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Fig. 1 | BMC Plant Biology

Fig. 1

From: Transcriptomic responses to drought stress among natural populations provide insights into local adaptation of weeping forsythia

Fig. 1

Principal component analysis of gene expression based on FPKM. Principal component 1 (PC1; 55.6% of variance) plotted against principal component 2 (PC2; 17.1% of variance). Triangles denote control samples (80% SWC) and circles denote samples exposed to drought stress (20% SWC). White symbols correspond to population HBWZ, light grey symbols to population SXLJ, dark grey symbols to population SXHM, and black symbols to population SXWL

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