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Fig. 2 | BMC Plant Biology

Fig. 2

From: Combining GS-assisted GWAS and transcriptome analysis to mine candidate genes for nitrogen utilization efficiency in Populus cathayana

Fig. 2

Clustering of transcriptome samples and statistical results of differentially expressed genes (DEGs). a Principal component analysis (PCA) of 78 samples b Sample correlation coefficients, with redder colors indicating higher correlation coefficients c Hierarchical clustering analysis of DEGs. d The number of upregulated and downregulated DEGs in each comparison group

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