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Figure 2 | BMC Plant Biology

Figure 2

From: Global expression profiling in leaves of free-growing aspen

Figure 2

Overview of gene expression in leaves of free-growing aspen during the growing season. Comparison of gene expression in leaves of free-growing aspen during the growing season of 2000 (grey circles) and 2002 (white circles). The first two principal components obtained from the PCA analysis of the microarray data are shown. Temperature sums (day degrees, see Material and methods) for the days of sampling are indicated, while Ia, Ib, Ic, Id, II and III corresponds to gene expression sub-phases, described in the text

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