studied varieties. Ag showed high performance concerning dry weights (1.25 g and 1.88 g plant(-1) respectively for shoot and root) and high concentration of nitrogen N (4.7%) and P (0.27 mg g(-1) DW) and was then qualified as the most tolerant variety to water deficit combined with P limitation. While RM was the least tolerant variety, as it showed the lowest dry weights (0.51 g and 1.4 g plant(-1) respectively for shoot and root) and concentration (2.74% and 0.19 mg g(-1) DW respectively for N and P). The tolerance was related to the ability to ensure efficient osmoregulation by glycine betaine accumulation, to keep leaf water balance and cell membrane stability that contribute together with adequate symbiotic nitrogen fixation to plant growth performance under combined stresses.
Keywords
BIOLOGICAL NITROGEN-FIXATION, DROUGHT STRESS, OSMOTIC ADJUSTMENT, GROWTH, NODULATION, NUTRITION, PHOTOINHIBITION, GLYCINEBETAINE, ACCUMULATION, ADAPTATION, Drought, glycine betaine, growth, legume, osmoregulation, phosphorus, water potential

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MLA
Oukaltouma, Khawla, et al. “Phosphorus Deficiency Enhances Water Deficit Impact on Some Morphological and Physiological Traits in Four Faba Bean (Vicia Faba L.) Varieties.” ITALIAN JOURNAL OF AGRONOMY, vol. 16, no. 1, 2021, doi:10.4081/ija.2020.1662.
APA
Oukaltouma, K., El Moukhtari, A., Lahrizi, Y., Mouradi, M., Farissi, M., Willems, A., … Ghoulam, C. (2021). Phosphorus deficiency enhances water deficit impact on some morphological and physiological traits in four faba bean (Vicia faba L.) varieties. ITALIAN JOURNAL OF AGRONOMY, 16(1). https://doi.org/10.4081/ija.2020.1662
Chicago author-date
Oukaltouma, Khawla, Ahmed El Moukhtari, Yahya Lahrizi, Mohammed Mouradi, Mohamed Farissi, Anne Willems, Ahmed Qaddoury, Faouzi Bekkaoui, and Cherki Ghoulam. 2021. “Phosphorus Deficiency Enhances Water Deficit Impact on Some Morphological and Physiological Traits in Four Faba Bean (Vicia Faba L.) Varieties.” ITALIAN JOURNAL OF AGRONOMY 16 (1). https://doi.org/10.4081/ija.2020.1662.
Chicago author-date (all authors)
Oukaltouma, Khawla, Ahmed El Moukhtari, Yahya Lahrizi, Mohammed Mouradi, Mohamed Farissi, Anne Willems, Ahmed Qaddoury, Faouzi Bekkaoui, and Cherki Ghoulam. 2021. “Phosphorus Deficiency Enhances Water Deficit Impact on Some Morphological and Physiological Traits in Four Faba Bean (Vicia Faba L.) Varieties.” ITALIAN JOURNAL OF AGRONOMY 16 (1). doi:10.4081/ija.2020.1662.
Vancouver
1.
Oukaltouma K, El Moukhtari A, Lahrizi Y, Mouradi M, Farissi M, Willems A, et al. Phosphorus deficiency enhances water deficit impact on some morphological and physiological traits in four faba bean (Vicia faba L.) varieties. ITALIAN JOURNAL OF AGRONOMY. 2021;16(1).
IEEE
[1]
K. Oukaltouma et al., “Phosphorus deficiency enhances water deficit impact on some morphological and physiological traits in four faba bean (Vicia faba L.) varieties,” ITALIAN JOURNAL OF AGRONOMY, vol. 16, no. 1, 2021.
@article{8723808,
  abstract     = {{Moroccan soils, generally present low available phosphorus (P) levels which occur in almost all arid and semi-arid regions. Faba bean is one of the most significant crops in Morocco and is influenced by these constraints that affect its nutrient uptake and nitrogen fixation capacity and hence plants development. Therefore, we evaluated the response of four Vicia faba varieties - Aguadulce (Ag), Alfia (Al), Luz de Otono (LO) and Reina Mora (RM) -, grown under biological nitrogen fixation to water deficit and two phosphorus levels. The trial was conducted under greenhouse conditions and water stress was induced by keeping pots at 40% substrate field capacity (FC) versus 80% FC for the controls while phosphorus deficiency treatment consisted in the application of 25 mu mol P plant(-1) week(-1) versus 125 mu mol P plant(-1) week(-1) for sufficient P treatment. The results revealed a significant effect of water deficit and phosphorus deficiency either alone or combined on plants dry weights, leaf water parameters and nutrient concentrations. However sufficient phosphorus supply mitigated the adverse effects of water deficit on faba bean. We noticed significant differences between the studied varieties. Ag showed high performance concerning dry weights (1.25 g and 1.88 g plant(-1) respectively for shoot and root) and high concentration of nitrogen N (4.7%) and P (0.27 mg g(-1) DW) and was then qualified as the most tolerant variety to water deficit combined with P limitation. While RM was the least tolerant variety, as it showed the lowest dry weights (0.51 g and 1.4 g plant(-1) respectively for shoot and root) and concentration (2.74% and 0.19 mg g(-1) DW respectively for N and P). The tolerance was related to the ability to ensure efficient osmoregulation by glycine betaine accumulation, to keep leaf water balance and cell membrane stability that contribute together with adequate symbiotic nitrogen fixation to plant growth performance under combined stresses.}},
  articleno    = {{1662}},
  author       = {{Oukaltouma, Khawla and El Moukhtari, Ahmed and Lahrizi, Yahya and Mouradi, Mohammed and Farissi, Mohamed and Willems, Anne and Qaddoury, Ahmed and Bekkaoui, Faouzi and Ghoulam, Cherki}},
  issn         = {{1125-4718}},
  journal      = {{ITALIAN JOURNAL OF AGRONOMY}},
  keywords     = {{BIOLOGICAL NITROGEN-FIXATION,DROUGHT STRESS,OSMOTIC ADJUSTMENT,GROWTH,NODULATION,NUTRITION,PHOTOINHIBITION,GLYCINEBETAINE,ACCUMULATION,ADAPTATION,Drought,glycine betaine,growth,legume,osmoregulation,phosphorus,water potential}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{13}},
  title        = {{Phosphorus deficiency enhances water deficit impact on some morphological and physiological traits in four faba bean (Vicia faba L.) varieties}},
  url          = {{http://doi.org/10.4081/ija.2020.1662}},
  volume       = {{16}},
  year         = {{2021}},
}

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