Due to a variety of factors, both common lambsquarters and marestail (also called horseweed) are challenging soybean weeds. Both plants have high seed production, increasing resistance to common ...

For the past three years marestail populations east of the Mississippi River have exhibited resistance to glyphosate, the active ingredient in many popular herbicides, including Roundup. In 2002 the ...

Marestail . . . if you frequent farm stores you’ve heard people talking about how hard it is to kill. If you’ve been to a lawn and garden store, it’s the one they call, “that bushy leafed weed that ...

Dallas Peterson, Weed Management Specialist dpeterso@ksu.edu Doug Shoup, Southeast Area Crops and Soils Specialist dshoup@ksu.edu Herbicide effectiveness on marestail depends largely on the stage of ...

The weather for the past couple of weeks has allowed producers to make post-emergence herbicide applications. An issue they may be facing now is the presence of herbicide-resistant weeds. A number of ...

Drive by just about any soybean field in the community and you are likely to see marestail growing high above the canopy. In some fields, the marestail is overwhelming the beans, in others the plant ...