Herbicide Resistant Weeds by Country and Site of Action (click on a column header to sort or click on a country for details)

#	Country	Total	A	B	C1	C2	D	G	K1	O	Other
1	Algeria	2	1	1	0	0	0	0	0	0	0
2	Argentina	32	3	6	0	0	0	18	0	4	1
3	Australia	91	14	27	0	0	11	21	3	4	11
4	Austria	3	0	3	0	0	0	0	0	0	0
5	Belgium	14	2	5	0	0	3	0	1	0	3
6	Bolivia	8	4	2	0	0	0	1	0	0	1
7	Brazil	50	7	20	0	0	1	12	0	4	6
8	Bulgaria	1	0	0	0	0	0	0	1	0	0
9	Canada	56	5	25	0	0	3	8	1	7	7
10	Chile	16	5	10	0	0	0	1	0	0	0
11	China	50	10	23	0	0	5	2	0	6	4
12	Colombia	14	2	4	0	0	1	5	0	1	1
13	Costa Rica	7	1	4	0	0	0	2	0	0	0
14	Cyprus	2	1	1	0	0	0	0	0	0	0
15	Czech Republic	6	0	5	0	0	0	1	0	0	0
16	Denmark	13	4	8	0	0	0	0	1	0	0
17	Ecuador	0	0	0	0	0	0	0	0	0	0
18	Egypt	3	1	1	0	0	1	0	0	0	0
19	El Salvador	0	0	0	0	0	0	0	0	0	0
20	Estonia	1	0	1	0	0	0	0	0	0	0
21	Ethiopia	1	1	0	0	0	0	0	0	0	0
22	Fiji	1	0	0	0	0	1	0	0	0	0
23	Finland	2	0	2	0	0	0	0	0	0	0
24	France	35	7	23	0	0	0	4	0	1	0
25	Germany	17	5	12	0	0	0	0	0	0	0
26	Greece	16	3	7	0	0	0	4	0	1	1
27	Guatemala	0	0	0	0	0	0	0	0	0	0
28	Honduras	0	0	0	0	0	0	0	0	0	0
29	Hungary	3	0	1	0	0	0	1	0	1	0
30	India	5	1	4	0	0	0	0	0	0	0
31	Indonesia	4	0	1	0	0	1	1	0	1	0
32	Iran	13	7	5	0	0	0	0	0	1	0
33	Ireland	8	4	4	0	0	0	0	0	0	0
34	Israel	25	6	15	0	0	0	2	0	0	2
35	Italy	27	8	13	0	0	0	4	0	1	1
36	Japan	35	2	21	0	0	7	3	2	0	0
37	Jordan	3	0	0	0	0	2	0	0	0	1
38	Kazakhstan	1	0	1	0	0	0	0	0	0	0
39	Kenya	1	0	0	0	0	1	0	0	0	0
40	Latvia	2	0	2	0	0	0	0	0	0	0
41	Lithuania	1	0	1	0	0	0	0	0	0	0
42	Malaysia	21	1	6	0	0	7	2	0	4	1
43	Mexico	12	3	2	0	0	0	7	0	0	0
44	Morocco	2	1	1	0	0	0	0	0	0	0
45	Netherlands	2	1	1	0	0	0	0	0	0	0
46	New Zealand	22	3	5	0	0	2	2	0	5	5
47	Nicaragua	1	1	0	0	0	0	0	0	0	0
48	Norway	7	0	7	0	0	0	0	0	0	0
49	Pakistan	3	2	1	0	0	0	0	0	0	0
50	Panama	0	0	0	0	0	0	0	0	0	0
51	Paraguay	9	1	3	0	0	1	4	0	0	0
52	Philippines	1	0	0	0	0	0	0	0	1	0
53	Poland	13	3	8	0	0	0	1	0	1	0
54	Portugal	13	1	5	0	0	0	5	0	1	1
55	Russia	1	0	1	0	0	0	0	0	0	0
56	Saudi Arabia	1	1	0	0	0	0	0	0	0	0
57	Serbia	4	1	3	0	0	0	0	0	0	0
58	Slovenia	0	0	0	0	0	0	0	0	0	0
59	South Africa	17	3	6	0	0	3	5	0	0	0
60	South Korea	17	3	13	0	0	0	1	0	0	0
61	Spain	25	3	10	0	0	0	10	0	1	1
62	Sri Lanka	1	0	0	0	0	1	0	0	0	0
63	Sweden	8	1	6	0	0	0	0	0	1	0
64	Switzerland	8	2	3	0	0	0	3	0	0	0
65	Syria	3	3	0	0	0	0	0	0	0	0
66	Taiwan	1	0	0	0	0	1	0	0	0	0
67	Thailand	4	2	0	0	0	0	0	0	1	1
68	Tunisia	2	1	1	0	0	0	0	0	0	0
69	Turkey	21	6	12	0	0	0	2	0	1	0
70	Ukraine	6	0	5	0	0	0	0	0	0	1
71	United Kingdom	21	4	11	0	0	2	0	1	1	2
72	United States	131	15	56	0	0	6	18	6	11	19
73	Uruguay	7	0	2	0	0	0	4	0	1	0
74	Venezuela	10	2	7	0	0	0	1	0	0	0
75	Viet Nam	2	0	1	0	0	0	0	0	0	1

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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Thursday, January 30, 2025 .  Available  www.weedscience.org
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