We comply with the Federal Trade Commission 1998 Children’s Online Privacy Protection Act (COPPA).As a designer it's natural to make logos for high-density displays. The 4-H Name and Emblem have special protections from Congress, protected by code 18 USC 707. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned. This information is for educational purposes only. Quentin Tyler, Director, MSU Extension, East Lansing, MI 48824. Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Michigan State University Extension programs and materials are open to all without regard to race, color, national origin, gender, gender identity, religion, age, height, weight, disability, political beliefs, sexual orientation, marital status, family status or veteran status. MSU is an affirmative-action, equal-opportunity employer, committed to achieving excellence through a diverse workforce and inclusive culture that encourages all people to reach their full potential. Currently, in 2013, they are exploring alternatives to fumigation for seedling and liner growers, and pre- and post- emergence herbicides for labeling on extremely difficult weeds in nursery fields.įor more details on Mathers’ herbicide research, please download a copy of her Yearly Research Summary Report 2012 Ornamentals Research, available for download at. Mathers and Case, as a result of these Specialty Crop Block Grants, have submitted two invention disclosures in 2012 for bio-herbicides with commercial potential in nurseries and landscapes to meet the growing demand for clients that want organic or alternative pest control opinions. Baking soda is not currently labeled for use on liverwort. In addition, via grower input, baking soda applied as a dusting (2.24 grams per square foot) has been proven to effectively control even advanced infestations. Mathers and Case have shown that SureGuard herbicide at lower rates (3 ounces per acre) on dormant plants will control liverwort and not have any phytotoxicity when used on labeled plants. If uncontrolled, liverwort will lead to reduced plant quality, loss of plant vigor and unmarketable plants at the consumer level. Liverwort infestations are a common weed problem in nurseries and greenhouses. Mathers’ research, assisted by OSU research associate Luke Case, has also examined liverwort ( Marchantia polymorpha L.) controls. As a result of these efforts, container and field growers in the state now have the four added tools mentioned above and Tower plus Pendulum combinations to rotate with SureGuard and Gallery + Barricade in field weed control programs. In addition, several herbicides that are still experimental and are part of the USDA IR-4 program for potential ornamental registration have also been examined. The research has also supported the label expansion for the 2009 registered FreeHand and Tower products by BASF. Mathers’ research has assisted with the registration of two new herbicides that Michigan growers can now use in their weed control programs: Biathlon and Marengo. Michigan State University Extension also played a role in disseminating the research results by hosting two, in-depth weed control workshops, three plot tours and several other weed control discussions in the past three years. Michigan growers were the beneficiary of research efforts that were undertaken since 2009 by Hannah Mathers from Ohio State University and with the Michigan Nursery and Landscape Association’s procurement of three Specialty Crop Block Grants that served as the funding source. Weed control is a key production issue when growing nursery plants either in containers or in field production systems.
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