Weeds

About two years. That’s all the time you have to prove to the Environmental Protection Agency (EPA) you and your neighbors will follow new dicamba formulation label requirements, or the agency could let its approval expire at the end of 2018.

About two years. That’s all the time you have to prove to the Environmental Protection Agency (EPA) you and your neighbors will follow new dicamba formulation label requirements, or the agency could let its approval expire at the end of 2018.

To date, several dozen states have the green light from the Environmental Protection Agency (EPA) for use of the new dicamba formulations, BASF Engenia and Monsanto XtendiMax with VaporGrip Technology. Monsanto has also licensed its product to DuPont, which is marketing it as FeXapan with VaporGrip.

Differentiate fact and fiction as you plan your weed control strategy

Differentiate fact and fiction as you plan your weed control strategy.

Hiding in pollinator mixes, Palmer amaranth makes its move.

You or your neighbors could be unknowingly planting Palmer amaranth anywhere Conservation Reserve Program (CRP) mixes are grown or pollinator mixes are established. Palmer amaranth seed in CRP planting mixes have been identified in Illinois, Indiana, Iowa, Minnesota and Ohio. It could be in CRP mixes in other states, too, just not identified yet.

The Environmental Protection Agency (EPA) recently expanded Dow AgroSciences’ Enlist Duo herbicide geography from 15 to 34 states.

Many grasses and annual weed seeds have a relatively short life, two to five years, but researchers are finding other seeds to be more resilient. The Weed Science Society of America (WSSA) recently released a fact sheet with information about weed seed dormancy.

Waterhemp has quickly established itself as one of the nation’s most devastating weeds. Resistant to six herbicide groups, the weed can steal between 40% and 70% of yields, according to University of Illinois research.