Waterhemp has dropped a grade in several parts of Manitoba. The invasive species has been downgraded from a Tier 1 to a Tier ...

Aaron Hager is standing in a resistant waterhemp hot zone. The soybean rows surrounding him are a blanket of five-way herbicide resistance: atrazine, ALS inhibitors, PPO inhibitors, HPPD ...

Fighting waterhemp, a weed 'born for the 21st century' Pigweed, a general category that includes the increasingly worrisome waterhemp and Palmer amaranth, requires bold ideas and determination to ...

Conditions look to be optimal for common waterhemp populations in 2010, says Aaron Hager, University of Illinois extension weed specialist. Wet spots and good growing conditions last year left a ...

URBANA, Ill. -- Responding to the first known report of waterhemp showing resistance to 4-hydroxyphenylpyruvate dioxygenase-inhibiting herbicides (HPPD) such as Callisto, Impact, and Laudis, weed ...

The waterhemp population Riechers refers to is from a field in McLean County, Illinois. During the past decade, the field of continuous seed corn has been treated with all three HPPD-inhibitors, ...

Waterhemp has done it again. Researchers have just confirmed that waterhemp is the first weed to evolve resistance to HPPD-inhibiting herbicides. Waterhemp has done it again. University of ...

Pennsylvania has an official list of noxious weeds that pose various threats to native plants and farmers across the state. They are covered by the Controlled Plants and Noxious Weeds Act of 2017.

Ag News Wire Waterhemp, a summer annual weed species in the pigweed family, has been a significant issue for corn and soybean growers in the central and western Corn Belt states for more than a dec… ...

Research appearing in the journal Weed Science shows promise for controlling herbicide-resistant weeds in soybean fields by using a seed impact mill at harvest. When installed on a combine, this ...

• Waterhemp plants too big at the time of the application. • Adjuvants weren’t optimal for the herbicide package and/or the Group 27 herbicide that was applied.