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Research Article Open access CC BY 4.0

Interaction between Castor Bean oil and Jatropha oil to Control the Brassica Aphids

Ana Beatriz Mamedes Piffer, Anderson Mathias Holtz, Jéssica Mayara Coffler Botti, José Romário de Carvalho, Ronilda Lana Aguiar, Amanda Gonçalves Alves, Ana Clara Paiva Gomides, Johnatan Jair de Paula Marchiori, Bruna de Oliveira Magnani, Evellyn Zuqui Bolsoni, Patrícia Soares Furno Fontes

International Journal of Plant & Soil Science · pp. 26–33 · Published 1 Apr 2023

10.9734/ijpss/2023/v35i82879

Abstract

The aim of this work was to study the effect of the interaction between castor bean oil (Ricinus communis) and jatropha oil (Jatropha curcas) on the aphid, Myzus persicae. The experiment was realized at the Institute Federal of Espírito Santo in Brazil. Tests were conducted in a completely randomized design, with 11 treatments and 10 repetitions, arranged in a factorial arrangement of 11 (interactions between oils) x 2 (application forms). The concentration used in this test was 3 %. Treatment interaction ratios were 0-100; 10-90; 20-80; 30 -70; 40-60; 50-50; 60-40; 70-30; 80-20; 90-10; 100-0 % jatropha and castor bean oil, respectively. Tests of direct and indirect application were performed. The evaluations were performed 24, 48, and 72 hours after the applications. For both forms of application, there were significant mortalities. Mortalities greater than 70 % were observed when the interaction contained more significant amounts of jatropha than castor bean. However, a negative interaction was observed between concentrations with similar proportions. In conclusion, for both application forms, the interaction between jatropha and castor bean oils effectively reduce the population of M. persicae.

Alternative control Brazil Myzus persicae Jatropha curcas Ricinus communis

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