Cilantro & Parsley

Pest Management Guidelines


Special Weed Problems

(Reviewed 12/15, updated 12/15)

In this Guideline: More about weeds in Cilantro and Parsley:

SOWTHISTLE, LITTLE MALLOW AND NIGHTSHADE

Sowthistle, little mallow, and nightshade are annual weeds that are difficult to control in cilantro and parsley. Herbicides registered for both crops will not control these weeds very well. Avoid growing cilantro and parsley in fields heavily infested with these weeds.

NUTSEDGE

Nutsedge is a serious weed in spring- and summer-planted crops. Yellow and purple nutsedge are perennial weeds that reproduce from underground tubers, which can survive for several years in the soil. Each tuber contains several buds that are capable of producing plants. Only one bud at a time germinates to form a new plant; however, if that bud is destroyed by cultivation or an herbicide, then a new bud is activated. Control is best achieved by continuous cultivation during a summer fallow period or by rotating to crops where effective herbicides, fumigants and cultural control methods can be used. Nutsedge emergence and therefore competition with cilantro or parsley decreases in coldest months of the winter. Glyphosate and metam sodium provide partial control prior to planting. Linuron provides partial control of yellow nutsedge during the production season.

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Cilantro & Parsley
UC ANR Publication 3476

Weeds
R. F. Smith, UC Cooperative Extension, Monterey County
O. Daugovish, UC Cooperative Extension, Ventura County

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