Table 6.

Organic acid content in wheat grains in response to drought stress and Olive mill wastewater treatment (OMWW).

Parameter	Control	Stress	OMWW	OMWW + Stress
Succinate	305.07 ± 19.43 b	298.87 ± 24.45 b	478.17 ± 35.56 a	488.20 ± 20.88 a
Malate	96.88 ± 9.75 a	89.52 ± 10.00 a	93.72 ± 8.87 a	110.05 ± 14.01 a
Citrate	157.79 ± 21.26 b	191.09 ± 18.94 b	249.29 ± 31.90 a	282.04 ± 30.83 a
Lactate	155.93 ± 14.87 b	156.67 ± 9.77 b	193.45 ± 15.92 a	208.57 ± 21.63 a
Trans-aconitic	32.22 ± 3.11 a	25.84 ± 4.21 a	27.00 ± 3.79 a	32.34 ± 4.01 a
Oxalate	57.13 ± 3.33 b	54.80 ± 4.19 b	111.52 ± 9.98 a	113.04 ± 11.62 a

At a 5% probability level, the Tukey HSD test reveals that parameters sharing the same letter(s) is not significantly different.