Table 1: Visible estimates of broadleaf signalgrass, entireleaf morningglory, and common ragweed control by clethodim, lactofen, and glyphosate 4 weeks after application at the manufacturer’s suggested weed size and 4 and 8 days after this weed size using spray solutions mixed the day of application or 4 or 8 days prior to applicationa.

Timing of application after optimum weed size Timing of solution preparation prior to applicationVisible control
Broadleaf signalgrassEntireleaf morninggloryCommon ragweed
ClethodimLactofenGlyphosate
Rocky MountRocky MountLewiston-Woodville
Field 1Field 2Field 1Field 2Field 1Field 2

DaysDays%

0096a94a90a93a97ab89c
4093ab88ab84a86c96ab95ab
4494ab86b85a88bc98a99a
8090bc75c58b93ab86b88c
8888c79c56b98a93ab91bc

Means within a weed species, herbicide, location, and field combination followed by the same letter are not different at .