INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
©2020 WeedScience.org, Dr. Ian Heap 05/26/2020PLEASE NOTEThe graph does not necessarily plot multiple resistance in the same individual plant. Resistance to different SOA's may be found in separate populations, even in separate countries, this chart presents the cumulative number of SOA's recorded globally for a species.
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Heap, I. The International Herbicide-Resistant Weed Database. Online.
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