ORIGINAL RESEARCH
Efficacy of Some Plant Essential Oils Against
two Spotted Spider Mite Tetranychus urticae
under Laboratory Conditions
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1
Pesticide Chemistry and Toxicology Department, Agriculture Faculty, Kafrelsheikh University, Kafrelsheikh, Egypt
2
Plant Protection Research Institute, Agricultural Research Center, Cairo, Egypt
3
Biology Department, University College of Tayma, University of Tabuk, P.O. Box 741, Tabuk, Saudi Arabia
4
EPCRS Excellence Center, Plant Pathology and Biotechnology Laboratory, Agricultural Botany Department,
Faculty of Agriculture, Kafrelsheikh University, 33516, Egypt
Submission date: 2023-01-26
Final revision date: 2023-03-22
Acceptance date: 2023-03-25
Online publication date: 2023-05-16
Publication date: 2023-06-23
Corresponding author
Khaled Abdelaal
EPCRS Excellence Center, Plant Pathology and Biotechnology Laboratory, Agricultural Botany Department, Faculty of Agriculture, Kafrelsheikh University, 33516, Egypt, Egypt
Pol. J. Environ. Stud. 2023;32(4):3291-3298
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ABSTRACT
Tetranychus urticae is a critical pest affecting the quality and quantity of the yield under
cover and in open ground. Its pesticide resistance and short life cycle leads to rapidly spreading.
The present study evaluated the efficacy of essential oils (EOs) of caraway, lemon, mint and peppermint
against adult and egg stages of two spotted spider mite T. urticae, compared to that of the recommended
acaricide, abamectin. Abamectin is a recommended acaricide by the Agricultural Pesticide Committee.
Our results proved that, the efficacy of the EOs was lower than the acaricide, abamectin showed
the highest effect on the egg deposition (46.66 % reduction), and egg hatchability (47.91%), comparable
to the control treatment (the leaves discs without treatments). However, peppermint oil had the least
effect on the egg deposition (25% reduction), and egg hatchability (53.3%). Caraway, lemon and mint
oils showed moderate impact on the egg hatchability and deposition. Toxicity of different compounds to
eggs of T. urticae showed that Abamectin was the most effective however peppermint oil recorded the
lowest effect. There for essential oils can be used in integrated best management programs to control
T. urticae.