Figure 1.
Appearance characteristics of sample material. (A) Two distinct appearance characteristics of rootstocks, P. trifoliata and C. junos Siebold ex Tanaka. (B) Pictures of CT and CJ peels in four different development periods. (C) Total amino acid content in CT and CJ peels. Red columns indicating the total amino acid content in CT; orange columns indicating the total amino acid content in CJ. (D) PCA analysis of amino acids in different samples.
