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
eva.grimme@montana.edu

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Recent Alerts

Risk of Ascochyta blight is high in pulse crops (Cropland Diseases)
Description: See attached for alert, pictures of symptoms, and the foliar fungicide table for pulses.
Alert Period: 06/24/2016 - 07/15/2016
Submitted By: mary burrows
Alert Documents:
PLW and Yellowing Pea Fields (General)
Description: Pea leaf weevil (PLW) is abundant in Montana this year. Yellowing of developing pea fields has been observed in association with PLW infestation. This is not a typical symptom of PLW infestation and the cause is unknown. The attached AgAlert lists several points to consider when determining the cause of this symptom.
Alert Period: 06/21/2016 - 07/29/2016
Submitted By: Kevin Wanner
Alert Documents:
Freeze, hail damage, and root and crown rots widespread in cereals and pulses (General)
Description: Attached are some observations on cereals and pulses. Frost and root rot are widespread, leaf spots are starting. -Mary Burrows
Alert Period: 06/17/2016 - 07/08/2016
Submitted By: mary burrows
Alert Documents:
PEA DISEASE DIAGNOSTIC SERIES NOW AVAILABLE (Cropland Diseases)
Description: A pea disease guide has been published by NDSU, and is a cooperative activity of the NC-IPM Center. See details attached. Thanks, --Mary
Alert Period: 06/16/2016 - 07/28/2016
Submitted By: mary burrows
Alert Documents:
Many Reports of Plant Injury due to Non-target Drift and Carryover. (Pesticides)
Description: The Montana State University Pesticide Education Program has received numerous reports of non-target plant injury due to drift and residual carryover of herbicides. Applicators should pay special attention to their particular mode of action and the potential for drift / carryover towards susceptible fields.
Alert Period: 06/15/2016 - 08/11/2016
Submitted By: Cecil Tharp
Alert Documents:
Alfalfa Weevil Update (Cropland Insects)
Description: The recent Alfalfa Weevil AgAlert issued on Sunday June 12 inadvertently included a link to an outdated High Plains IPM Guide factsheet. That AgAlert has been deleted. Please disregard the previous alert and refer to this current corrected AgAlert.
Alert Period: 06/13/2016 - 07/07/2016
Submitted By: Kevin Wanner
Alert Documents:
More complete stripe rust information (General)
Description: More information for stripe rust including current variety reactions and a table of % yield area vs. yield losses at different growth stages for a similar disease. --Mary Burrows
Alert Period: 06/07/2016 - 07/05/2016
Submitted By: mary burrows
Alert Documents:
Fungal diseases of wheat and pulse crops (General)
Description: Fungal leaf diseases are widespread and upcoming weather conditions are favorable. The fungicide efficacy tables are attached to this alert for wheat and pulses. Thank you, --Mary Burrows
Alert Period: 06/04/2016 - 07/02/2016
Submitted By: mary burrows
Alert Documents:
Vertebrate Pest Identification Key (General)
Description: The Montana Department of Agriculture has produced a Vertebrate Pest Identification Key to help residents and producers accurately identify the signs of common vertebrate pests that damage turf and crops.
Alert Period: 05/13/2016 - 08/01/2016
Submitted By: Cecil Tharp
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:
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: