1999 Report

weed.gifHorticulture
Weed
Control

1999 Report

Department of Horticulture
Oregon State University
Corvallis, OR 97331

 



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

Beth Hoinacki Ph.D. candidate, Botany and Plant Pathology, OSU
Joe DeFrancisco Senior Research Assistant, Entomology, OSU
Diane Kaufman NWREC, Aurora, OR
Gina Koskela Research Assistant, NWREC, Aurora, OR
Robin Ludy Research Assistant, Botany & Plant Pathology Dept., OSU
Carol Mallory-Smith  Associate Professor of Weed Science, Crop and Soil Science Dept., OSU
Dan McGrath Marion County Extension, Salem, OR
Bob McReynolds Dist. Ext. Agent, NWREC, Aurora, OR
Andy Moldenke Associate Professor, Department of Entomology, OSU
James R. Myers Baggett-Frazier Professor of Vegetable Breeding and Genetics, Horticulture Dept., OSU
Mary Powelson Botany and Plant Pathology, OSU
Ray D. William Extension Horticultural Weed Specialist, OSU



Special thanks to 1999 cooperators and facilitators

 Howard and Greg Ropp, Autumn Seed Co. Albany
Rod Chambers, Albany grower
Gary Cook, Jefferson grower
Mike Christensen, Lebanon grower
Jim Gill, Norpac
Skip Gray, Albany grower
Martin Histand, Field Assistant
Randy Hopson, OSU Vegetable Res. Farm Manager
Cliff Horning, Monroe
Gary Horning, Deerhaven farms, Monroe
Peter Kenagy, Albany grower
Norpac Foods, Stayton
Carol Sate, Agripac
Duane Smith, AgriFrozen Foods 


 Support for this Research Provided by:

BASF
Dupont
Novartis
Oregon Processed Vegetable Commission
Valent
Western Region IPM Project, USDA


Cover: Ladysthumb (Polygonum persicaria L.) E. Haflinger and J. Brun-Hool. 1968. Weed tables, Ciba-Geigy Limited Basle.

The Report

Information and Evaluation

Abbreviations

Herbicides Tested

Rainfall and Evaporation loss

Weather Data


Vegetables

Strawberries

Evaluation of New Herbicides for Use in Strawberries

Herbicide Efficiacy

Goal Application Timing and Efficacy