1998 Report
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cover.jpgHorticultural
Weed
Control

1998 Report

Department of Horticulture
Oregon State University
Corvallis, OR 97331-7304


Compiled by:

 R. Edward Peachey, Sr. Research Assistant,
Horticultural Weed Science
Phone: 541-737-3152 
peacheye@hort.oregonstate.edu

Ray D. William, Extension Horticultural Weed Specialist
Phone: 541-737-5441
williamr@hort.oregonstate.edu

Lee Ann Julson
Extension Secretary


Not intended nor authorized for publication

Data contained in this report are compiled annually as an aide to complete minor crop registrations for horticultural crops and to communicate our results to colleagues and funding sources. Data are neither intended nor authorized for publication. Information and interpretation cannot be construed as recommendations for application of any herbicide or weed control practice mentioned in this report.

Contributors

Marvin Butler Crops Extension Agent, Madras, OR
Liz Harrison Horticulture, OSU
Carol Mallory-Smith Assistant Professor of Weed Science, Crop and Soil Science Dept., OSU
Jerry Maul Hort. Extension Agent, Roseburg, OR
Bob McReynolds Dist. Ext. Agent, NWREC, Aurora, OR
Andy Moldenke Associate Professor, Department of Entomology, OSU 
R. Edward Peachey Senior Research Assistant, Horticultural Weed Management, OSU
Mary Powelson Botany and Plant Pathology, OSU 
Ray D. William Extension Horticultural Weed Specialist, OSU



Special thanks to 1998 cooperators and facilitators

Agripac, Inc.
Autumn Seed Co. Albany
Jim Belden, Stayton farmer
Gary Cook, Jefferson farmer
Mike Christianson, Lebanon farmer
Aaron Dick, Research Assistant
Randy Doan, Research Assistant
Jim Gill, Norpac
Martin Histand, Research Assistant
Randy Hopson, OSU Vegetable Res. Farm Manager
Cliff Horning, Monroe
Gary Horning, Deerhaven farms, Monroe
Peter Kenagy, Kenagy Family Farms, Albany
Norpac Foods, Stayton
Alan Reitz, Agripac
Duane Smith, Agripac

Support for this Research Provided by:

BASF
Bayer Corporation
Cenex Supply and Marketing, Tangent, OR
Novartis
Oregon Processed Vegetable Commission
Valent
Western Region IPM Project, USDA
Willamette Seed, Jefferson

Cover drawing: Redstem filaree (Erodium cicutarium). Annual, germinating in autumn and flowering from spring until autumn. Leaves pinnately compound compared to Crane's bill (Geranium spp) which have palmately lobed leaves. Difficult to kill with glyphosate in spring. Ref: E. Haflinger and J. Brun-Hool 1974. Weed Tables, Ciba-Geigy Limited, Basle.

The Report

Information and Evaluation

Abbreviations

Herbicides Tested

Rainfall and Evaporation loss

Weather Data

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