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Leaf-Waste Pellets as a Herbicide Carrier for Container-Grown Ornamental Plants

Published online by Cambridge University Press:  20 January 2017

Jayesh B. Samtani ,
Gary J. Kling  and
David J. Williams
Jayesh B. Samtani*
Affiliation:
University of Illinois, Department of Natural Resources and Environmental Sciences, 1201 S. Dorner Drive, Urbana, IL 61801
Gary J. Kling
Affiliation:
University of Illinois, Department of Natural Resources and Environmental Sciences, 1201 S. Dorner Drive, Urbana, IL 61801
David J. Williams
Affiliation:
University of Illinois, Department of Natural Resources and Environmental Sciences, 1201 S. Dorner Drive, Urbana, IL 61801
*
Corresponding author's E-mail: jsamtani@uiuc.edu.
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Abstract

An organic herbicide carrier could help reduce misapplication and environmental pollution associated with spray application of herbicides. Pellets prepared from landscape leaves that were dried, ground, and pelletized were evaluated as a preemergence herbicide carrier for container-grown ornamental plants. Isoxaben, pendimethalin, and prodiamine at rates of 1.12, 2.25, and 2.25 kg ai/ha, respectively, with either water or landscape leaf-waste pellets as a carrier were applied to chrysanthemum ‘Lisa’, spirea ‘Neon Flash’, and wintercreeper ‘Coloratus’. Common groundsel, common purslane, and giant foxtail were seeded following herbicide application. Leaf-waste pellets as a carrier produced equivalent efficacy and phytotoxicity ratings to conventional spray application of pendimethalin and prodiamine on both chrysanthemum and wintercreeper. The leaf-waste pellets were not an effective carrier for the application of isoxaben alone. The pellets had inconsistent effects on spirea phytotoxicity and growth.

Keywords

Isoxaben, pendimethalin, prodiamine, common groundsel, Senecio vulgaris L. #3 SENVU, common purslane, Portulaca oleracea L. # POROL, giant foxtail, Setaria faberi Herrm. # SETFA, chrysanthemum, Dendranthema × grandiflorum (Ramat.) Kitam. ‘Lisa’, spirea, Spiraea japonica L.f. ‘Neon Flash’, wintercreeper, Euonymus fortunei (Turcz.) Hand.-Mazz. ‘Coloratus’DAT, days after treatment
Type
Research
Information
Weed Technology , Volume 20 , Issue 4 , December 2006 , pp. 942 - 949
Copyright
Copyright © Weed Science Society of America 

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