In Vitro Cadmium-Induced Alterations in Growth and Oxidative Metabolism of Upland Cotton (Gossypium hirsutum L.)

Table 3

Soluble protein (mgg⁻¹ FW) of cotton callus culture (cv. YZ1) grown under various levels of cadmium.

Cd treatment (µM)	Stress periods
	7 days	14 days	21 days	28 days
0	4.08 ± 0.07^ab; (0.00)	6.53 ± 0.17^a; (0.00)	6.92 ± 0.21^d; (0.00)	4.99 ± 0.19^d; (0.00)
550	2.19 ± 0.21^c; (46.44)	4.77 ± 0.19^b; (27.04)	7.78 ± 0.21^c; (−12.53)	6.88 ± 0.15^b; (−37.90)
700	3.82 ± 0.19^ab; (6.52)	2.89 ± 0.14^d; (55.87)	7.82 ± 0.16^c; (−13.01)	5.89 ± 0.14^c; (−18.18)
850	4.30 ± 0.11^a; (−5.40)	3.82 ± 0.17^c; (41.53)	14.87 ± 0.18^a; (−114.94)	7.21 ± 0.15^b; (−44.59)
1000	3.60 ± 0.29^b; (11.66)	4.59 ± 0.19^b; (29.64)	8.85 ± 0.18^b; (−28.00)	9.33 ± 0.14^a; (−87.17)

Values are the means ± SE of three replications. Variants possessing the same letters are not statistically significant at 5% probability level. Other pieces of information are the same as in Table 1.