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Effect of Herbicide Application Method on Weed Management and Crop Injury in Transplanted Cantaloupe Production

Published online by Cambridge University Press:  20 January 2017

W. Carroll Johnson III  and
Benjamin G. Mullinix Jr
W. Carroll Johnson III*
Affiliation:
U.S. Department of Agriculture–Agricultural Research Services, Coastal Plain Experiment Station, Tifton, GA 31793
Benjamin G. Mullinix Jr
Affiliation:
U.S. Department of Agriculture–Agricultural Research Services, Coastal Plain Experiment Station, Tifton, GA 31793
*
Corresponding author's E-mail: cjohnson@tifton.usda.gov
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Abstract

Field trials were conducted at the Coastal Plain Experiment Station in Tifton, GA, from 2000 to 2003 to study the effects of herbicide placement on weed control and cantaloupe injury. Herbicides halosulfuron (0.036 kg ai/ha), sulfentrazone (0.14 and 0.28 kg ai/ha), clomazone (0.6 kg ai/ha), and a nontreated control were evaluated. Methods of herbicide application were preplant incorporated (PPI) under the polyethylene mulch before transplanting, posttransplanting over-the-top (POST-OTT), and posttransplanting-directed (POST-DIR) to the shoulders of polyethylene-covered seedbeds. Across all herbicide treatments, PPI and POST-DIR applications were the least injurious, with POST-OTT applications the most injurious. In general, sulfentrazone (0.28 kg ai/ha) was the most injurious herbicide and halosulfuron the least injurious, regardless of herbicide placement. Halosulfuron effectively controlled yellow nutsedge and provided versatility in methods of application, with minimal injury to transplanted cantaloupe.

Keywords

Clomazonehalosulfuronsulfentrazoneyellow nutsedge, Cyperus esculentus L. # CYPEScantaloupe, Cucumis melo L.ClomazonehalosulfuronplasticulturesulfentrazonePOST-DIR, posttransplanting-directedPOST-OTT, posttransplanting over-the-topPPI, preplant incorporated
Type
Research Article
Information
Weed Technology , Volume 19 , Issue 1 , March 2005 , pp. 108 - 112
Copyright
Copyright © Weed Science Society of America 

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