Fig. 1: Red-fleshed apple calli on medium supplemented with different NAA concentrations (5, 10, 20, and 40 μmol/L). | Horticulture Research

Fig. 1: Red-fleshed apple calli on medium supplemented with different NAA concentrations (5, 10, 20, and 40 μmol/L).

From: Auxin regulates anthocyanin biosynthesis through the Aux/IAA–ARF signaling pathway in apple

Fig. 1

a Phenotypes of calli treated with different NAA concentrations, as well as the extraction of anthocyanin. b Relative anthocyanin content at 18 days. The relative anthocyanin content was calculated as follows: absorbance (530 nm)/fresh weight (g). c Relative expression levels of anthocyanin biosynthesis-related genes in response to different NAA treatments at 18 days

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