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 Argentina273500015040
2 Australia9613268011203411
3 Austria5022100000
4 Belgium23258130103
5 Bolivia8420001001
6 Brazil507204119035
7 Bulgaria4002100100
8 Canada6842513336167
9 Chile165100001000
10 China458171252055
11 Colombia13230114011
12 Costa Rica8140102000
13 Cyprus2110000000
14 Czech Republic180313101000
15 Denmark13480000100
16 Ecuador1000100000
17 Egypt3110010000
18 El Salvador1000100000
19 Ethiopia1100000000
20 Fiji1000010000
21 Finland2020000000
22 France5662222103011
23 Germany3351113300001
24 Greece17352104011
25 Guatemala1000100000
26 Honduras1000100000
27 Hungary3010001010
28 India4120100000
29 Indonesia3000011010
30 Iran14751000010
31 Ireland2110000000
32 Israel3861412202002
33 Italy308114203011
34 Japan362211073200
35 Jordan1000010000
36 Kazakhstan1010000000
37 Kenya1000010000
38 Latvia2020000000
39 Lithuania1010000000
40 Malaysia22160172041
41 Mexico11320006000
42 Netherlands8115100000
43 New Zealand23333022055
44 Nicaragua1100000000
45 Norway11073100000
46 Pakistan1100000000
47 Panama1000100000
48 Paraguay6020013000
49 Philippines3000100011
50 Poland22388101010
51 Portugal5011003000
52 Russia1010000000
53 Saudi Arabia1100000000
54 Serbia3120000000
55 Slovenia1001000000
56 South Africa14351023000
57 South Korea173130001000
58 Spain4121018306011
59 Sri Lanka2000110000
60 Sweden11161100011
61 Switzerland150011301000
62 Syria3300000000
63 Taiwan1000010000
64 Thailand5200100011
65 Tunisia1100000000
66 Turkey186100001010
67 Ukraine1010000000
68 United Kingdom29488220113
69 United States1651553261161761021
70 Uruguay2010000010
71 Venezuela13270301000
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Saturday, October 24, 2020 .  Available  www.weedscience.org
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