Fig. 2From: Creation of new germplasm resources, development of SSR markers, and screening of monoterpene synthases in thymeRelative content, cluster analysis, and principal component analysis (PCA) analysis of volatile organic compounds (VOCs) in the essential oil of 10 thyme species. a Histogram of the relative content of terpenoids. b Cluster analysis of 10 thyme species, based on their essential oil composition. c Loading plot of active terpenoids. d Score plot of essential oil compositionsBack to article page