Whether it's Palmer amaranth, waterhemp or redroot pigweed, the best way to keep weeds from taking over farm fields is to know how to identify them, says a weed scientist with the College of Food ...

Known for its long emergence, rapid growth, prolific seed production and ability to develop resistance to herbicides, Palmer amaranth can be a farmer’s worst enemy. Until about a decade ago ...

The genus Amaranthus is a large genus of weedy annuals containing 65 to 75 species, including annual weeds, agricultural ...