Efficacy of pulegone pre-treatment in mitigating the oxidative damage by NaCl applied to Allium cepa L. seeds

Author:

de Lima Silva Jailson Renato1ORCID,dos Santos Larisse Bernardino1ORCID,de Oliveira Eally Silva1ORCID,Oliveira Carlos Vinícius Barros1ORCID,Costa Adrielle Rodrigues2ORCID,Pereira Pedro Silvino1ORCID,Barros Luiz Marivando1ORCID,Pinho Antonio Ivanildo2,Kamdem Jean Paul1ORCID,Duarte Antonia Eliene1ORCID

Affiliation:

1. Biology and Toxicology Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil

2. Plant Ecophysiolgy Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil

Abstract

Background: Saline stress is an important environmental factor that limits the productivity of numerous agricultural crops, such as onion (Allium cepa L.), a vegetable present in gardens and used in various ways. Pulegone has been identified as a component that has a large number of biological functions. Objective: The aim of this study was to investigate the effect of pulegone (100 and 500 µg/mL) on the morphological and biochemical changes to onions induced by stressing seeds with NaCl. Method: Soil composition, emergence percentage and its inhibition, emergence speed index (ESI), leaf and root parameters, malondialdehyde (MDA) content, free iron content and chelation/oxidation capacity (Fe2+) were measured following 120 days of treatment. Results: Pulegone was able to significantly improve the changes in ESI caused by saline stress, not restoring other emergence parameters. The leaf size was also improved by the pulegone, which did not affect the morphological changes of the roots. Conclusion: Our results suggest that the use of pulegone is a viable treatment to mitigate the effects of salt stress on A. cepa seeds.

Publisher

Bentham Science Publishers Ltd.

Subject

Complementary and alternative medicine,Drug Discovery

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