PPO-Resistance in US<BR>40 reported cases worldwide <BR>26 reported cases in US <BR> <BR>first identified in US in 2002 <BR>tall waterhemp (Illinois) <BR> <BR>6 weed species (US) <BR>tall waterhemp, Palmer amaranth, redroot pigweed, common ragweed, goosegrass, annual bluegrass <BR> <BR>1 recently confirmed case in GA<BR>Source: Heap, I. The International Herbicide-Resistant Weed Database. Online. Monday. October 17, 2022 . Available www.weedscience.org Copyright © 1993- 2022 WeedScience.org All rights reserved. <BR>