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The Effect of Rosmarinus officinalis Essential Oil Fumigation on Biochemical, Behavioral, and Physiological Parameters of Callosobruchus maculatus

Authors
  • Krzyżowski, Michał
  • Baran, Bartosz
  • Łozowski, Bartosz
  • Francikowski, Jacek
Type
Published Article
Journal
Insects
Publisher
MDPI
Publication Date
Jun 03, 2020
Volume
11
Issue
6
Identifiers
DOI: 10.3390/insects11060344
PMID: 32503195
PMCID: PMC7349277
Source
PubMed Central
Keywords
License
Green

Abstract

This study explores the influence of rosemary, Rosmarinus officinalis (L.) essential oil (EO) on the biochemical (acetylcholinesterase, catalase, and glutathione S-transferase), physiological (oxygen consumption), and behavioral (open field test, repellency) parameters of an important stored product insect: cowpea weevil, Callosobruchus maculatus (F.). R. officinalis EO exhibited effective insecticidal action against C. maculatus even at relatively low concentrations. LC50 = 15.69 μL/L air, and was highly repellent at concentrations equal to or above LC25. Statistically significant inhibition in locomotor activity occurred only after the acute exposure to the EO at LC12.5 and LC25. The oxygen consumption test showed metabolism increase only at LC50. An increase in activity was observed in the case of all three enzymes examined. The presented data provides a potentially valuable resource in designing more environmentally friendly and safer insecticide agents.

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