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Growth, Solute Accumulation, and Ion Distribution in Sweet Sorghum under Salt and Drought Stresses in a Brazilian Potiguar Semiarid Area

Author

Listed:
  • Gabriela Carvalho Maia de Queiroz

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • José Francismar de Medeiros

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Rodrigo Rafael da Silva

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Francimar Maik da Silva Morais

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Leonardo Vieira de Sousa

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Maria Vanessa Pires de Souza

    (Agricultural Engineering Department, Federal University of Ceará, Fortaleza 60455-760, CE, Brazil)

  • Elidayane da Nóbrega Santos

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Fagner Nogueira Ferreira

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Juliana Maria Costa da Silva

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Maria Isabela Batista Clemente

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Jéssica Christie de Castro Granjeiro

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Matheus Nathan de Araújo Sales

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Darcio Cesar Constante

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Reginaldo Gomes Nobre

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

  • Francisco Vanies da Silva Sá

    (Agricultural Sciences Center, Federal Rural University of Semi-Arid, Mossoró 59625-900, RN, Brazil)

Abstract

Agriculture in semiarid regions commonly face problems because of salt and availability of irrigation water. Considering this, studies on cultures resistant to salt and water stresses involving sweet sorghum are required. Therefore, the aim was to evaluate the growth and other mechanisms of tolerance to salinity and water deficit in BRS 506 sweet sorghum. The experimental design was conducted in Upanema-RN, Brazil, in randomized blocks, where the isolated and interactive effect of 3 salinity levels, expressed as the electrical conductivity of irrigation water (1.5, 3.8, and 6.0 dS m −1 ), and 3 irrigation depths (55, 83, and 110% of crop evapotranspiration) were evaluated. During the cycle, sorghum adapted to the salinity and deficit irrigation depth, since stem height reduced only −5.5% with increasing salinity and −11.95% with decreasing irrigation depth, and aerial dry mass was affected by interaction only at the end of the cycle. Proline, total amino acids, and total soluble sugars were not differenced by stresses. Additionally, around 68.71% of total Na + was at roots at the end of the cycle. In summary, sorghum BRS 506 was more tolerant to salt than water stress and used Na + compartmentalization in root cells as the main tolerance mechanism.

Suggested Citation

  • Gabriela Carvalho Maia de Queiroz & José Francismar de Medeiros & Rodrigo Rafael da Silva & Francimar Maik da Silva Morais & Leonardo Vieira de Sousa & Maria Vanessa Pires de Souza & Elidayane da Nóbr, 2023. "Growth, Solute Accumulation, and Ion Distribution in Sweet Sorghum under Salt and Drought Stresses in a Brazilian Potiguar Semiarid Area," Agriculture, MDPI, vol. 13(4), pages 1-22, March.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:4:p:803-:d:1112413
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    References listed on IDEAS

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    1. Ahmad Dar, Rouf & Ahmad Dar, Eajaz & Kaur, Ajit & Gupta Phutela, Urmila, 2018. "Sweet sorghum-a promising alternative feedstock for biofuel production," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P3), pages 4070-4090.
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    Cited by:

    1. José Orlando Nunes da Silva & Luiz Guilherme Medeiros Pessoa & Emanuelle Maria da Silva & Leonardo Raimundo da Silva & Maria Betânia Galvão dos Santos Freire & Eduardo Soares de Souza & Sérgio Luiz Fe, 2023. "Effects of Silicon Alone and Combined with Organic Matter and Trichoderma harzianum on Sorghum Yield, Ions Accumulation and Soil Properties under Saline Irrigation," Agriculture, MDPI, vol. 13(11), pages 1-23, November.
    2. Rodrigo Rafael da Silva & José Francismar de Medeiros & Gabriela Carvalho Maia de Queiroz & Leonardo Vieira de Sousa & Maria Vanessa Pires de Souza & Milena de Almeida Bastos do Nascimento & Francimar, 2023. "Ionic Response and Sorghum Production under Water and Saline Stress in a Semi-Arid Environment," Agriculture, MDPI, vol. 13(6), pages 1-13, May.

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