Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant Corn

Table 5

Combined Mean Grain Yields of Herbicide Tolerant Corn Hybrids Grown With and Without Herbicide Application at Stoneville, MS.†

		Mgha−1
Hybrid‡	2005	2006	2007
DKC 60-17RR	11.5	11.2	12
DKC 60-19RR	12.8	11.3	11.8
G8118RR	7	10.5	9.3
G8287RR	11.3	11.5	******
G8270RR	******	******	10.8
31G98	11	9.7	12.6
34A55LL	10.8	8.6	11.5

†Hybrid means averaged across both herbicide and cultivated treatments replicated 4 times. LSD (𝑃≤.01)=1.5 for comparing means within a column and within a row LSD(𝑃≤.01)=1.6.
‡Refer to Table 1 for hybrid information.