Figure 1.

The morphological character of tea (Camellia sinensis) buds (a), and accumulations of GA₃ (b) and theanine (c) in tea buds at different growth stages. (d,e) represent the chemical structure of GA₃ and theanine. S1–S8 represent the stage of overwintering bud, bud germination, bud elongating, one bud, one bud with one leaf, one bud with two leaves, one bud with three leaves and one bud with four leaves, respectively. The values represented the mean ± SE of 10 biological replicates (n = 3) in (b,c).