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Figure 6 | BMC Plant Biology

Figure 6

From: 'Le Rouge et le Noir': A decline in flavone formation correlates with the rare color of black dahlia (Dahlia variabilis hort.) flowers

Figure 6

Overview of the flavonoid pathway in D. variabilis . In black cultivars, branches leading to yellow 6’-deoxychalcones and 4-deoxyaurones and colourless flavones are blocked and low amounts of flavonols are formed. Flux into anthocyanin formation is considerably enhanced. In white and yellow cultivars the pathway to anthocyanins is commonly blocked at the level of DFR.

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