Research Article

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.

TreatmentRate (g·ai·ha−1)Control (%)Density (no. m−2)Dry weight (g·m−2)
4 WAA8 WAA

Corn
Weed-free control1001000.0a0.0a
Weedy control0b0b118.2b195.4b
Dimethenamid-P54434ab25a56.3b109.7b
Pethoxamid84024ab31a53.7b143.3b
Pyroxasulfone10054a57a9.5b37.0ab
S-metolachlor105032ab19ab71.0b160.3b
Soybean
Weed-free control1001000a0.0a
Weedy control0b0c23c76.9b
Dimethenamid-P54462a35ab9abc20.2b
Pethoxamid84048a23bc20c58.2b
Pyroxasulfone10070a51a4ab8.1ab
S-metolachlor105051a16bc14bc35.6b

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 .