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

Table 3

Percent control, density, and dry weight of common ragweed 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^d	0^e	14.8^b	22.0^cd
Weed-free check		100	100	0.0^a	0.0^a
Pethoxamid	840	19^cd	25^cd	10.2^b	19.6^cd
S-metolachlor	1050	7^cd	19^d	18.2^b	35.5^d
Halosulfuron	35	89^a	88^a	1.5^a	1.9^b
Imazethapyr	75	57^ab	63^ab	7.7^b	9.6^c
Sulfentrazone	140	4^cd	25^cd	11.2^b	24.6^cd
Pethoxamid + halosulfuron	840 + 35	93^a	92^a	1.9^a	1.0^ab
Pethoxamid + imazethapyr	840 + 75	77^a	79^ab	6.9^b	9.7^c
Pethoxamid + sulfentrazone	840 + 140	38^bc	54^bc	10.4^b	21.4^cd

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 .