Fig. 1

Phenotype of leaf sheath color and relative content of three anthocyanidins in the common wild rice (Oryza rufipogon) and the cultivars (Oryza sativa). (A) Count of accessions with purple and green leaf sheath. (B), (C) and (D) Relative intensity of cyanidin-3-Galc, cyanidin 3-O-rutinoside, and cyanidin O-syringic acid. ‘***’ and ‘**’ indicate p-value<0.001 and 0.01, respectively