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. 2021 Jan 7;11:540821. doi: 10.3389/fpls.2020.540821

FIGURE 3.

FIGURE 3

Principal component analysis (PCA) based on narcissi emitted volatiles at five time points (ZT, zeitgeber time) under six different light:dark and temperature conditions. LD, light:dark; DD, constant darkness; PC, principal component.