Figure 1: Alteration of leaf color and chloroplast ultrastructure of albino tea cultivar ‘YJX’ compared to the normal green cultivar ‘SCZ’.

(A) Leaf color alteration over spring growing season of tea plants. (B) Four-day shaded ‘YJX’ pale leaves and ‘SCZ’ leaves. (C) and (D) chloroplasts in pale leaves of ‘YJX’ sampled on April 25th. (E) and (F) chloroplasts in the shaded green leaves of ‘YJX’ sampled on April 25th. (G) and (H) chloroplasts respectively in the non-shaded and shaded leaves of ‘SCZ’ sampled on April 25th. ‘YJX’, ‘Yu-Jin-Xiang’; ‘SCZ’, ‘Shu-Cha-Zao’; Ch, chloroplast; CW, cell wall; Th, thylakoid; Mi, mitochondria; Gr, grana; SG, starch granule; Vc, vacuole. Bars = 20 μm.