Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant Corn

Table 1

Hybrids Used to Evaluate Effects of Herbicides on Corn Growth and Development at Stoneville, MS.

Hybrid	Maturity†
	GDU 10's	days
DKC 60-17RR‡	1471	110
DKC 60-19RR‡	1471	110
G8118RR§{	1624	120
G8287RR§{	1540	116
G8270RR§	1571	118
31G98 #††	1556	117
34A55LL#‡‡	1471	110

†Data from companies’ sales literature. RR suffix denotes glyphosate resistance.
‡Monsanto St. Louis, MO.
§Garst Seed Company, Slater, IA.
{G8287RR planted in 2005 and 2006. G8270RR planted in 2007.
#Pioneer International, Johnston, IA.
††Glyphosate and glufosinate-ammonium intolerant hybrid treated with Atrazine.
‡‡LL suffix denotes glufosinate-ammonium tolerant hybrid.