Weed Control in Corn and Soybean with Group 15 (VLCFA Inhibitor) Herbicides Applied Preemergence
Table 5
Control, density, and dry weight of wild mustard in corn and soybean treated with VLCFA inhibitor herbicides, applied preemergence (PRE), near Exeter in 2015 and 2017a.
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
0.0a
0.0a
Weedy control
0b
0b
118.2b
195.4b
Dimethenamid-P
544
34ab
25a
56.3b
109.7b
Pethoxamid
840
24ab
31a
53.7b
143.3b
Pyroxasulfone
100
54a
57a
9.5b
37.0ab
S-metolachlor
1050
32ab
19ab
71.0b
160.3b
Soybean
Weed-free control
100
100
0a
0.0a
Weedy control
0b
0c
23c
76.9b
Dimethenamid-P
544
62a
35ab
9abc
20.2b
Pethoxamid
840
48a
23bc
20c
58.2b
Pyroxasulfone
100
70a
51a
4ab
8.1ab
S-metolachlor
1050
51a
16bc
14bc
35.6b
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 .