Weed Control in Propagation: Sanitation, Mulches, and Pre-emergence Herbicides

Weed infestations can begin in propagation then persist through the production cycle. Sanitation practices prevent the spread of weeds into propagation areas, while mulches and pre-emergence herbicides are used to suppress weed seed germination and growth during propagation. Explore best management practices for preventing weed infestations in greenhouse and nursery propagation systems. In this session, growers will learn about mulch products and pre-emergence herbicides that can be safely used in cutting and seedling propagation to reduce labor costs associated with hand weeding.
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Wednesday, March 4, 2026

1:00 PM-2:00 PM ET

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Our Speaker

Dr. Anthony Witcher

Associate Professor at the Tennessee State University

Dr. Anthony Witcher is an Associate Professor at the Tennessee State University Otis L. Floyd Nursery Research Center in McMinnville, TN. With a background in horticulture, Dr. Witcher is dedicated to developing sustainable practices for ornamental crop production. The focus of his research is to address major issues in nursery crop production with an emphasis on weed management, cover crops, and alternative soil/substrate amendments. Current projects include alternative weed control methods for nursery crop propagation and production, cover crop establishment and management in field-grown nursery crops, alternative soil and substrate amendments for improved crop quality and reduced pesticide use, and screening herbicides for crop safety and weed efficacy.

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