Herbicide Resistant Weeds

HERBICIDE RESISTANT SMOOTH PIGWEED GLOBALLY Amaranthus hybridus
#	Country Click for details	Year	Sites	Acres	Mode of Action
1.	Canada (Ontario)	2004	1	11-50	Nitriles and others (C3/6)
2.	France	1980	unknown	unknown	Photosystem II inhibitors (C1/5)
3.	Israel	1986	6-10	51-100	Photosystem II inhibitors (C1/5)
4.	Italy	1980	unknown	unknown	Photosystem II inhibitors (C1/5)
5.	South Africa	1993	1	51-100	Photosystem II inhibitors (C1/5)
6.	Spain	1985	6-10	unknown	Photosystem II inhibitors (C1/5)
7.	Switzerland	1982	11-50	51-100	Photosystem II inhibitors (C1/5)
8.	USA (Maryland)	1972	501-1000	1001-10000	Photosystem II inhibitors (C1/5)
9.	USA (Virginia)	1976	501-1000	100001-1000000	Photosystem II inhibitors (C1/5)
10.	USA (Delaware)	1977	101-500	1001-10000	Photosystem II inhibitors (C1/5)
11.	USA (North Carolina)	1980	51-100	1001-10000	Photosystem II inhibitors (C1/5)
12.	USA (Pennsylvania)	1980	501-1000	1001-10000	Photosystem II inhibitors (C1/5)
13.	USA (New Jersey)	1980	1	11-50	Photosystem II inhibitors (C1/5)
14.	USA (New York)	1980	101-500	1001-10000	Photosystem II inhibitors (C1/5)
15.	USA (New York)	1980	101-500	1001-10000	Photosystem II inhibitors (C1/5)
16.	USA (Massachusetts)	1983	11-50	101-500	Photosystem II inhibitors (C1/5)
17.	USA (Wisconsin)	1985	501-1000	1001-10000	Photosystem II inhibitors (C1/5)
18.	USA (Kentucky)	1987	101-500	1001-10000	Photosystem II inhibitors (C1/5)
19.	USA (Kentucky)	1992	11-50	501-1000	ALS inhibitors (B/2)
20.	USA (Illinois)	1993	6-10	501-1000	Photosystem II inhibitors (C1/5)
21.	USA (Virginia)	1994	51-100	101-500	ALS inhibitors (B/2)
22.	USA (Delaware)	2000	2-5	51-100	ALS inhibitors (B/2)
23.	USA (Ohio)	2001	2-5	101-500	ALS inhibitors (B/2)
24.	USA (Michigan)	2002	2-5	101-500	ALS inhibitors (B/2)