International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
Herbicide-Resistant Weeds by Site of Action

This table lists the number of species resistant to each site of action. Please note that many species have evolved resistance to more than one site of action, so the grand total represents unique cases of resistance, not the number of species.
(click on a column header to sort, hover mouse over links for more information or click on a links for details)
#Herbicide GroupHRAC GroupExample HerbicideDicotsMonocotsTotal
    242229471
1 B 9762159
2 C1 502373
3 A 04848
4 G 181735
5 O 24832
6 D 22931
7 C2 101828
8 K1 21012
9 E 9110
10 N 01010
11 K3 055
12 C3 314
13 F1 314
14 F3 134
15 L 033
16 Z 033
17 F2 202
18 F4 022
19 H 022
20 K2 011
21 Z 011
22 Z 011
23 Z 101
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Tuesday, September 27, 2016 .  Available  www.weedscience.org
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