Montana State University

Eva Grimme, Ph.D.

Plant Disease Diagnostician
Department of Plant Sciences and Plant Pathology
121 Plant BioScience Facility
Montana State University
Bozeman, MT 59717-3150

Tel: (406) 994-5150
Fax: (406) 994-7600

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Recent Alerts

Wheat streak mosaic virus in cereals (northcentral and eastern MT): an update. (Cropland Diseases)
Description: Attached covers crop termination and replanting concerns in the state with WSMV-infected fields. Crop termination is not always necessary! In areas where the disease is widespread we have to be very careful about managing the green bridge this season and into planting this fall. --Mary Burrows
Alert Period: 05/05/2016 - 05/26/2016
Submitted By: mary burrows
Alert Documents:
Montana Ag Alerts available by text (General)
Description: Montana Ag Alerts notifications are now available via text message. To sign up, go to and enter your cell phone number and service provider in the box on the right hand side of the page. If you wish to unsubscribe from agalerts by email, there is an unsubscribe link at the bottom of every agalert email. Thank you, --Mary Burrows
Alert Period: 04/29/2016 - 05/27/2016
Submitted By: mary burrows
Death camas (Rangeland)
Description: Death camas, a native plant that resembles wild onion and is toxic to livestock, is abundant on Montana rangelands this spring.
Alert Period: 04/29/2016 - 05/31/2016
Submitted By: Jane Mangold
Alert Documents:
Monitoring Alfalfa Weevil (Cropland Insects)
Description: Alfalfa weevil monitoring should begin after 310 degree days (DD) have accumulated. Based on 30-year temperature averages 310 DD typically accumulate in Montana between May 24 and June 16 depending on location (attached MontGuide). The attached PDF files provide information about calculating degree days, weevil monitoring, treatment thresholds and management recommendations.
Alert Period: 04/28/2016 - 05/31/2016
Submitted By: Kevin Wanner
Alert Documents:
Wheat streak mosaic virus: more than you wanted to know. (Cropland Diseases)
Description: Lots of information on WSMV diagnosis and management in this agalert and the accompanying montguide.
Alert Period: 04/25/2016 - 05/30/2016
Submitted By: mary burrows
Alert Documents:
Wheat and pulse fungicide tables (Cropland Diseases)
Description: Apologies, I uploaded the wrong file last night. Attached is the 2016 fungicide table for wheat. I've also uploaded the pea foliar and seed treatment tables while I"m at it. Sorry for the duplicate agalert, and thank you to alert readers! --Mary
Alert Period: 04/15/2016 - 09/15/2016
Submitted By: mary burrows
Alert Documents:
Pea Leaf Weevil (Cropland Insects)
Description: Pea Leaf Weevil (PLW) is an introduced pest that damages field peas in Montana, and whose range continues to expand eastward. PLW is an early season pest, adult beetles invade field peas soon after emergence. A new MontGuide provides a concise summary of its biology and management:
Alert Period: 04/07/2016 - 05/15/2016
Submitted By: Kevin Wanner
Alert Documents:
Rozol Oat Bait available for Management of Ground Squirrels (General)
Description: Liphatech and MDA have announced the renewed special registration of Rozol Ground Squirrel Oat Bait (EPA SLN No MT-00-0007) once again in 2016.
Alert Period: 03/21/2016 - 07/13/2016
Submitted By: Cecil Tharp
Alert Documents: