Research Article
Evaluation of the Effect of Four Bioactive Compounds in Combination with Chemical Product against Two Spider Mites Tetranychus urticae and Eutetranychus orientalis(Acari: Tetranychidae)
Figure 5
Principal component analyses of acaricidal activity against E. orientalis and T. urticae adults in regards to the four essential oils and concentrations. (a) Biplot of the projection of the variables and the individuals according to concentrations on the first and second principal components; (b) biplot of the projection of the variables and the individuals according to essential oils on the first and second principal components.
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