INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
There are currently
519 unique cases (species x site of action) of herbicide resistant weeds globally, with
263 species (152 dicots and 111 monocots). Weeds have evolved resistance to
23 of the 26 known herbicide sites of action and to 167 different herbicides. Herbicide resistant weeds have been reported in
94 crops in 71 countries. The website has 3010 registered users and 639 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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