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- Haller, William T., et al. Show all 3 Authors
- Weed science 2006 v.54 no.4 pp. 615-619
- weed control; aquatic weeds; diquat; cross resistance; electron transfer; herbicide-resistant weeds; resistance mechanisms; paraquat; Araceae; herbicide resistance; photosynthesis; pesticide formulations; Florida
- ... Landoltia was collected and cultured from a canal in Lake County, Florida, where diquat was used repeatedly during the past 20––30 yr for duckweed control. Recent applications of diquat failed to provide adequate control of duckweed, and a new commercial formulation of diquat was suspected. The new formulation was not the cause of reduced efficacy. Static exposures (48 h) to various concentrations ...