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There are relatively few herbicides registered for use in lettuce. In fact, the principle 3 herbicides used, Kerb, Balan and Prefar, were all first registered almost 50 years ago. Additionally, lettuce is planted starting in the summer when summer annual and perennial weeds are a problem and through the winter when winter annual weeds are a problem. This larger number of potential weed problems combined with the limited number of available herbicides, makes it necessary to try to kill as many weeds as possible prior to planting. Almost any herbicide registered for To contact Barry Tickes go to: btickes@ag.arizona.edu. |
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For questions or comments on any of the topics please contact Marco Pena at the Yuma Agricultural Center. |
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