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Contaminated Seed Mixes and Cover Crops

November 2017



By Bob Hartzler, Ph.D.
Professor
Extension Weed Science
Department of Agronomy
Iowa State University
Phone: 515-294-1164
Email: hartzler@iastate.edu


Watch Presentation (8 min 53 sec)

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Video for Android (14.3 MB) | Video for iPhone (25.2 MB)

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Summary: The risk of agricultural seed introducing new weed problems was thrust into the spotlight in 2016 when planting of native seed mixes resulted in the spread of Palmer amaranth into states where it previously was not a widespread problem. This presentation will help growers, commercial agronomists, and consultants better understand the seed laws intended to prevent agricultural seed from serving as a vector for the spread of weeds. Participants will learn the basics of seed laws, seed testing, and the difficulties in assuring seed supplies are weed-free. Most important, steps that can be taken to reduce risks associated with planting seeds of native mixes and cover crops will be discussed.


Responsibility: United Soybean Board (USB) farmer-leaders develop and maintain partnerships with U.S. land grant universities and U.S. ag-focused research organizations such as the Plant Management Network to increase the transfer of checkoff-funded applied and practical production research information to U.S. soybean farmers. USB neither recommends nor discourages the implementation of any advice contained herein, and is not liable for the use or misuse of the information provided.

All presentations published on The Plant Management Network reflect individual views of the author/presenter(s) and are not an official position of The Plant Management Network or the author/presenter(s)' affiliated institutions, companies, or organizations. No endorsement of products or companies, institutions, or organizations is intended, nor is criticism implied of those not mentioned. Individuals using agricultural products or any products referenced by The Plant Management Network or its partners, sponsors, or advertisers, should ensure that the intended use complies with current regulations and laws, as well as conforms to the product label.





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