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Expression of candidate MdGRAS genes in apple buds in the easy-flowering variety “Yanfu No. 6” and different-flowering “Nagafu No. 2.” Samples were collected at 30, 40, 50, 60, 70, and 80 days after full bloom (DAFB). Each value represents the mean ± standard error of three replicates. Means followed by small letters (a, b) are significantly different at a level of 0.05.
