| There are currently 10 different types (known as 'biotypes') of herbicide resistant weeds in North Carolina. The first herbicide resistant weed reported from North Carolina is Goosegrass (Eleusine indica) with resistance to trifluralin, reported in 1973. Local weed scientists estimate that there are 1,990 sites and more than 627,800 acres infested with herbicide resistant weeds in North Carolina and they infest corn, cotton, golfcourses, soybean, and wheat. The most widespread resistant weed of North Carolina is Palmer Amaranth (Amaranthus palmeri), which infests an estimated 100001-1000000 acres and is found primarily in corn, cotton, and soybean. Palmer Amaranth (Amaranthus palmeri), with resistance to glyphosate is the most recently discovered (2005) new type of resistant weed in North Carolina. |
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This is a resource page to assist you in
managing herbicide-resistant weeds in North Carolina . If you have any questions regarding herbicide-resistant
weeds in North Carolina please contact an
expert in your area. If you have encountered a computer related error on the site then contact
support@weedscience.org. If you are a weed scientist wanting to add or correct information on this page then please contact
research@weedscience.org
or add the
information directly.
Scroll down this page to view tables on
herbicide resistant weeds in North Carolina and its adjacent states as well as a list of articles about
herbicide resistant weeds in your region. Click on the links within
the table to view a case of resistance in more detail.
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Palmer Amaranth (Amaranthus palmeri) is the most widespread resistant weed of North Carolina