Weed Control in Corn and Soybean with Group 15 (VLCFA Inhibitor) Herbicides Applied Preemergence

Table 6

Control, density, and dry weight of green foxtail in corn and soybean treated with VLCFA inhibitor herbicides, applied preemergence (PRE), near Exeter in 2015–2017 and Ridgetown in 2017^a.

Treatment	Rate (g·ai·ha^−1)	Control (%)		Density (no. m^−2)	Dry weight (g·m^−2)
		4 WAA	8 WAA
Corn
Weed-free control		100	100	0.0^a	0.0^a
Weedy control		0^b	0^b	29.9^d	11.3^b
Dimethenamid-P	544	84^a	96^a	0.4^ab	0.1^a
Pethoxamid	840	71^a	91^a	3.6^c	1.0^a
Pyroxasulfone	100	81^a	96^a	1.6^bc	0.8^a
S-metolachlor	1050	94^a	96^a	1.5^bc	0.3^a
Soybean
Weed-free control		100	100	0^a	0.0^a
Weedy control		0^c	0^c	50^c	22.8^d
Dimethenamid-P	544	88^a	89^a	4^b	1.5^b
Pethoxamid	840	55^b	60^b	19^c	8.4^c
Pyroxasulfone	100	70^ab	74^ab	5^b	1.7^b
S-metolachlor	1050	78^a	78^ab	6^b	1.5^b

^aMeans followed by the same alphabetical letter within a column for each crop are not significantly different according to the Tukey–Kramer multiple range test at .