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Figure 4

From: Volatiles from Aquilaria sinensis damaged by Heortia vitessoides larvae deter the conspecific gravid adults and attract its predator Cantheconidea concinna

Figure 4

Scores plot of the principal component analysis (PCA) of headspace volatiles from undamaged, mechanically damaged, and herbivore-damaged Aquilaria sinensis plants damaged by leaf-feeding larvae of Heortia vitessoides over a 4-d period. Each single symbol (green circles) represents a sample. N = 6 for each treatment group. Black circles represent classification of these plants. The x-axis represents the first principal component (PC-1) and the y-axis represents the second principal component (PC-2), which accounted for 37.50% and 17.77% of the total variation, respectively.

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