Transgene Pyramiding of the HVA1 and mtlD in T3 Maize (Zea mays L.) Plants Confers Drought and Salt Tolerance, along with an Increase in Crop Biomass

Table 3

Effects of different NaCl concentrations on accumulation of different soluble sugars in T3 versus the wild-type control plants.

NaCl	Mannitol; (µmol/g FW)	Glucose; (µmol/g FW)	Sucrose; (µmol/g FW)	Fructose; (µmol/g FW)	Inositol; (µmol/g FW)
mtlD transgenics
0 mM	0.26±0.04	5.66±0.54	33.3±3.4	4.15±1.00	0.61±0.04
100 mM	0.43±0.05	8.54±1.00	45.2±1.8	2.49±0.17	1.02±0.01
200 mM	0.56±0.05	5.52±0.23	42.8±1.3	4.34±0.17	1.22±0.03
300 mM	0.35±0.02	7.11±0.20	49.7±6.0	5.94±0.10	1.24±0.21
HVA1-mtlD transgenics
0 mM	0.32±0.09	7.55±2.12	35.5±5.3	4.70±1.90	0.65±0.16
100 mM	0.37±0.06	9.04±0.99	50.9±3.5	8.68±0.39	0.99±0.01
200 mM	0.52±0.13	9.41±0.68	45.3±3.4	7.56±0.45	1.37±0.19
300 mM	0.55±0.18	7.20±0.48	48.1±4.8	6.31±0.15	1.55±0.14
Wild-type
0 mM	0.18±0.08	3.85±0.39	30.3±0.6	1.83±0.01	0.46±0.06
100 mM	0.21±0.04	9.19±2.11	41.0±2.0	2.74±0.46	0.75±0.05
200 mM	0.19±0.02	10.65±1.24	55.6±6.3	4.78±0.40	1.12±0.04
300 mM	0.14±0.02	6.92±1.80	36.0±2.2	2.95±0.45	0.76±0.01