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NaCl Accumulation, Shoot Biomass, Antioxidant Capacity, and Gene Expression of Passiflora edulis f. Flavicarpa Deg. in Response to Irrigation Waters of Moderate to High Salinity

Author

Listed:
  • Jorge F. S. Ferreira

    (US Salinity Laboratory (USDA-ARS), 450 W. Big Springs Rd., Riverside, CA 92507, USA)

  • Xuan Liu

    (US Salinity Laboratory (USDA-ARS), 450 W. Big Springs Rd., Riverside, CA 92507, USA)

  • Stella Ribeiro Prazeres Suddarth

    (US Salinity Laboratory (USDA-ARS), 450 W. Big Springs Rd., Riverside, CA 92507, USA)

  • Christina Nguyen

    (US Salinity Laboratory (USDA-ARS), 450 W. Big Springs Rd., Riverside, CA 92507, USA
    deceased.)

  • Devinder Sandhu

    (US Salinity Laboratory (USDA-ARS), 450 W. Big Springs Rd., Riverside, CA 92507, USA)

Abstract

Passiflora edulis f. flavicarpa (yellow passion fruit) is a high-value tropical crop explored for both fruit and nutraceutical markets. As the fruit production in the US rises, the crop must be investigated for the effects of salinity under semi-arid climates. We assessed the effects of irrigation-water salinity, leaf age, and drying method on leaf antioxidant capacity (LAC) and plant genetic responses. Plants were grown in outdoor lysimeter tanks for three years, with waters of electrical conductivities of 3.0, 6.0, and 12.0 dS m −1 . Both Na and Cl significantly increased with salinity; leaf biomass at 3.0 and 6.0 dS m −1 were similar but reduced significantly at 12.0 dS m −1 . Salinity had no effect on LAC, but new leaves had the highest LAC compared to older leaves. Low-temperature oven-dried (LTO) and freeze-dried (FD) leaves had the same LAC. The analyses of twelve transporter genes, six involved in Na + transport and six in Cl − transport, showed higher expressions in roots than in leaves, indicating a critical role of roots in ion transport and the control of leaf salt concentration. Passion fruit’s moderate tolerance to salinity and its high leaf antioxidant capacity make it a potential new fruit crop for California, as well as a rich source of flavonoids for the nutraceutical market. Low-temperature oven drying is a potential alternative to lyophilization in preparation for Oxygen Radical Absorbance Capacity (ORAC) analysis of passion fruit leaves.

Suggested Citation

  • Jorge F. S. Ferreira & Xuan Liu & Stella Ribeiro Prazeres Suddarth & Christina Nguyen & Devinder Sandhu, 2022. "NaCl Accumulation, Shoot Biomass, Antioxidant Capacity, and Gene Expression of Passiflora edulis f. Flavicarpa Deg. in Response to Irrigation Waters of Moderate to High Salinity," Agriculture, MDPI, vol. 12(11), pages 1-14, November.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:11:p:1856-:d:964062
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    References listed on IDEAS

    as
    1. Jorge F. S. Ferreira & Monica V. Cornacchione & Xuan Liu & Donald L. Suarez, 2015. "Nutrient Composition, Forage Parameters, and Antioxidant Capacity of Alfalfa ( Medicago sativa , L.) in Response to Saline Irrigation Water," Agriculture, MDPI, vol. 5(3), pages 1-21, July.
    2. Jorge F. S. Ferreira & Devinder Sandhu & Xuan Liu & Jonathan J. Halvorson, 2018. "Spinach ( Spinacea oleracea L.) Response to Salinity: Nutritional Value, Physiological Parameters, Antioxidant Capacity, and Gene Expression," Agriculture, MDPI, vol. 8(10), pages 1-16, October.
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    Cited by:

    1. Carla Ingryd Nojosa Lessa & Claudivan Feitosa de Lacerda & Cláudio Cesar de Aguiar Cajazeiras & Antonia Leila Rocha Neves & Fernando Bezerra Lopes & Alexsandro Oliveira da Silva & Henderson Castelo So, 2023. "Potential of Brackish Groundwater for Different Biosaline Agriculture Systems in the Brazilian Semi-Arid Region," Agriculture, MDPI, vol. 13(3), pages 1-22, February.

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