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Propanil-resistant barnyardgrass (Echinochloa crus-galli) biotypes found in Greece


, : Propanil-resistant barnyardgrass (Echinochloa crus-galli) biotypes found in Greece. Weed Technology 14(3): 524-529

Greenhouse experiments were conducted during 1997 and 1998 to evaluate the level of propanil resistance in three barnyardgrass biotypes collected from rice fields where propanil had been used for around 25 years. Suspected resistant biotypes were not controlled by propanil at 2.6, 5.2, 10.4, and 20.8 kg a.i./ha, with the highest rate five times greater than the recommended rate. Control was reduced even more when propanil application was delayed until the three- to five-leaf stage.


Accession: 003536362

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Related references

Lovelace, M.L.; Talbert, R.E.; Hoagland, R.E.; Scherder, E.F., 2007: Quinclorac absorption and translocation characteristics in quinclorac- and propanil-resistant and -susceptible barnyardgrass (Echinochloa crus-galli) biotypes. Studies were initiated to evaluate absorption, translocation, and distribution of C-14-quinclorac in propanil- and quinclorac-resistant (R-BYG) and -susceptible (S-BYG) barnyardgrass. No differential absorption of C-14-quinclorac was 14 9 observed...

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