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Kochia is a highly invasive weed known to be resistant to multiple herbicides. In the Great Plains region, kochia populations have now evolved resistance to dicamba. more »

The broadleaf weed kochia is a real and growing threat to major cropping systems and soil conservation practices across the Great Plains. Some kochia populations are now resistant to as many as four herbicide sites of action, making it imperative that we understand more about the weed and how to manage it. more »

When battling invasive weeds, it’s easy to conclude that treating the largest masses first is the best strategy. But scientists writing in the journal Invasive Plant Science and Management say that isn’t always best. more »

Spring-applied herbicides are no match for henbit, a winter annual weed found in more than 50 crops – including corn, cotton and soybean. But researchers say a simple change in application timing can make all the difference. more »

Which environmental factors are most important to the establishment of new plants of invasive species? Is it seed dispersal from existing plants? Canopy disturbance? Disturbance to the soil or leaf litter? more »

Organic  growers can face tough challenges when it comes to weed control.  But new research published in the journal Weed Science shows weather conditions and well-timed cultural management techniques can make a big difference. more »

With the introduction of crops engineered for resistance to the auxin herbicides, concern has soared about unintentional injury to auxin-sensitive crops through off-target spray drift, volatility more »

A study featured in the journal Weed Science is certain to keep many corn and soybean growers up at night. Researchers have identified a waterhemp population in Missouri that is resistant to a record-breaking more »

Australian farmers have long considered harvest-time weed seed control their “last chance” opportunity to battle herbicide-resistant weeds that survive in-crop treatments. The only downside is that commonly used more »

Chinese privet is a common fixture in the southeastern United States – typically found growing in dense thickets along roadsides, on rights of way and in forests. One common control strategy is to cut away the shrub’s thick foliage and more »