Field studies were conducted at two locations near Manhattan, KS, in 1994 and 1995 to determine the influence of density (0.5, 1, 2, 4, and 12 plants m⁻¹ row) and time of emergence on redroot pigweed ...

Both the mesophyll and bundle-sheath cells associated with the minor veins in the leaf of Amaranthus retroflexus L. contain abundant tubular endoplasmic reticulum, which is continuous between the two ...

New chromosome-level genomes have been published for three troublesome Amaranthus weed species: Palmer amaranth and redroot and smooth pigweed. The advancement represents a major leap in scientists’ ...

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This plant sprouted next to my pandan and grew to this size within weeks. It has a spiky shoot at the core. What is it? It is an Amaranthus species. The most commonly encountered are the varieties of ...

Weeds like Palmer amaranth make farming harder and less profitable, and available herbicides are becoming less effective. For scientists to find solutions, they first need to know their enemy. A study ...