Ear Leaf Photosynthesis and Related Parameters of Transgenic and Non-GMO Maize Hybrids

Table 2

Mean A at growth stages R1 and R2 of 10 irrigated maize hybrids grown on a Bosket fine sandy loam (BFSL) and a Tunica clay (TC) soil in 2011 and 2012 near Stoneville, MS.

Year	A (mols CO2 m^−2 s^−1)
	R1		R2
	BFSL	TC	BFSL	TC
2011	23.4	28	20.5	24.7
2012	31.5	30.6	29.6	30.1

Means of 3 plants, 10 hybrids (Pioneer 31G96, 31P42, 31P40, 1615R, 33N55, 33N56, and 31P41; Dekalb DKC 66-96, DKC 67-21, and DKC 67-22), and 4 replications. To compare means within a column or a row .