International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Weeds Resistant to Unknown (Z/27)
by species and country
Weeds Resistant to Unknown (Z/27)
by species and country
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Weeds Resistant to Unknown (Z/27)
by species and country
#SpeciesCountryFirst Year
1 Nassella neesiana
Chilean or Uruguayan Needlegrass
1992 - New Zealand
1992169Nassella neesianaChilean or Uruguayan NeedlegrassZ2927Unknown
2 Nassella trichotoma
Serrated Tussock
2002 - Australia (Victoria)
2002221Nassella trichotomaSerrated TussockZ2927Unknown
3 Poa annua
Annual Bluegrass
2009 - Australia (Victoria)
2017 - Australia (New South Wales )
2017 - Australia (New South Wales ) *Multiple - 5 SOA's
2017 - Australia (South Australia)
2009130Poa annuaAnnual BluegrassZ2927Unknown
4 Sporobolus fertilis
Giant Parramatta grass
2004 - Australia (New South Wales )
2004325Sporobolus fertilisGiant Parramatta grassZ2927Unknown
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Saturday, July 20, 2024 .  Available  www.weedscience.org
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