Like most growers, Sam Sparks has dealt with high input costs and herbicide shortages when weed control is critical to his row crop operation. That’s why he’s not afraid to trust artificial ...

Majority of the weed images were collected when they were at the growth stage of two to nine leaves (BBCH 12–19). Pictures of pigweed at seedling stage, three-leaves stage, four-leaves stage, and ...

Considering the challenges of herbicide-resistant weed species, specifically glyphosate-resistant Palmer amaranth, and consistent public pressure to reduce herbicide utilization, there is an urgent ...