三种盐胁迫对互花米草和芦苇光合作用的影响

三种盐胁迫对互花米草和芦苇光合作用的影响

胡楚琦, 刘金珂, 王天弘, 王文琳, 卢山, 周长芳

Influence of three types of salt stress on photosynthesis in Spartina alterniflora and Phragmites australis

HU Chu-Qi,LIU Jin-Ke,WANG Tian-Hong,WANG Wen-Lin,LU Shan,ZHOU Chang-Fang

表3 不同盐处理下互花米草和芦苇的光饱和点(μmol·m^-2·s^-1) (平均值±标准误差, n = 3)

Table 3 Influence of different salt treatments on light saturation point in Spartina alterniflora and Phragmites australis (mean ± SE, n = 3)

处理后天数 Day after treatment	互花米草 S. alterniflora				芦苇 P. australis
处理后天数 Day after treatment	NaCl	Na₂SO₄	Na₂S		NaCl	Na₂SO₄	Na₂S
0	2 440.0 ± 136.2^a	2 067.1 ± 75.6^a	2 258.1 ± 198.7^a		1 815.1 ± 166.1^a	2 081.2 ± 169.7^a	1 911.2 ± 77.0^a
1	2 517.8 ± 180.3^a	2 366.9 ± 413.6^a	2 246.4 ± 124.7^a		1 958.9 ± 66.4^a	1 943.5 ± 239.8^a	2 141.6 ± 113.0^a
2	2 520.5 ± 0.8^a	2 221.7 ± 315.2^a	2 313.3 ± 182.0^a		1 973.9 ± 132.6^a	1 970.5 ± 130.5^a	1 924.3 ± 124.7^a
3	2 475.9 ± 149.5^a	1 951.2 ± 224.0^a	2 438.8 ± 170.1^a		1 747.9 ± 161.2^a	1 942.0 ± 98.4^a	2 054.1 ± 98.6^a
4	2 371.4 ± 191.0^a	2 230.3 ± 114.1^a	2 613.2 ± 191.2^a		1 905.5 ± 118.9^a	1 917.9 ± 177.4^a	1 788.5 ± 114.7^a