Effects of Salt-Drought Stress on Growth and Physiobiochemical Characteristics of Tamarix chinensis Seedlings

Table 1

Effects of Tamarix chinensis growth and biomass conditions with different salt and drought stresses treatment.

Treatment		Plant height (cm)	Main root; length (cm)	Stem basal; diameter (cm)	Overground; biomass (g)	Underground; biomass (g)
Water condition	Salinity; content
High soil moisture (mild drought)	CK	85.93 ± 7.65^b	14.54 ± 1.25^a	0.51 ± 0.12^a	13.12 ± 2.89^b	5.01 ± 0.97^b
	0.4%	115.76 ± 10.28^a	15.58 ± 1.67^a	0.63 ± 0.26^a	18.01 ± 3.35^a	9.52 ± 2.71^a
	1.2%	87.29 ± 5.96^b	11.56 ± 1.87^b	0.37 ± 0.14^b	9.04 ± 3.02^c	4.13 ± 1.85^b
	2.5%	—	—	—	—	—
Low soil moisture (severe drought)	CK	85.70 ± 5.37^b	11.51 ± 1.12^b	0.47 ± 0.14^a	12.89 ± 1.18^b	4.86 ± 0.92^b
	0.4%	98.58 ± 4.72^a	12.57 ± 1.25^b	0.49 ± 0.22^a	15.67 ± 1.37^a	7.03 ± 1.15^a
	1.2%	74.43 ± 5.01^c	15.68 ± 1.67^a	0.35 ± 0.09^b	6.95 ± 1.86^c	3.72 ± 0.89^b
	2.5%	86.24 ± 3.97^b	10.89 ± 1.02^b	0.36 ± 0.08^b	5.26 ± 0.98^c	2.63 ± 0.76^c

The different letters within the same row indicate the significant difference at 0.05 level. “—”stands for plant individual death.