Table 3.

Effects of exogenous zeaxanthin on photosynthetic parameters of pepper under low temperature combined with low-light stress.

Treatment	Pn (μmol m−2 s−1)	Ci (μmol m−2 s−1)	Tr (mmol m−2 s−1)	Gs (mmol m−2 s−1)
CK	14.133 ± 0.285 a	348.000 ± 4.360 b	3.300 ± 0.058 a	112.667 ± 6.360 a
CK + Z	12.067 ± 1.396 a	375.333 ± 19.471 b	2.533 ± 0.176 b	96.000 ± 9.019 a
LL	0.267 ± 0.067 c	479.667 ± 5.175 a	1.167 ± 0.090 c	40.133 ± 2.862 c
LL + Z	5.000 ± 0.153 b	343.667 ± 12.170 b	1.367 ± 0.033 c	69.667 ± 2.028 b

Note: The values were presented as means ± standard deviations (SDs; n = 3); different lowercase letters in the same column indicate significant differences at p < 0.05 level.