Phytotoxicity of essential oils in watermelon, bean, and rice plants

Authors

  • Rúbia Borges Cruz Sarmento Brum Universidade Federal do Tocantins
  • Henrique Guilhon Castro
  • Francismar Rodrigues Gama
  • Carlos Henrique Cardon
  • Gil Rodrigues Santos
  • Rúbia Borges Cruz Sarmento Brum Universidade Federal do Tocantins
  • Henrique Guilhon Castro Universidade Federal do Tocantins https://orcid.org/0000-0002-6096-0359
  • Francismar Rodrigues Gama Universidade Federal do Tocantins
  • Carlos Henrique Gordon Universidade Federal do Tocantins
  • Gil Rodrigues Santos Universidade Federal do Tocantins https://orcid.org/0000-0002-3830-9463

DOI:

https://doi.org/10.20873/jbb.uft.cemaf.v5n2.brum

Keywords:

Medicinal plants, injuries, Citrullus lanatus, Phaseolus vulgaris, Oryza sativa

Abstract

The purpose was to evaluate the action of the citronella (Cymbopogon nardus), lemongrass (Cymbopogon citratus), lemon balm (Lippia alba) and peppermint (Mentha piperita) essential oils on watermelon (Citrullus lanatus), bean (Phaseolus vulgaris), and rice (Oryza sativa) plants. To each culture, it was used a completely randomized design in factorial scheme with four replications, in which the factors were four essential oil types and four oil concentrations (0.5; 1; 2; and 4%). Eighteen days after planting, plants were sprayed with the solutions of the essential oils, and after twenty-four hours the phytotoxicity evaluation was done by using a scale from zero (0) (no phytotoxicity) to one hundred (100%) (total plant wilting). The 2% concentration of the assessed essential oils was phytotoxic for the three plant species. In watermelon plants, the highest phytotoxicity was shown by the lemongrass oil, which in concentrations of 2 and 4% showed toxicity of 75 and 68.75%, respectively. Beans were the least sensitive to the essential oils, they showed 50% of phytotoxicity when subjected to 4% citronella and lemongrass oils.  Occurred wilting and drying of rice plants under 4% peppermint and citronella oils. 

Fitotoxicidade do óleo essencial

Published

2014-04-04

How to Cite

Brum, R. B. C. S., Castro, H. G., Gama, F. R., Cardon, C. H., Santos, G. R., Brum, R. B. C. S., … Santos, G. R. (2014). Phytotoxicity of essential oils in watermelon, bean, and rice plants. Journal of Biotechnology and Biodiversity, 5(2), 101–109. https://doi.org/10.20873/jbb.uft.cemaf.v5n2.brum

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