The Role of Salicylic Acid in Salinity Stress Mitigation in Dizygostemon riparius: A Medicinal Species Native to South America
Salicylic acid (SA) is a bioregulator well-known for mitigating salinity damage in plants. However, no studies have examined the interaction between SA and salinity in <i>Dizygostemon riparius</i>, a species rich in bioactive molecules. Therefore, we aimed to evaluate the effect of SA application on <i>Dizygostemon riparius</i> under different salinity levels. A completely randomized experiment was conducted in a 2 × 3 factorial design (two SA concentrations of 0 and 100 µM and three salinity concentrations of 0, 200, and 400 mM NaCl) with five replicates. At 400 mM NaCl, leaf temperature increased by 11%, while relative water content and total soluble carbohydrates decreased by 30% and 35%, respectively, leading to reduced biomass accumulation. Notably, the SA application mitigated these effects by restoring relative water content under 400 mM NaCl and improving carboxylation efficiency and intrinsic water-use efficiency under 200 mM NaCl. Additionally, dry biomass was maintained under both 200 and 400 mM NaCl with SA treatment. These findings suggest that SA has a promising potential to alleviate salt stress in <i>Dizygostemon riparius</i>. Our results could inform cultivation practices, opening new perspectives on the use of SA as an attenuator of salinity stress.
Authors
- Sérgio Heitor Sousa Felipe (ORCID: https://orcid.org/0000-0003-4529-9547)
- Jordanya Ferreira Pinheiro (ORCID: https://orcid.org/0000-0003-1188-1379)
- Fabrício de Oliveira Reis (ORCID: https://orcid.org/0000-0002-1781-3695)
- Givago Lopes Alves (ORCID: https://orcid.org/0000-0002-6455-6062)
- Thaís Roseli Corrêa (ORCID: https://orcid.org/0000-0003-3131-4996)
- Fábio Afonso Mazzei Moura de Assis Figueiredo (ORCID: https://orcid.org/0000-0002-6904-9828)
- Tiago Massi Ferraz (ORCID: https://orcid.org/0000-0002-9840-3523)
- Jailma Ribeiro de Andrade (ORCID: https://orcid.org/0000-0003-1790-8544)
- Paulo Henrique Aragão Catunda (ORCID: https://orcid.org/0000-0002-8652-0853)
- Priscila Marlys Sá Rivas (ORCID: https://orcid.org/0000-0002-6429-1607)
- Diego Silva Batista (ORCID: https://orcid.org/0000-0002-5798-7761)
- Juliane Maciel Henschel (ORCID: https://orcid.org/0000-0002-0805-5060)
- Aldilene da Silva Lima (ORCID: https://orcid.org/0000-0002-5704-9222)
- Vitória Karla de Oliveira Silva-Moraes (ORCID: https://orcid.org/0000-0001-7689-0052)
- Irislene Cutrim Albuquerque (ORCID: https://orcid.org/0000-0002-0276-0535)
Institutions
- Universidade Federal da Paraíba (BR)
- Universidade Estadual do Maranhão (BR)
Publication Details
- Journal
- Plants
- Published
- 2024-11-04
- DOI
- https://doi.org/10.3390/plants13213111
- Citations
- 1
- Primary Topic
- Allelopathy and phytotoxic interactions
- Type
- article
- Field-Weighted Citation Impact
- 0.60
Funders
- Universidade Estadual do Maranhão
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
- Conselho Nacional de Desenvolvimento Científico e Tecnológico
- Fundação de Amparo à Pesquisa e ao Desenvolvimento Científico e Tecnológico do Maranhão