Prickly lettuce (Lactuca serriola L.) is a common weed in wheat production systems throughout the Inland Pacific Northwest (PNW). It is an annual, winter annual, or occasionally a biennial, that reproduces only by seed. Individual plants can produce from 35 to 2,300 flowers and 700 to 46,000 seeds. Sanitation (the prevention of weed seed production and dispersal) is an important aspect of prickly lettuce management, as is growing a healthy, competitive wheat crop. Herbicides can provide effective control of prickly lettuce in wheat, but many biotypes are now resistant to ALS inhibitor and synthetic auxin herbicides. An integrated management approach is required for the sustainable, longterm control of this troublesome species.
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Title
Integrated management of prickly lettuce in wheat production systems
Creators
Drew J. Lyon (Author)
Ian C. Burke (Author)
Academic Unit
Publications, WSU Extension
Series
PNW (Series); 688
Publisher
Washington State University Extension; Pullman, Washington
Identifiers
99900502135501842
Copyright
In copyright ; openAccess ; http://rightsstatements.org/vocab/InC/1.0/ ; http://purl.org/eprint/accessRights/OpenAccess