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Herbicide Evaluation for Fresh Market Celery

  • Oleg Daugovish (a1), Steven A. Fennimore (a2) and Richard F. Smith (a3)

Abstract

Field studies were conducted near Oxnard, CA and in two locations near Salinas, CA in 2002 and 2003 to evaluate efficacy and safety of six herbicides in celery. s-metolachlor at 0.6 and 0.7 kg ai/ha and flufenacet at 0.5, 0.6, and 0.7 kg ai/ha PRE were safe to celery and controlled 81 to 94% of yellow nutsedge at densities < 20 plants/m2. At yellow nutsedge densities > 20 plants/m2, the most efficacious treatments were 1.1 kg/ha of s-metolachlor or 0.7 kg/ha of flufenacet, which reduced nutsedge densities by 71 or 53%, respectively; however, both resulted in slight injury to celery. All other herbicides generally did not injure celery and none reduced marketable crop yield. Flumioxazin pretransplant (PRE) at 0.1 and 0.2 kg ai/ha controlled broadleaf weeds near 100% at all locations, suggesting that it can be an effective alternative to standard linuron and prometryn, which are applied post-transplant (POST) in celery.

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Corresponding author

Corresponding author's E-mail: odaugovish@ucdavis.edu

References

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Keywords

Herbicide Evaluation for Fresh Market Celery

  • Oleg Daugovish (a1), Steven A. Fennimore (a2) and Richard F. Smith (a3)

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