干旱胁迫下春玉米七叶期光合特性及其响应机理

唐玉瑞, 齐月, 王鹤龄, 杨阳, 赵鸿, 张凯, 魏星星, 王仁奎

Photosynthetic characteristics and response mechanism of spring maize at seven-leaf stage under drought stress

TANG Yurui, QI Yue, WANG Heling, YANG Yang, ZHAO Hong, ZHANG Kai, WEI Xingxing, WANG Renkui

表4 CK处理和不同干旱胁迫下春玉米气孔限制值对光的响应参数

Tab.4 The light-response parameters of stomatal limit value of spring maize leaves under CK treatment and different drought stress conditions

不同处理	α₃/×10^-2	β₃/×10^-4	γ₃/×10^-2	L_smax	L_s-_I_sat/（μmol·m^-2·s^-1）
CK	3.36±0.35^a	0.41±0.15^a	2.40±0.23^b	0.75±0.04 ^a	1 018.20±52.73 ^b
T1	1.29±0.34^b	0.50±0.20^a	1.30±0.22^c	0.69±0.09 ^a	1 099.13±64.80 ^b
T2	2.01±0.70^b	0.39±0.31^a	1.78±0.43^b	0.80±0.09 ^a	1 351.33±25.57 ^a
T3	0.51±0.16^c	-0.22±0.20^b	4.07±0.61^a	0.09±0.01 ^b