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

Table 4 Influence of different salt treatments on light compensation 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	57.2 ± 14.6^a	52.7 ± 2.4^a	45.4 ± 1.7^ab	37.6 ± 6.9^a	52.4 ± 3.1^a	33.0 ± 14.8^a
1	33.7 ± 3.1^b	35.9 ± 4.4^b	39.0 ± 1.9^a	25.1 ± 7.8^a	34.5 ± 2.9^b	29.5 ± 11.1^a
2	30.8 ± 2.4^b	42.3 ± 1.5^ab	67.0 ± 7.1^c	27.6 ± 7.3^a	43.3 ± 4.7^ab	27.7 ± 13.9^a
3	26.1 ± 0.9^b	43.2 ± 6.8^ab	58.2 ± 3.1^bc	46.7 ± 5.5^a	42.3 ± 6.8^ab	46.9 ± 5.5^a
4	30.6 ± 4.6^b	46.0 ± 0.5^ab	53.6 ± 4.3^bc	32.4 ± 8.7^a	31.9 ± 1.0^b	57.8 ± 16.8^a