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

Abiotic and biotic diseases of cereal grains (General)
Description: Attached are some recent observations on cereals: cold damage, physiological and fungal spots, and viruses. Updated variety ratings for powdery mildew and stripe rust are listed. The fungicide efficacy table is also included in this alert. --Mary Burrows mburrows@montana.edu, 599-9966
Alert Period: 05/21/2016 - 06/11/2016
Submitted By: mary burrows
Alert Documents:
Pea Leaf Weevil (Cropland Insects)
Description: Pea leaf weevils are active and their populations are high across the state this spring. I am reissuing an earlier AgAlert that included a new PLW MontGuide. Chemical control options are listed on the High Plains IPM Guide: https://wiki.bugwood.org/HPIPM:PC_Pea_leaf_weevil
Alert Period: 05/20/2016 - 06/13/2016
Submitted By: Kevin Wanner
Alert Documents:
Cereal Leaf Beetle (Cropland Insects)
Description: MSU has received early reports of cereal leaf beetle infestations in wheat. A new two page format MSU Extension pest fact sheet on cereal leaf beetle is attached for your reference, along with the High Plains IPM Guide management recommendations.
Alert Period: 05/13/2016 - 06/30/2016
Submitted By: Kevin Wanner
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:
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 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: