2018 Seed Production Research Report

Contents

• Distribution and Frequency of Italian Ryegrass Herbicide Resistance in the Willamette Valley
• Management of Annual Ryegrass Contamination in Tall Fescue and Orchardgrass Grown for Seed
• Spatial Variation in Roughstalk Bluegrass Affects Tall Fescue Seed Yield
• Evaluation of Fungicides for Ergot Control in Kentucky Bluegrass Seed Production
• Are Higher Yields Possible in Annual Ryegrass Seed Crops? (Year 1)
• The Effect of Seed Age on the Germination, Dormancy, and Field Emergence of Annual Ryegrass Used as a Cover Crop
• Spring-applied Nitrogen and Plant Growth Regulator Effects on Seed Yield of Second-year Orchardgrass
• Plant Growth Regulator Combination Effects on Turf-type and Forage-type Tall Fescue Seed Crops
• Can Portable NIR Be Used for Seed Moisture Testing in Grass Seed Crops?
• Can Essential Oils Be Used to Control the Gray Field Slug?
• Timing of Slug Emergence in New Perennial Ryegrass Plantings
• Tiny Vetch Control in Crimson Clover Grown for Seed
• Monitoring for the Red Clover Casebearer Moth (Coleophora deauratella) in Red Clover Seed Crops of Northeastern Oregon
• In-season Plant Nutrient Uptake in Roots, Shoots, and Flowers of Hybrid Carrots Grown for Seed
• Are Current Recommendations Too High? Examining the Nitrogen Fertilizer Needs of Dry Field Peas in the Willamette Valley

Author Index

Ag Conservation Solutions, LLC

D.L. Towery, Agricultural Consultant

• The Effect of Seed Age on the Germination, Dormancy, and Field Emergence of Annual Ryegrass Used as a Cover Crop

Central Oregon Agricultural Research Center

Q. Cheng, Research Associate

• Evaluation of Fungicides for Ergot Control in Kentucky Bluegrass Seed Production

J.K.S. Dung, Assistant Professor, Plant Pathology

• Evaluation of Fungicides for Ergot Control in Kentucky Bluegrass Seed Production

E.A. Jeliazkova, Faculty Research Assistant

• In-season Plant Nutrient Uptake in Roots, Shoots, and Flowers of Hybrid Carrots Grown for Seed

T.M. Wilson, Agricultural Literacy Coordinator

• In-season Plant Nutrient Uptake in Roots, Shoots, and Flowers of Hybrid Carrots Grown for Seed

Department of Crop and Soil Science—OSU

P.A. Berry, Graduate Student, Weed Science

• Distribution and Frequency of Italian Ryegrass Herbicide Resistance in the Willamette Valley

L.K. Bobadilla, Graduate Student, Weed Science

• Distribution and Frequency of Italian Ryegrass Herbicide Resistance in the Willamette Valley

T.G. Chastain, Professor, Seed Crop Physiology

• Are Higher Yields Possible in Annual Ryegrass Seed Crops? (Year 1)
• Spring-applied Nitrogen and Plant Growth Regulator Effects on Seed Yield of Second-year Orchardgrass
• Plant Growth Regulator Combination Effects on Turf-type and Forage-type Tall Fescue Seed Crops
• Can Portable NIR Be Used for Seed Moisture Testing in Grass Seed Crops?
• Can Essential Oils Be Used to Control the Gray Field Slug?

D.W. Curtis, Senior Faculty Research Assistant, Weed Science

• Management of Annual Ryegrass Contamination in Tall Fescue and Orchardgrass Grown for Seed
• Tiny Vetch Control in Crimson Clover Grown for Seed

S.G. Elias, Professor, Seed Science and Technology

• The Effect of Seed Age on the Germination, Dormancy, and Field Emergence of Annual Ryegrass Used as a Cover Crop

C.J. Garbacik, Senior Faculty Research Assistant, Seed Crop Physiology 

• Are Higher Yields Possible in Annual Ryegrass Seed Crops? (Year 1)
• Spring-applied Nitrogen and Plant Growth Regulator Effects on Seed Yield of Second-year Orchardgrass
• Plant Growth Regulator Combination Effects on Turf-type and Forage-type Tall Fescue Seed Crops
• Can Essential Oils Be Used to Control the Gray Field Slug?

T.M. Hudgins, Graduate Student, Seed Crop Physiology 

• Plant Growth Regulator Combination Effects on Turf-type and Forage-type Tall Fescue Seed Crops

A.G. Hulting, Associate Professor, Extension Weed Specialist 

• Distribution and Frequency of Italian Ryegrass Herbicide Resistance in the Willamette Valley
• Management of Annual Ryegrass Contamination in Tall Fescue and Orchardgrass Grown for Seed
• Tiny Vetch Control in Crimson Clover Grown for Seed

M.L. Klein, Faculty Research Assistant

• Can Essential Oils Be Used to Control the Gray Field Slug?

C.A. Mallory-Smith, Professor (emeritus), Weed Science 

• Distribution and Frequency of Italian Ryegrass Herbicide Resistance in the Willamette Valley
• Management of Annual Ryegrass Contamination in Tall Fescue and Orchardgrass Grown for Seed

R.J. McDonnell, Assistant Professor, Slug Specialist 

• Can Essential Oils Be Used to Control the Gray Field Slug?
• Timing of Slug Emergence in New Perennial Ryegrass Plantings

A.D. Moore, Assistant Professor, Extension Soil Fertility Specialist 

• Spring-applied Nitrogen and Plant Growth Regulator Effects on Seed Yield of Second-year Orchardgrass
• In-season Plant Nutrient Uptake in Roots, Shoots, and Flowers of Hybrid Carrots Grown for Seed

K.C. Roerig, Senior Faculty Research Assistant, Weed Science 

• Management of Annual Ryegrass Contamination in Tall Fescue and Orchardgrass Grown for Seed
• Tiny Vetch Control in Crimson Clover Grown for Seed

Cooperative Extension Service—OSU 

N.P. Anderson, Area Extension Agronomist, North Willamette Valley 

• Management of Annual Ryegrass Contamination in Tall Fescue and Orchardgrass Grown for Seed
• Are Higher Yields Possible in Annual Ryegrass Seed Crops? (Year 1)
• Spring-applied Nitrogen and Plant Growth Regulator Effects on Seed Yield of Second-year Orchardgrass
• Plant Growth Regulator Combination Effects on Turf-type and Forage-type Tall Fescue Seed Crops
• Can Portable NIR Be Used for Seed Moisture Testing in Grass Seed Crops?
• Monitoring for the Red Clover Casebearer Moth (Coleophora deauratella) in Red Clover Seed Crops of Northeastern Oregon

W.P. Jessie, Area Extension Agronomist, South Willamette Valley

• Spatial Variation in Roughstalk Bluegrass Affects Tall Fescue Seed Yield
• The Effect of Seed Age on the Germination, Dormancy, and Field Emergence of Annual Ryegrass Used as a Cover Crop

M.E. Mellbye, Area Extension Agronomist (emeritus), Linn County

• The Effect of Seed Age on the Germination, Dormancy, and Field Emergence of Annual Ryegrass Used as a Cover Crop

S.N. Rasmussen, Student Research Technician, Union County

• Monitoring for the Red Clover Casebearer Moth (Coleophora deauratella) in Red Clover Seed Crops of Northeastern Oregon

C.S. Sullivan, Small Farms and Community Food Systems Agent, Deschutes County

• Are Current Recommendations Too High? Examining the Nitrogen Fertilizer Needs of Dry Field Peas in the Willamette Valley

D.L. Walenta, Area Extension Agronomist, Union County

• Evaluation of Fungicides for Ergot Control in Kentucky Bluegrass Seed Production
• Monitoring for the Red Clover Casebearer Moth (Coleophora deauratella) in Red Clover Seed Crops of Northeastern Oregon

Hermiston Experiment Station

K.E. Frost, Assistant Professor, Botany and Plant Pathology

• Evaluation of Fungicides for Ergot Control in Kentucky Bluegrass Seed Production

Jasper County (Indiana) Soil and Water Conservation District

D.M. Perkins, Watershed Specialist

• The Effect of Seed Age on the Germination, Dormancy, and Field Emergence of Annual Ryegrass Used as a Cover Crop

National Forage Seed Production Research Center--USDA-ARS

G.W. Mueller-Warrant, Associate Professor and Research Agronomist

• Spatial Variation in Roughstalk Bluegrass Affects Tall Fescue Seed Yield
• Timing of Slug Emergence in New Perennial Ryegrass Plantings

K.M. Trippe, Research Microbiologist

• Spatial Variation in Roughstalk Bluegrass Affects Tall Fescue Seed Yield
• Timing of Slug Emergence in New Perennial Ryegrass Plantings

Credits