Palmer amaranth's arsenal: Rearrangement of eccDNA provides dual herbicide resistance in <i>Amaranthus palmeri</i>

Pigweed" is a simple word that can strike fear in the heart of many farmers.Amaranthus palmeri, also known as Palmer amaranth, is one of the most difficult pigweeds to control, thriving in cotton, corn, and soybean fields, and outcompeting the crops for nutrients, water, and sunlight.This monster-sized weedIn their new work, Carvalho-Moore and colleagues (Carvalho-Moore et al. 2025) used PacBio HiFi