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How to Manage Pests

UC Pest Management Guidelines

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Little mallow, Malva parviflora, seedling.

Celery

Special Weed Problems

(Reviewed 10/05, updated 6/09)

In this Guideline: More about weeds in celery:

Most celery-growing regions are only confronted with annual broadleaves and grasses, and most of these, except little mallow, are effectively controlled with current weed management tools.

LITTLE MALLOW. Little mallow can be controlled with postemergent applications of linuron and prometryn. However, it is difficult to control if allowed to get too large (five to six leaves). Larger plants will be burned back and not completely controlled.

YELLOW NUTSEDGE. This weed is not a problem during the winter months and can be managed with field selection, crop rotation, or mechanical methods. Linuron provides postemergent burn back of this weed, and S-metolachlor provides preemergent control.

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Celery
UC ANR Publication 3439
Weeds
R. F. Smith, UC Cooperative Extension, Monterey County
Acknowledgment for contributions to Weeds:
C. E. Bell, UC Cooperative Extension, San Diego County
W. E. Bendixen, UC Cooperative Extension, Santa Barbara County
R. J. Mullen, UC Cooperative Extension, San Joaquin County

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