2022 Seed Production Research Report

Contents

• Evaluating New Insecticides to Manage Clover Seed Weevils in White Clover Seed Crops (2022)

• Do Newer Pesticide Chemistries Provide Enough Symphylan Control in Grass Seed Crops? (Year 1)

• Quantifying Vole Damage with Aerial Imagery

• The Effect of Subsurface Drainage in Grass Seed Fields on Soil Carbon Stocks

• Resistance to ACCase Inhibitors in Downy Brome Populations from Fine Fescue Seed Fields

• Indaziflam Herbicide Use in Stand Establishment of Kentucky Bluegrass Grown for Seed (Year 2)

• Impact of Slug Baits on the Survival of Phasmarhabditis Nematodes

• Effect of Chlormequat Chloride Plant Growth Regulator with and without Spring Mowing in Annual Ryegrass Seed Crops

 

Author Index

Central Oregon Agricultural Research Center—OSU

J.F. Spring, Assistant Professor, Integrated Pest Management

• Indaziflam Herbicide Use in Stand Establishment of Kentucky Bluegrass Grown for Seed (Year 2)

Department of Crop and Soil Science—OSU

N.P. Anderson, Associate Professor, Extension Seed Production Specialist

• Evaluating New Insecticides to Manage Clover Seed Weevils in White Clover Seed Crops (2022)
• Do Newer Pesticide Chemistries Provide Enough Symphylan Control in Grass Seed Crops? (Year 1)
• Effect of Chlormequat Chloride Plant Growth Regulator with and without Spring Mowing in Annual Ryegrass Seed Crops

J. Barroso, Associate Professor

• Resistance to ACCase Inhibitors in Downy Brome Populations from Fine Fescue Seed Fields

N. Kaur, Assistant Professor, Extension Entomology Specialist

• Evaluating New Insecticides to Manage Clover Seed Weevils in White Clover Seed Crops (2022)
• Do Newer Pesticide Chemistries Provide Enough Symphylan Control in Grass Seed Crops? (Year 1)

D.J. Maliszewski, Faculty Research Assistant

• Effect of Chlormequat Chloride Plant Growth Regulator with and without Spring Mowing in Annual Ryegrass Seed Crops

C.A. Mallory-Smith, Professor Emeritus

• Resistance to ACCase Inhibitors in Downy Brome Populations from Fine Fescue Seed Fields

R.J. Mc Donnell, Associate Professor, Slug Specialist

• Impact of Slug Baits on the Survival of Phasmarhabditis Nematodes

V.H.V. Ribeiro, Graduate Student

• Resistance to ACCase Inhibitors in Downy Brome Populations from Fine Fescue Seed Fields

C.H. Richart, Research Assistant

• Impact of Slug Baits on the Survival of Phasmarhabditis Nematodes

G. Tiwari, Graduate Student

• Evaluating New Insecticides to Manage Clover Seed Weevils in White Clover Seed Crops (2022)

A.A Tomasek, Assistant Professor, Extension Soil and Water Quality Specialist

• The Effect of Subsurface Drainage in Grass Seed Fields on Soil Carbon Stocks

A.R. Willette, Faculty Research Assistant

• Do Newer Pesticide Chemistries Provide Enough Symphylan Control in Grass Seed Crops? (Year 1)

Department of Integrative Biology—OSU 

D.R. Denver, Professor

• Impact of Slug Baits on the Survival of Phasmarhabditis Nematodes

D.K. Howe, Senior Faculty Research Assistant

• Impact of Slug Baits on the Survival of Phasmarhabditis Nematodes

Extension Service—OSU

K.C. Tanner, Field Crops Extension Agent, South Willamette Valley

• Evaluating New Insecticides to Manage Clover Seed Weevils in White Clover Seed Crops (2022)
• Quantifying Vole Damage with Aerial Imagery

D.L. Walenta, Field Crops Extension Agent, Union County

• Resistance to ACCase Inhibitors in Downy Brome Populations from Fine Fescue Seed Fields
• Indaziflam Herbicide Use in Stand Establishment of Kentucky Bluegrass Grown for Seed (Year 2)

North Willamette Research and Extension Center—OSU

D.M. Lightle, Assistant Professor (Practice)

• Evaluating New Insecticides to Manage Clover Seed Weevils in White Clover Seed Crops (2022)

National Forage Seed Production Research Center, Corvallis, OR—USDA-ARS

L.C Breza, Postdoctoral Fellow

• The Effect of Subsurface Drainage in Grass Seed Fields on Soil Carbon Stocks

S.J. Dorman, Research Entomologist

• Evaluating New Insecticides to Manage Clover Seed Weevils in White Clover Seed Crops (2022)
• Do Newer Pesticide Chemistries Provide Enough Symphylan Control in Grass Seed Crops? (Year 1)

J.M. Moore, Research Soil Scientist

• The Effect of Subsurface Drainage in Grass Seed Fields on Soil Carbon Stocks

K.M. Trippe, Research Microbiologist

• The Effect of Subsurface Drainage in Grass Seed Fields on Soil Carbon Stocks

The Pennsylvania State University

C.A.C.G Brunharo, Assistant Professor

• Resistance to ACCase Inhibitors in Downy Brome Populations from Fine Fescue Seed Fields

 

Credits

 

This report has been published with a grant from the Oregon Seed Council

Appreciation is expressed to the Officers of the 2022–2023 Oregon Seed Council:

Becky Berger, President
Katie Hartnell, Vice President
Alex Duerst, Second Vice President
Emily Woodcock, Treasurer
Orin Nusbaum, Immediate Past President

Business Address
Oregon Seed Council
494 State Street, Suite 220
Salem, OR 97301
Tel: (503) 585-1157
FAX: (503) 585-1292
E-mail: Megan@MAC-Consulting-LLC.com
www.oregonseedcouncil.org

Sincere appreciation is also extended to the growers who have allowed trials to be conducted on their farms. Data presented in many of the research reports would not be available without their cooperation.

Lastly, appreciation is expressed to Teresa Welch, Wild Iris Communications, for her conscientious attention to detail in formatting this manuscript for publication.