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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 »

Scientists at Purdue University have just answered an important question that has plagued many corn and soybean growers. Why does mixing glyphosate with other selective herbicides sometimes fail to control glyphosate-resistant giant ragweed plants? more »

Today genetically engineered, glyphosate-resistant crops are often singled out as a major contributor in the evolution of herbicide-resistant weeds. But a new data analysis featured in the journal Weed Science shows it may be time to revisit that common assumption. more »

What if you could predict which nonnative plant species would become invasive weeds and when? Would it change your weed management plan? more »