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Expression of floral identity genes in selected vegetative and reproductive tissues of C. maximus. Relative mRNA levels were determined using qRT-PCR and normalized using housekeeping genes 18S, GAPDH and β-actin as internal controls. Values are mean ± s.e. of four replicates. Inflo, inflorescences 2–3 mm in length; Flo Bud 1, early-stage flower buds 2–3 mm in length; Flo Bud 2, mid-stage flower buds 18–20 mm in length; Seed pods, 2–3 weeks after flowering.
