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A heat-map (log transformed) of qRT-PCR gene expression data for main regulators of vascular development in 5-week old wild-type Arabidopsis. Stem1 denoted the base of main inflorescence stem 10 cm in height above the uppermost rosette leaf and stem2 denoted the base of main inflorescence stem 30 cm in height above the uppermost rosette leaf. Phloem and xylem were ontained by peeling method.
