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Characterization of Acifluorfen Tolerance in Selected Somaclones of Eastern Black Nightshade (Solanum ptycanthum)
Published online by Cambridge University Press: 12 June 2017
Abstract
Acifluorfen tolerance in eastern black nightshade somaclones was characterized in two experiments. One experiment determined the involvement of absorption, translocation, and metabolism in acifluorfen tolerance. Less than 6% of the applied 14C-acifluorfen was absorbed. There were no differences in acifluorfen absorption between susceptible and tolerant somaclones. More 14C-acifluorfen was translocated in the susceptible than the tolerant somaclones. The susceptible somaclone did not metabolize acifluorfen while some somaclones (i.e., EBN-3A) metabolized 14C-acifluorfen. A second experiment determined the tolerance of the somaclones to oxyfluorfen, diquat, and paraquat Most acifluorfen-tolerant somaclones were tolerant to oxyfluorfen but were susceptible to diquat and paraquat One somaclone, EBN-3A, was extremely tolerant to acifluorfen, paraquat, and diquat.
Keywords
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- Physiology, Chemistry, and Biochemistry
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- Copyright © 1992 by the Weed Science Society of America
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