Weed Control in White Bean with Pethoxamid Tank-Mixes Applied Preemergence

Table 2

Percent control, density, and dry weight of redroot pigweed pigweed 2 and 4 weeks after herbicide treatment (WAT) in white bean treated with pethoxamid applied PRE in 2015, 2016, and 2017.

Treatment	Rate (g·ai/ha)	Control (%)		Density (#/m^2)	Dry weight (g/m^2)
		2 WAT	4 WAT
Weedy check		0^b	0^b	13.6^d	18.4^d
Weed-free check		100^a	100^a	0.0^a	0.0^a
Pethoxamid	840	84^a	70^a	2.6^bc	2.5^bc
S-metolachlor	1050	82^a	71^a	2.1^bc	2.5^bc
Halosulfuron	35	89^a	76^a	1.8^bc	2.1^abc
Imazethapyr	75	88^a	72^a	2.9^c	6.3^cd
Sulfentrazone	140	93^a	87^a	0.8^abc	1.0^abc
Pethoxamid + halosulfuron	840 + 35	97^a	94^a	0.6^abc	1.0^abc
Pethoxamid + imazethapyr	840 + 75	91^a	82^a	1.4^abc	2.2^abc
Pethoxamid + sulfentrazone	840 + 140	98^a	98^a	0.3^ab	0.3^ab

Data were combined over environments and years. Means followed by the same letter within a column are not significantly different according to the Tukey–Kramer multiple range test at .