Research Article

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

Table 7

Control, density, and dry weight of barnyardgrass treated with VLCFA inhibitor herbicides, applied preemergence (PRE), in soybean near Exeter (2017) and Ridgetown (2017)a.

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

Soybean
Weed-free control1001000a0.0a
Weedy control0b0b36c39.8c
Dimethenamid-P54480a80a11bc3.5abc
Pethoxamid84048ab35ab14bc12.9bc
Pyroxasulfone10056ab53ab13bc4.0abc
S-metolachlor105060a61ab5ab1.2ab

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 .