The Biostimulant Potential of Clove Essential Oil for Treating Soybean Seeds

Author:

Costa Joao Paulo1,Nasser Vinícius Guimarães1,Macedo Willian Rodrigues1,Santos Mario Ferreira Conceição2ORCID,Silva Geraldo Humberto3ORCID

Affiliation:

1. Instituto de Ciências Agrárias, Universidade Federal de Viçosa, Campus de Rio Paranaíba, Rio Paranaíba 36570-900, Brazil

2. Departamento de Química e Física, Universidade Federal do Espírito Santo, Alto Universitário s/n, Bairro Guararema, 9, Alegre 29500-000, Brazil

3. Instituto de Ciências Exatas e Tecnológicas, Universidade Federal de Viçosa, Campus de Rio Paranaíba, Rio Paranaíba 36570-900, Brazil

Abstract

Increasing soybean productivity can be achieved by treating seeds with biostimulants. To this end, an investigation was conducted into the potential of a formulation prepared with clove es-sential oil (CEO) diluted in soybean oil for seed treatment. Soybean seeds were treated with CEO concentrations between 0.5 to 3.0 mL/L, and subjected to germination, vigor, and sanity analyses. The CEO at 1.6 mL/L exhibited favorable outcomes regarding germination, root length, and re-duced fungal infection. In this way, a two-crop field experiment evaluated soybean seeds treated with CEO at 1.6 mL/L. Soybean seeds treated with CEO in the field in 2021/2022 were not different from the controls. However, in 2019/2020, there was a higher percentage of emergence, nodulation, and production of 749 kg/ha more than in the industrial treatment. These results highlight the potential use of CEO as a biostimulant.

Funder

National Council for Scientific and Technological Development

National Institute of Science and Technology—INCT BioNat

Fundação de Apoio à Pesquisa do Espírito Santo

Publisher

MDPI AG

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