. 2020 May 27;11:674. doi: 10.3389/fpls.2020.00674

TABLE 7.

Effect of Sb on the AsA, DHA, and ascorbate pool (AsA + DHA) contents, the AsA/DHA ratio, the GSH, GSSG, and glutathione pool (GSH + GSSG) contents, and the GSH/GSSG ratio, in roots and leaves of tomato plants.

Treatments	AsA(nmol g⁻¹ FW)		DHA(nmol g⁻¹ FW)		AsA + DHA(nmol g⁻¹ FW)		AsA/DHA
	Roots	Leaves	Roots	Leaves	Roots	Leaves	Roots	Leaves
Control	95.23 ± 9.73^a	223.38 ± 35.36^b	388.10 ± 28.17^b	2195.65 ± 143.33^a	483.33 ± 51.5^b	2419.03 ± 133.36^a	0.249 ± 0.011^a	0.102 ± 0.089^b
0.5 mM Sb	68.07 ± 5.51^b	234.17 ± 38.63^b	324.22 ± 34.83^b	2127.77 ± 161.99^a	361.14 ± 29.8^c	2361.53 ± 208.86^a	0.237 ± 0.021^a	0.109 ± 0.008^b
1.0 mM Sb	103.63 ± 6.64^a	361.95 ± 45.60^a	580.94 ± 69.43^a	2053.25 ± 270.45^a	684.56 ± 55.7^a	2430.20 ± 224.06^a	0.179 ± 0.009^b	0.180 ± 0.021^a

Treatments	GSH(nmol g⁻¹ FW)		GSSG(nmol g⁻¹ FW)		GSH + GSSG(nmol g⁻¹ FW)		GSH/GSSG
	Roots	Leaves	Roots	Leaves	Roots	Leaves	Roots	Leaves

Control	13.15 ± 2.0^a	18.71 ± 3.1^b	43.1 ± 3.9^a	79.95 ± 8.2^a	56.25 ± 5.8^a	98.66 ± 11.4^a	0.316 ± 0.029^a	0.247 ± 0.013^b
0.5 mM Sb	8.83 ± 1.4^b	17.62 ± 2.6^b	24.24 ± 3.5^c	85.84 ± 9.1^a	33.06 ± 4.1^c	103.46 ± 8.5^a	0.385 ± 0.030^a	0.205 ± 0.091^b
1.0 mM Sb	9.7 ± 1.6^b	23.24 ± 3.0^a	30.32 ± 2.2^b	72.82 ± 6.5^a	40.02 ± 3.6^b	96.06 ± 10.5^a	0.316 ± 0.025^a	0.333 ± 0.021^a

The data are from 10 independent experiments, each carried out in triplicate (different letters indicate significant differences at p < 0.05, Mann–Whitney U-test).