Syzygium aromaticum Essential Oil to the Control of Tenuipalpus heveae

Thalia Mayara Pereira de Melo, Eliamara Marques da Silva, Abimael Gomes da Silva, Gustavo Haralampidou da Costa Vieira and Beatriz Garcia Lopes

Journal of Agricultural Science, 2024, vol. 11, issue 8, 295

Abstract: The objective was to determine the effect of essential oils on the mortality and repellency of the Tenuipalpus heveae Baker mite (Acari, Tenuipalpidae). Leaf discs of rubber trees were deposited in Petri dishes containing a moistened cotton layer. Posteriorly, the essential oils were diluted to formulate solutions, which were sprayed onto the discs. The experimental design was completely randomized, in a 3 × 4 factorial design- neem, cedar and clove oils at doses 0, 10 μL, 50 μL and 100 μL, with five replicates, with ten adult females being considered per replicate. The exposure to the effect of essential oil was evaluated after 24, 48, 72 and 96 hours for the number of females dead and females in the cotton. The data were submitted to analysis of variance, the values were transformed into (x + 0.5)1/2, and the means were grouped by the Scott-Knot test at 5% probability for the treatments, the doses were submitted to regression analysis. From the 48 hours of evaluation, clove oil showed greater potential for adult mite mortality, being 1.38 in 48 hours, 1.40 in 72 hours and 1.50 in 96 hours. The dose of 100 μL presented a greater potential for the neem and clove oils. The clove essential oil has potential in the control of Tenuipalpus heveae.

Date: 2024
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