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Noxious Weed and Pest Management
Upper Grand Valley Pest Control District  

The Upper Grand Valley Pest Control District was formed in 1965 under Colorado Revised Statutes Title 35, Article 5, “Pest Control Districts”. Since it was established, the District has been renewed repeatedly with support from commercial fruit growers.

The purpose of the District is to protect commercial growers from insect, disease, and weed infestations as per C.R.S. Title 35, Article 4, the “Pest Control Act”. Enforcement is accomplished through the Mesa County Horticulture Pest & Weed Inspector. The Inspector enforces the law, responds to complaints, makes sure that neglected or unsprayed fruit trees are cared for or removed, inspects nursery stock, educates the public, and identifies and manages weed infestations. An Advisory Board made up of area growers assists the Inspector and directs the operation of the District.


Colorado State University and Utah State University have put together a guide with more information on fruit tree production. Please download the UT-CO Fruit Tree Guide in pdf format

UT CO Guide
Spotted Wing Drosophila in Colorado! Spotted Wing Drosophila, a newly arrived exotic pest of small fruits, stone fruits, melons, tomatoes and other soft fleshed fruits has been found on the front range near Ft. Collins. SWD was first found in the US in 2008 and has since spread to many states and northward into Canada. It has not been detected in western Colorado. The 2012 report has details on SWD trapping in Palisade. For more information, click for the UT fact sheet, MI fact sheet, or fact sheet.
Photo by Ed Snow

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