Click here to download a .pdf version.

The 38th ANNUAL RESEARCH REPORT

WESTERN TRIANGLE AGRICULTURAL RESEARCH CENTER

Montana Agricultural Experiment Station Conrad, MT

2015 Crop Year

Submitted by:

Dr. Gadi V.P. Reddy, Superintendent & Associate Professor of Entomology & Insect Ecology

Dr. Roger Nkoa Ondoua, Agronomy and Soil Nutrient Management

Dr. Frank B. Antwi, Postdoctoral Research Associate – Entomology/Insect Ecology Dr. Scott L. Portman, Postdoctoral Research Associate – Entomology/Insect Ecology John H. Miller, Research Associate – Varietal Testing/Entomology/Insect Ecology Amber Ferda, Research Associate – Entomology/Insect Ecology

Ashish Adhikari, Graduate Student – Entomology/Insect Ecology

Daniel E. Picard, WTARC Special Projects Coordinator

Table of Contents

Climatic Data 2015

Soil Test Values

Agronomy and Soil Nutrient Management Program

Agronomy and Soil Nutrient Management Program 

Entomology/Insect Ecology program

Determining the prevalence of the entomopathogenic fungus, Beauveria spp., in diapausing wheat stem sawfly larvae 

Evaluations of six species of entomopathogenic nematodes and four carrier solutions for use in the management of wheat stem sawfly larvae, Cephus cintus (Hymenoptera: Cephidae) 

Effect of Thimet against wheat stem sawfly, Cephus cinctus 

Status of Sitodiplosis mosellana (Diptera: Cecidomyiidae) and its parasitoid, Macroglenes penetrans (Hymenoptera: (Pteromalidae), in Montana 

Efficacy of entomopathogenic nematodes and polymer gel against flea beetle (Coleoptera: Chrysomelidae) on canola 

Evaluation of trap crops for the management of wireworms (Coleoptera: Elateridae) on spring wheat 

Evaluation of reduced risk insecticides for management of wireworms (Coleoptera: Elateridae) on spring wheat 

Toxic effects of biologically derived insecticides on larvae of the alfalfa weevil, Hypera postica (Coleoptera: Curculionidae) 

Effect of temperature on two bio-insecticides for the control of confused flour beetle (Coleoptera: Tenebrionidae) 

Comparative evaluations of three entomopathogenic nematodes against Tenebrio molitor (Coleoptera: Tenebrionidae), for use in management of wireworms (Coleoptera: Elateridae) in Montana wheat fields 

Varietal Testing Program

Winter wheat variety evaluations at Western Triangle Ag. Research Center 

Winter Wheat Variety Notes & Comments 

Hard White Winter Wheat Notes & Comments 

Spring wheat and durum variety evaluations at Western Triangle Ag. Research Center

Sawfly Tolerant & Semi-tolerant Hard Red Spring Wheat Varieties Notes and Comments 

Hollow-Stem, Sawfly Intolerant Hard Red Spring Wheat Varieties Notes and Comments

Hard White Spring Wheat Notes & Comments 

Durum Notes & Comments 

Spring Barley variety evaluations at Western Triangle Ag. Research Center 

Barley Variety Notes & Comments

Canola variety evaluations at Western Triangle Ag. Research Center 

INTRODUCTION

The information and data reported are a collaboration of ongoing or new research projects located at or near Western Triangle Agricultural Research Center (WTARC) of Montana State University, College of Agriculture, Conrad, Montana. Many projects are conducted in cooperation with faculty members, research associates and Post-doctoral fellows from the Depts. of Plant Science and Plant Pathology (PSPP) and Land Resources and Environmental Science (LRES) located on the campus of Montana State University (MSU), and Agricultural Research Centers: Central (CARC), Northern (NARC), Eastern (EARC), Northwestern (NWARC) Southern (SARC) and Western (WARC) of the Dept. of Research Centers.

To simplify reading, trade or brand names of products, services, firms, or equipment are sometimes used. No endorsement of such names or firms is intended nor is criticism implied of those not mentioned.

This report is NOT FOR PUBLICATION. No part may be published or reproduced in any form without prior consent of the authors.

ACKNOWLEDGEMENTS

The following faculty, former faculty, research associates, members of the Advisory Committee, cooperating producers and summer staff were involved or cooperated in accomplishing the research mission at Western Triangle Ag. Research Center:

Dr. Phil Bruckner and Jim Berg – Winter Wheat Variety Breeding Program

Dr. Luther Talbert and Hwa-Young Heo – Spring Wheat Variety Breeding Program

Dr. Olga S. Walsh, Southwest Research & Extension Center, University of Idaho, Parma, ID Dr. Stefan T. Jaronski, USDA-ARS, Sidney, MT – Entomopathogenic fungi

Dr. David I. Shapiro-Ilan, USDA-ARS, Byron, Georgia – Entomopathogenic nematodes

Drs. David Weaver, Kevin Wanner and R.K.D. Peterson, LRES – Wheat stem sawfly/wireworms Dr. Héctor A. Cárcamo, Agri-Food Canada, Lethbridge, Canada – Canola IPM

Dr. Scott Meers, Alberta Agri. and Rural Dev., Brooks, Canada – Orange wheat blossom midge Dr. Jamie Sherman and Liz Elmore – Barley Variety Breeding Program

Dr. Chengci Chen and Dr. Yusuf Mohammad – Pulse Crop Variety Testing Program Dr. Joyce Eckoff – Durum Variety Breeding and Testing Program

Dr. Bob Stougaard and Brooke Bohannon - Canola Variety Testing Program Shad Chrisman – Farm Mechanic/Safety Coordinator, WTARC

Philip L. Hammermeister – Research Assistant, WTARC Julie Prewett – Research Assistant III, WTARC

Debbie Miller – Research Assistant III, WTARC Julie Orcutt – Admin Associate III, WTARC

 

WTARC Advisory Committee and cooperating producers: Boyd Standley, Dan Picard, Jeff Farkell, Jerry Jerome, Kevin Bradley, Megan Mattson-Hedges, Phillip Hodgson, Rob Moog, Scott Inbody, Terry Alme, Dusty Jones, Mark Grubb, Phil Aschim, Steve Kellog, Dan Meuli, Jeremy Curry, Aaron Killion and Brian Aklestad.

 

Summer Staff: Blaine Berg, Caitlin Bach, Connie Miller, Dawson Berg, Gabby Drishinski, Javan Caroll, Krista Judisch, Malia Curry, Michaela DeBoo, Morgan Koenig, and Taylor Judisch.