Physiological and biochemical responses of Egeria densa to different sediment redox conditions

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Table 3

Pearson correlation coefficients among SGR (mm/day), RGR (mg/day), total chlorophyll (mg/g FW), F_v/F_m, hydrogen peroxide (H₂O₂, μmol/g FW), guaiacol peroxidase (POD, μmol/min/g FW), catalase (CAT, μmol/min/g FW), ascorbate peroxidase (APX, μmol/min/g FW), and IAA (μg/g FW) in E. densa after exposure to experiment 1 and experiment 2, n = 3.

	SGR	RGR	Total Chl.	F_v/F_m	H₂O₂	POD	CAT	APX
Experiment 1
RGR	0.90^**
Total Chl.	0.96^**	0.92^**
F_v/F_m	0.94^**	0.83^**	0.94^**
H₂O₂	−0.95^**	−0.86^**	−0.97^**	−0.95^**
POD	−0.96^**	−0.86^**	−0.96^**	−0.94^**	0.98^**
CAT	−0.97^**	−0.87^**	−0.98^**	−0.94^**	0.98^**	0.99^**
APX	−0.96^**	−0.85^**	−0.96^**	−0.93^**	0.98^**	0.99^**	0.99^**
IAA	0.96^**	0.86^**	0.96^**	0.9^**	−0.96^**	−0.96^**	−0.97^**	−0.95^**

Experiment 2
RGR	0.63^*
Total Chl.	0.68^**	0.86^**
F_v/F_m	0.66^**	0.83^**	0.86^**
H₂O₂	−0.53^*	−0.89^**	−0.94^**	−0.86^**
POD	−0.72^**	−0.92^**	−0.94^**	−0.86^**	0.94^**
CAT	−0.21	−0.67^*	−0.59^*	−0.67^**	0.76^**	0.63^*
APX	−0.48	−0.75^**	−0.79^**	−0.83^**	0.85^**	0.78^**	0.77^**
IAA	0.69^*	0.94^**	0.87^**	0.85^**	−0.88^**	−0.94^**	−0.68^**	−0.74^**

Correlation is statistically significant at the 0.05 level.

^**

Correlation is statistically significant at the 0.01 level.

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