Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant Corn

Table 7

Combined Mean Aflatoxin and Fumonisin Contamination of Herbicide Tolerant Corn Hybrids Grown With and Without Herbicide Application at Stoneville, MS.

			Fumonisin‡
Hybrid§	Aflatoxin†
	ngg−1
	2005	2006	Year	mg kg−1
DKC 60-17RR	74.8	27.9	2005	5.8
DKC 60-19RR	109.9	30.8	2006	9.8
G8118RR	21.3	15.3	2007	1.1
G8287RR	32.8	18.8
31G98	36.4	25.1
34A55LL	31.1	18.3

†Hybrid means averaged across both herbicide and cultivated treatments replicated four times. Means within a column and a row LSD (𝑃≤.01=37.7). No aflatoxin was detected in 2007.
‡Means of 6 hybrids, two weed control treatments and 4 replications. Means are significantly different (𝑃≤.01).
§Refer to Table 1 for Hybrid information.