Supplementary Light Source Affects Growth, Metabolism, and Physiology of Adenophora triphylla (Thunb.) A.DC. Seedlings

Table 4

Contents of soluble sugar, starch, and soluble protein in A. triphylla leaves as affected by supplementary light source.

Treatment	Soluble sugar (% of FW)	Starch (% of FW)	Soluble protein (% of FW)
HPS	2.16 ± 0.05 ab	1.01 ± 0.04 b	0.87 ± 0.07 a
MH	1.94 ± 0.04 ab	1.04 ± 0.02 ab	0.80 ± 0.06 a
FR	1.73 ± 0.20 b	1.00 ± 0.01 b	0.85 ± 0.05 a
LED-w	2.27 ± 0.09 a	1.10 ± 0.02 ab	0.84 ± 0.04 a
LED-mix	2.31 ± 0.18 a	1.13 ± 0.04 a	0.83 ± 0.02 a

FW: fresh weight; HPS: high pressure sodium; MH: metal halide; FR: far-red; LED-w: white (red: green: blue = 2:4:3) LED; and LED-mix: mixed (red: green: blue = 4:1:4) LED. Data are presented as the mean ± standard error of mean (n = 9). Different letters (a and b) indicate significant differences (p < 0.05) among treatments.