Help can’t arrive fast enough for corn and soybean farmers who routinely battle Palmer amaranth (pigweed) or waterhemp, especially those with resistance to currently available herbicide ...

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 ...

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 ...

Planning crop sequences is the second. "Map out each crop you plan to crop and what your herbicide options are." Third, "If you have to, bury the (waterhemp) seed" by plowing it deep into the soil.

Responses of a Waterhemp (Amaranthus tuberculatus) Population Resistant to HPPD-Inhibiting Herbicides to Foliar-Applied Herbicides. Weed Technology , 2016; 30 (1): 106 DOI: 10.1614/WT-D-15-00098.1 ...

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 ...

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… ...

URBANA, Ill. - Waterhemp is one of the most widespread and troublesome broadleaf weed species with which Illinois farmers must contend. Factors related to the species' biology, such as prolonged ...

Populations of the broadleaf weed waterhemp have been found to be resistant to the class of herbicides known as HPPD-inhibitors. A University of Illinois study shows waterhemp resistant to HPPD ...

All samples of the resistant waterhemp biotype tested positive for a G210 mutation in the PPX2L gene. The population exhibited a four- to six-fold resistance to PPO-inhibiting herbicides, ...

Cereal rye as a cover crop may reduce waterhemp populations without yield loss in soybean. University of Missouri Extension weed specialist Mandy Bish and a team of researchers studied how ...

Waterhemp has done it again. University of Illinois researchers just published an article in Pest Management Science confirming that waterhemp is the first weed to evolve resistance to HPPD ...