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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Results of principal component analysis (PCA) on the profile of destruxins of Metarhizium species in samples without the addition of acetamiprid and with acetamiprid at concentrations of 5, 25 and 50 mg L−1. PC1 against PC2 scores chart (top); PC1 against PC2 loadings chart (bottom).