INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
There are currently
518 unique cases (species x site of action) of herbicide resistant weeds globally, with
267 species (154 dicots and 113 monocots). Weeds have evolved resistance to
21 of the 31 known herbicide sites of action and to 165 different herbicides. Herbicide resistant weeds have been reported in
97 crops in 72 countries. The website has 3191 registered users and 670 weed scientists have contributed new cases of herbicide resistant weeds. View
Recent Additions,
Site of Action Summary, or the
Herbicide Classification System.
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PERMISSION MUST BE OBTAINED FIRST if you intend to base a significant portion of a scientific paper on data derived from this site. Citation:
Heap, I. The International Herbicide-Resistant Weed Database. Online.
. Available
www.weedscience.org
Copyright © 1993-
WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.
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