News

Glyphosate-resistant marestail has infested about 2.2 million acres in Nebraska. Marestail is difficult to control due to its emergence pattern. Marestail primarily emerges in the fall though some ...
A native species that has become a major problem in Panhandle and Sandhills rangeland is Marestail or Horseweed, a native annual forb also known as Canadian horseweed and Canada fleabane.
With glyphosate-resistant marestail infesting about 2.2 million acres of crop land in Nebraska, controlling the weed is more important than ever for corn and soybean growers.
Marestail populations immune to glyphosate were first identified in 2002 in the southeast Indiana counties of Jackson, Bartholomew, Clark, Jefferson and Jennings. Recent field inspections by Purdue ...
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.
Marestail has been plaguing farm fields and landscapes for the past 7+ years. It can germinate all year long, survive the winter, and then grow aggressively in the spring.
Marestail is a problematic weed lurking in many fields. The good news? There are several control options, according to Kansas State University Extension specialists Dallas Peterson and Doug Shoup.
WEST LAFAYETTE, Ind. - With the grain harvest progressing on or ahead of schedule in most parts of Indiana, no-till producers should start thinking now about their fall herbicide applications, a ...
Marestail plants can produce up to 200,000 seed that are transported by wind, providing for effective spread of herbicide-resistant populations. The recommendation has been to treat fields in fall to ...
A number of different herbicides can be applied in the fall for marestail control ahead of soybeans, such as 2,4-D, dicamba, Clarity, Sharpen, Canopy EX, Autumn Super, or Valor XLT.
Marestail or horseweed (Erigeron canadensis) is a challenging weed to manage in no-till or minimum-till cropping systems. This weed is classified as a winter annual, but it germinates well into ...
A warmer than usual winter might lead to a higher population of marestail than previous years. Because these conditions favor the weed, it’s important to gain control early before it steals ...