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 2

Effects of salt treatments on shoot length, shoot fresh weight, and shoot and root dry weight of HVA1, mtlD, and HVA1-mtlD T3 plants.

	Percentage reduction (%) of
	Shoot length	Shoot fresh weight	Shoot dry weight	Root dry weight
HVA1
100 mM	7.6^f	32.1^f	14.8^h	25.0^defg
200 mM	17.0^d	43.3^e	49.2^d	25.1^def
300 mM	24.0^c	66.4^c	58.5^b	43.2^b
mtlD
100 mM	8.0^f	25.9^g	27.0^g	21.9^efg
200 mM	11.3^e	51.3^d	35.7^f	27.9^de
300 mM	16.7^d	65.6^c	50.9^dc	30.1^cd
HVA1/mtlD
100 mM	10.3^ef	13.0^h	18.4^h	21.4^fg
200 mM	17.6^d	50.3^d	42.1^e	18.6^g
300 mM	29.7^b	67.7^bc	54.7^bc	34.6^c
WT
100 mM	15.3^d	45.6^e	40.3^ef	30.2^cd
200 mM	22.6^c	70.0^b	57.0^b	44.4^b
300 mM	37.7^a	76.3^a	73.3^a	51.9^a

Means within columns followed by the same letter are not significantly different (𝑃<0.05).