Use of Serendipita indica to improve soybean growth, physiological properties, and soil enzymatic activities under different Cd concentrations

Chemical and Biological Technologies in Agriculture

Table 2 Effects of Serendipita indica and Cd treatment on photosynthetic physiological indexes of soybean leaves

Fungal treatment	Cd treatment	Pn (umol/m²/s)	Tr (mmol/m²/s)	Ci (ppm)	Gs (mmol/m²/s)
− S	NH	14.47 ± 0.30 c	3.79 ± 0.29 b	366.40 ± 25.48 a	257.80 ± 24.30 bc
	LH	12.45 ± 0.96 de	3.57 ± 0.21 b	339.67 ± 7.37 b	237.00 ± 5.57 cd
	MH	11.30 ± 1.02 e	2.30 ± 0.14 c	323.00 ± 8.11 c	211.75 ± 13.84 d
	HH	6.65 ± 0.33 f	1.68 ± 0.26 d	314.78 ± 16.44 cd	143.00 ± 29.26 e
+ S	NH	17.28 ± 0.11 a	4.43 ± 0.30 a	319.00 ± 5.39 cd	322.67 ± 15.47 a
	LH	15.95 ± 0.71 b	3.77 ± 0.36 b	318.44 ± 4.90 cd	294.67 ± 35.17 ab
	MH	13.14 ± 0.66 d	3.68 ± 0.12 b	317.88 ± 11.41 cd	270.20 ± 18.46 bc
	HH	11.45 ± 0.69 e	3.68 ± 0.09 b	303.89 ± 7.94 d	258.44 ± 17.75 bc
S		**	**	**	**
Cd		**	**	**	**
S × Cd		**	**	**	**

The value represents the mean ± SE (n ≥ 3). The same letter in the same column of data in the table indicates significant no differences among treatments using Duncan’s Multiple Range Test in the level of P < 0.05. ** P < 0.01
− S Non-inoculation (control), + S S. indica inoculation, NH Cd 0 mg·kg⁻¹ treatment, LH Cd 3 mg·kg⁻¹ treatment, MH Cd 6 mg·kg⁻¹ treatment, HH Cd 9 mg·kg⁻¹ treatment