Table 3. The main effects of different soil moistures and fertilizers on the carotenoid and relative water content (RWC) of Dracocephalum kotschyi L.

		Carotenoids (Mg g−1 fresh weight)	RWC (%)
Soil moisture
	WW	1.92 ± 0.09c	88.73 ± 4.94a
	MWS	2.22 ± 0.18a	79.21 ± 4.36b
	SWS	2.10 ± 0.134b	72.48 ± 5.67c
Fertilizers
	Control	1.98 ± 0.205c	79.12 ± 6.77c
	AMF	2.07 ± 0.128b	87.88 ± 7.61b
	PGPR	2.03 ± 0.144bc	81.15 ± 8.65c
	AMF + PGPR	2.25 ± 0.162a	91.38 ± 8.20a

Notes.

The results are expressed as means of three replicates ± standard error (SE), WW, MWS and SWS corresponding to well watering (100% field capacity), moderate water stress (80% field capacity), and severe water stress (60% field capacity), respectively.

Means in each column followed by a similar letter (s) are not significantly different at a 5% probability level using the Duncan test.