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Fertilizer placement effects on eclipta (Eclipta prostrata) growth and competition with container-grown ornamentals

Published online by Cambridge University Press:  04 June 2020

Yuvraj Khamare ,
S. Christopher Marble Open the ORCID record for S. Christopher Marble [Opens in a new window]  and
Annette Chandler
Yuvraj Khamare
Affiliation:
Graduate Research Assistant, University of Florida/IFAS, Mid-Florida Research and Education Center, Apopka, FL, USA
S. Christopher Marble*
Affiliation:
Assistant Professor, University of Florida/IFAS, Mid-Florida Research and Education Center, Apopka, FL, USA
Annette Chandler
Affiliation:
Biological Scientist III, University of Florida/IFAS, Mid-Florida Research and Education Center, Apopka, FL, USA
*
Author for correspondence: S. Christopher Marble, Mid-Florida Research and Education Center, University of Florida, 2725 South Binion Road, Apopka, FL32703. (Email: marblesc@ufl.edu)
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Abstract

The objective of this study was to determine the effect of fertilizer placement on the growth of eclipta [Eclipta prostrata (L.) L.] and evaluate its interference with container-grown ornamental plants, including Japanese boxwood (Buxus microphylla Siebold & Zucc.) and ligustrum (Ligustrum lucidum W.T. Aiton). Results indicated that subdressing reduced E. prostrata shoot weight by 28%, 42%, and 46% at depths of 2.5, 5.0, and 7.5 cm, respectively, in comparison with a topdressed fertilizer treatment (a standard industry practice). Presence of E. prostrata reduced the growth of both ornamental species. Ligustrum shoot weight decreased as subdressing depth increased, while boxwood growth was most notably reduced at the 7.5-cm depth in comparison with topdressed containers. Overall, results indicated that subdressing may be an effective weed management strategy, but subdressing depth needs to be based on initial liner size to prevent possibly delays in production time.

Keywords

Boxwoodligustrumnurserysubdressing
Type
Research Article
Information
Weed Science , Volume 68 , Issue 5 , September 2020 , pp. 496 - 502
Copyright
© Weed Science Society of America, 2020

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Footnotes

Associate Editor: Ramon G. Leon, North Carolina State University

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