Management Options and Factors Affecting Control of a Common Waterhemp (Amaranthus rudis) Biotype Resistant to Protoporphyrinogen Oxidase-Inhibiting Herbicides

Table 2

Visual control and common waterhemp stand establishment 28 days after application of PRE herbicides in 2002 and 2003.

Treatment	Rate	2002		2003
		Control	Stand reduction	Control	Stand reduction
	g ai ha^−1		%
Flumioxazin	72	90	91	91	98
Sulfentrazone	240	84	92	90	99
Isoxaflutole	70	85	90	95	99
Nontreated	—	0	0	0	0
LSD (𝑃=0.05)		12	27	7	39