. 2025 Sep 5;13:e19934. doi: 10.7717/peerj.19934

Table 2. Daily average values of gas exchange parameters in leaves of camphor seedings of different provenances.

Code	P_n (μmol m⁻² s⁻¹)	G_s (mmol m⁻² s⁻¹)	C_i (μmol mol⁻¹)	T_r (μmol m⁻² s⁻¹)	L_s	WUE (mmol mol⁻¹)	SPAD	A_daily (mol m⁻² d⁻¹)
FZ	6.567 ± 1.003^a	0.039 ± 0.004^a	164.526 ± 35.468^a	0.680 ± 0.090a	0.634 ± 0.073^a	9.757 ± 0.982^a	25.017 ± 0.510^a	0.198 ± 0.002^b
SH	4.134 ± 0.619^a	0.022 ± 0.004^b	123.197 ± 23.14^a	0.417 ± 0.087a	0.726 ± 0.047^a	11.425 ± 0.972^a	18.650 ± 0.527^b	0.127 ± 0.001^c
SZ	6.522 ± 1.034^a	0.033 ± 0.005^ab	133.319 ± 34.49^a	0.599 ± 0.103a	0.723 ± 0.070^a	11.593 ± 1.187^a	25.333 ± 1.920^a	0.197 ± 0.001^b
WH	6.843 ± 1.004^a	0.037 ± 0.005^a	146.413 ± 29.86^a	0.645 ± 0.104a	0.695 ± 0.059^a	11.172 ± 0.930^a	25.667 ± 2.881^a	0.205 ± 0.001^a

Notes.

Different lowercase letters in the same column indicate significant differences in parameters at the 0.05 level. The same below.