Tag: weed management

Terminating Cover Crops Effectively for Weed Suppression

Organic corn planted in a cover crop of roller-crimped rye and hairy vetch.

When utilizing cover crops for weed suppression, one important consideration is effective termination before planting the main crop. A major issue with improper termination is that the cover crop can become problematic and compete with the main crop, like other weeds. However, proper planning of the termination timing and method can minimize these issues and maximize the benefits of cover crop use. This 5-page publication discusses herbicide application, roller-crimper termination, tillage, and appropriate growth stages for termination. Written by Pratap Devkota, Michael J. Mulvaney, and David Wright, and published by the UF/IFAS Agronomy Department, February 2021.
https://edis.ifas.ufl.edu/ag449

Weed Management in Soybeans

This image was taken prior to national guidelines of face coverings and social distancing. Jim Marois, left, and David Wright, professors at the University of Florida’s North Florida Research and Education Center in Quincy, check soybean plants for Asian soybean rust - Friday, July 1, 2005. First discovered in the United States in fall 2004, the crop-killing disease was found growing on cultivated soybeans for the first time this week, at early-planted "sentinel plots" in Florida and Alabama. To help protect the nation’s $16 billion soybean crop, UF researchers are monitoring plants around the state for signs of the disease.

Successful weed control is one of the most important practices for economical soybean production in Florida. This 10-page publication discusses weed control methods for soybean growers. Written by J. A. Ferrell, G. E. MacDonald, and P. Devkota, and published by the UF/IFAS Agronomy Department, revised January 2021.
https://edis.ifas.ufl.edu/wg010

Weed Management in Peanuts

Rows of peanuts ready to be harvested. Photo taken 08-22-19.

Successful weed control in peanuts involves use of good management practices in all phases of peanut production. This 11-page document lists herbicide products registered for use in Florida peanut production, their mode of actions group, application rate per acre and per season, and reentry interval. It also discusses the performance of these herbicides on several weeds under Florida conditions. Written by J. A. Ferrell, G. E. MacDonald, and P. Devkota, and published by the UF/IFAS Agronomy Department, revised May 2020.
https://edis.ifas.ufl.edu/wg008

Biology and Management of Praxelis (Praxelis clematidea) in Ornamental Crop Production

Praxelis clematidea growing in open field. Credits: Annette Chandler, UF/IFAS

Praxelis is a newly emerging weed species in Florida, one that Plant Protection and Quarantine (PPQ) is considering adding to the federal noxious weed list. The plant can be easily misidentified and confused with Ageratum houstonianum (bluemink) and Conoclinium coelestinum (blue mistflower) as well as several other species that have similar flower characteristics. This new 5-page article is written for green industry professionals and others to aid in the identification and management of praxelis in and around ornamental plants. Written by Yuvraj Khamare, Chris Marble, Shawn Steed, and Nathan Boyd, and published by the UF/IFAS Environmental Horticulture Department.
https://edis.ifas.ufl.edu/ep585

Stock Plant and Tree Production: Weed Management in Citrus Nurseries

Hairy bittercress

All citrus nursery stock in Florida is raised in enclosed greenhouses. It is not uncommon for weeds to grow in containers, where they compete with citrus seedlings, and on greenhouse floors, where they can harbor pests and diseases. This new 7-page publication of the UF/IFAS Horticultural Sciences Department provides descriptions of a few commonly found weeds in citrus nurseries and good weed management practices. Written by Biwek Gairhe, Ramdas Kanissery, and Brent Sellers, this article is chapter 8c of the forthcoming Citrus Nursery Production Guide.
https://edis.ifas.ufl.edu/hs1344

Biology and Management of Common Chickweed (Stellaria media) in Ornamental Crop Production

Stellaria media leaves

Chickweed is a common cool-season annual weed in Florida landscapes, container nurseries, home gardens, and other agricultural production systems. This new 5-page article is written for green industry professionals and others to aid in the identification and management of chickweed in and around ornamental plants. Written by Yuvraj Khamare, Chris Marble, Nathan Boyd, and Shawn Steed and published by the UF/IFAS Environmental Horticulture Department.
https://edis.ifas.ufl.edu/ep577

Weed Management in Rice

Flooded rice in the Everglades Agricultural Area.

Successful weed control is essential for economical rice production in Florida. This 6-page document discusses field sanitation and tillage, water management, and herbicides. Written by D. C. Odero and M. VanWeelden, and published by the UF/IFAS Agronomy Department, revised August 2018.
http://edis.ifas.ufl.edu/wg001