Marestail is one of the most widespread and troublesome weeds in Iowa croplands. It can grow to a height of 1.5 to 6 feet, produce up to 200,000 seeds, and […]
The following is a brief summary of new products available for weed control in corn and soybean in 2021. None of these are new sites of action herbicides, but are […]
It is important to use a diverse herbicide program with multiple, effective sites of action to reduce overreliance on any single herbicide and slow further development of herbicide resistance in […]
A Texas A&M AgriLife-led study will research how well several new weed management strategies can help reduce weeds and mitigate the increasing occurrence of herbicide resistance.
Waterhemp control is an increasing challenge for soybean producers due to the evolution of multiple herbicide-resistant populations. With dwindling herbicide resources, there is a need to integrate non-chemical strategies into […]
Iowa: Scout Now for Palmer Amaranth Jul 31, 2020
This is the time of year to begin scouting for Palmer amaranth in Iowa crop fields. While Palmer amaranth has been identified in more than half of Iowa’s counties, new identifications […]
Dicamba – What Does the Future Hold? – DTN Jul 16, 2020
Future registrations are uncertain, weed escapes are rising, and some farmers are tired of the drama. What lies ahead for dicamba use in the U.S.?
Iowa: Dicamba 2020 – What Went Wrong? Jul 10, 2020
There is no question that dicamba injury across the Iowa landscape in 2020 is the most extensive it has been since the introduction of dicamba in the 1960s. ISUEO field […]
Iowa Soybeans: Looking For Preemergence Consistency Apr 20, 2020
The battle against waterhemp is complicated mainly because of its extended emergence period (early May until August). Preemergence (PRE) soil residual herbicides serve as a foundation for managing waterhemp, but […]
Preemergence herbicides are the foundation of herbicide-based weed management systems, and effective use of these products is essential to protect crop yields and reduce selection pressure for herbicide resistant weeds.