Keywords
Nursery weeds
How to Cite
Abstract
Typically found in shadehouses and shaded areas of nursery production, thickhead grows aggressively in containers and can outcompete nursery crops for water, nutrients, and light. This erect, sparingly branched, herbaceous annual, grows up to 4 feet tall and germinates over a wide range of pH, salt, and temperature conditions. This four-page fact sheet describes thickhead (Crassocephalum crepidioides) and various methods for its control in ornamental crop production. Written by Allison Bechtloff, Shawn Steed, Chris Marble, and Nathan Boyd and published by the Environmental Horticulture Department.http://edis.ifas.ufl.edu/ep534
References
Chen, Guo Qi, Shio Liang Guo, and Qiu Sheng Huang. 2009. "Invasiveness evaluation of fireweed (Crassocephalum crepidioides) based on its seed germination features." Weed Bio. And Mgmt. 9:123-128. https://doi.org/10.1111/j.1445-6664.2009.00329.x
Mallory-Smith, C.A., and E.J. Retzinger Jr. 2003. "Revised Classification of Herbicides by Site of Action for Weed Resistance Management Strategies." Weed Technology, 17(3):605-619. https://doi.org/10.1614/0890-037X(2003)017[0605:RCOHBS]2.0.CO;2
Nakamura, Ichiro, and Mohammad Amzad Hossain. 2009. "Factors Affecting the Seed Germination and Seedling Emergence of Redflower Ragleaf (Crassocephalum crepidioides)." Weed Bio. And Mgmt. 9:315-322. https://doi.org/10.1111/j.1445-6664.2009.00356.x
Sakpere, A.M.A., O. Adedeji, and A.T. Folashade. 2013. "Flowering, Post-Pollination Development, and Propagation of Ebolo (Crassocephalum crepidioides (Benth.) S. Moore) in Ile-Ife, Nigeria." Journal of Science and Tech. 33:37-49. https://doi.org/10.4314/just.v33i2.4
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