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Article

Two new PPX2 mutations associated with resistance to PPO-inhibiting herbicides in Amaranthus palmeri.

Pest management science - 1 Aug 2017

Giacomini Darci A, Umphres Alinna M, Nie Haozhen, Mueller Thomas C, Steckel Lawrence E, Young Bryan G, Scott Robert C, Tranel Patrick J

Abstract excerpt

BACKGROUND: Resistance to herbicides that inhibit protoporphyrinogen oxidase (PPO) is a widespread and growing problem for weed managers across the midwestern and midsouthern United States. In Amaranthus spp., this resistance is known to be conferred by a glycine deletion at the 210th amino acid (ΔG210) in PPO2. Preliminary analysis indicated that the ΔG210 mutation did not fully account for observed resistance...

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PMID: 28370968
DOI: 10.1002/ps.4581

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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