giant ragweed

Common Name: giant ragweed
Scientific Name: Ambrosia trifida
Life Cycle: annual
Family: Asteraceae
Chromosome Number: Not Reported
Polidy level: 2X
Genome Size (1C Mbp): 1868
Center of Origin as reported by Mabberley (1998) or Randall (2002): North America
Number of Sites of Action to which species is currently reported as resistance: 2
Sites of action to which herbicide resistance has been reported: EPSP synthase (G/9), ALS inhibitor(B/2)
Images source: Scott McElroy
lastUpdated: 02/11/2018