You can’t “catch up” with Palmer amaranth and waterhemp. Season-long pigweed control must start at planting with layered ...

Redroot pigweed (Amaranthus retroflexus) is a summer annual found in agricultural fields, home gardens and open spaces. Redroot pigweed is of special importance because of its ability to produce ...

Amaranths are one of the most wide-spread weed species in Delaware and the region, infesting vegetable crops as well as grain crops. Amaranths include redroot pigweed, smooth pigweed, Palmer amaranth, ...

Large crabgrass, redroot pigweed, and hairy galinsoga are three important weed species in bell pepper and other crops in the northeastern United States. Field experiments were conducted in 1998 and ...

FAYETTEVILLE, Ark. — A word of caution to rice growers: the herbicide fluridone has become a valuable tool in fighting Palmer pigweed, but it can cause injury to some rice cultivars, depending on when ...