International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
Herbicide Resistant Weeds by Country and Site of Action
(click on a column header to sort or click on a country for details)
#CountryTotalABC1C2DGK1OOther
1 Argentina193400010020
2 Australia8812268010143411
3 Austria5022100000
4 Belgium22248130103
5 Bolivia8420001001
6 Brazil467194018025
7 Bulgaria4002100100
8 Canada6542512335166
9 Chile165100001000
10 China438151252055
11 Colombia6100103010
12 Costa Rica8140102000
13 Cyprus2110000000
14 Czech Republic180313101000
15 Denmark13480000100
16 Ecuador1000100000
17 Egypt3110010000
18 El Salvador1000100000
19 Ethiopia1100000000
20 Fiji1000010000
21 Finland2020000000
22 France4861622102010
23 Germany3251013300001
24 Greece14352103000
25 Guatemala1000100000
26 Honduras1000100000
27 Hungary2000001010
28 India4120100000
29 Indonesia3000011010
30 Iran14751000010
31 Ireland1010000000
32 Israel3661212202002
33 Italy308114203011
34 Japan362211073200
35 Jordan1000010000
36 Kenya1000010000
37 Latvia2020000000
38 Lithuania1010000000
39 Malaysia21150172041
40 Mexico7320002000
41 Netherlands8115100000
42 New Zealand20123022055
43 Nicaragua1100000000
44 Norway9053100000
45 Pakistan1100000000
46 Panama1000100000
47 Paraguay2010001000
48 Philippines3000100011
49 Poland22388101010
50 Portugal5011003000
51 Russia1010000000
52 Saudi Arabia1100000000
53 Serbia2020000000
54 Slovenia1001000000
55 South Africa14351023000
56 South Korea173130001000
57 Spain382818305011
58 Sri Lanka2000110000
59 Sweden11161100011
60 Switzerland150011301000
61 Syria3300000000
62 Taiwan1000010000
63 Thailand5200100011
64 Tunisia1100000000
65 Turkey176100000010
66 United Kingdom27478220112
67 United States160155226116176819
68 Uruguay2010000010
69 Venezuela13270301000
PERMISSION MUST BE OBTAINED FIRST if you intend to base a significant portion of a scientific paper on data derived from this site.
Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Monday, October 23, 2017 .  Available  www.weedscience.org
Copyright © 1993- 2017 WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.