Target-site and metabolic mechanisms confer broad resistance to PPO-inhibiting herbicides in Amaranthus retroflexus - Zhonghua Sun; Wenli Cao; Shen Wang; Long Du; Chang Liu; Dalong Li; Chunjie Li; Yi Feng; Xuelian Liu; Zitong Zhou; Xiaofeng Xu; Wenpeng Sun; et al. (Pesticide Biochemistry and Physiology, 2026)