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Funded Project

Funding Program: Integrated Pest Management Competitive Grants Program

Project Title: Establishing Insect Pest Management Needs and Priorities for Hemp Grown in the High Plains/Rocky Mountain Region

Project Director (PD): Whitney Cranshaw [1]

Lead State: CO Lead Organization: Colorado State University

Undesignated Funding: $28,749

Start Date: Mar-01-2017 End Date: Mar-01-2018

Pests Involved: All arthropods associated with crop

Site/Commodity: Hemp

Area of Emphasis: Identify and address insect pest management needs

Summary: Hemp (Cannabis sativa) is a crop that when grown within the United States has had a long, but uniquely peculiar, history. Historically grown for fiber, in the 65-70 year period when hemp was last grown in the United States, a great many things have changed that affect its production as a crop today. These include an expansion of marketable products (e.g., oil seed, pharmaceutical compounds) and a shift in production areas, which were formerly concentrated in the MidWest. The arthropod pests that will be associated with production of hemp in this new era are essentially undescribed, as are the associated pest management needs. This Project Initiation Grant proposal seeks to describe the insects associated with the crop and define the insect pest management needs associated with growing hemp in the western region. Although survey aspects of this original project will largely involve hemp producers of one area within the western region of the US (Colorado), outreach materials developed should have broad application throughout the region. A web site illustrating and describing all insects found associated with the crop in 2015-2016 pilot studies will be the initial product. This will continue to develop and expand throughout the project based on dedicated field surveys supplemented with submitted insect samples and photographs that hemp producers throughout the region will be encouraged to submit. At project completion, a downloadable guide to insects associated with hemp will be produced that can serve as a prototype for other western region states. Through these descriptions of the arthropods associated with the crop, producers will be able to much better recognize and understand the roles and risks that are associated with insects and mites they encounter while growing hemp. Identification of the pests that pose significant risks to crop production can also help guide regulatory decisions affecting the crop (e.g., pesticide registrations) and can identify the research needs that will lead to optimal IPM practices. Objectives: Work with producers to identify all arthropods (insects, mites, etc.) associated with production of hemp. Particular emphasis will be to identify species that are potentially limiting to future production of hemp. Create a descriptive guide and web site dedicated to insects/mites associated with hemp that will provide producers: a) illustration of all commonly encountered species on the crop; b) description of the life history and habits of these insects; and c) assessment of their potential to cause harm to this crop. Identify IPM (integrated pest management) needs for insects/mites in hemp and promote their practice within outreach materials developed in this project.

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