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

Fungicide applications to winter wheat - timing and disease update (Cropland Diseases)
Description: Just a brief disease update on wheat. If you're going to spray a fungicide, wait until the flag leaf is fully emerged if you can. --Mary Burrows, 599-9966,
Alert Period: 05/22/2015 - 05/29/2015
Submitted By: mary burrows
Alert Documents:
Wheat seed treatments, NDSU Crop and Pest Report (General)
Description: I wanted to share Dr. Andrew Friskop's recent article on wheat seed treatments, I think you'll enjoy it and it answers some common questions with some data from North Dakota. It starts on Page 4 of the attached NDSU Crop and Pest Report. --Mary Burrows
Alert Period: 05/13/2015 - 06/03/2015
Submitted By: mary burrows
Alert Documents:
2015 Crops and Weeds Field Day (General)
Description: Field day - Post Farm. July 21, 2015 (please note the correct date -July 21, not July 8)
Alert Period: 05/12/2015 - 07/21/2015
Submitted By: Fabian Menalled
Field day at the MSU Post Farm - July 21, 2015 (General)
Description: The annual crops and weeds field day will be held at Montana State University's Post Research Farm, six miles west of Bozeman on Tuesday July 8, from 8:30 a.m. to 3:30 p.m.
Alert Period: 05/12/2015 - 07/21/2015
Submitted By: Fabian Menalled
Alert Documents:
Drought-induced nutrient deficiencies (General)
Description: Yellow and brown winter wheat leaves may be caused by drought, limiting nutrient uptake, and causing nutrient deficiencies
Alert Period: 05/07/2015 - 05/28/2015
Submitted By: Clain Jones
Alert Documents:
Thimet 20-G® for Wheat Stem Sawfly Management (Cropland Insects)
Description: Insecticides typically are not effective at controlling wheat stem sawfly damage. However, a new application method for the insecticide Thimet 20-G® has received a 24 (C) special local need registration label for control of WSS in spring and winter wheat crops, and research has demonstrated that it is effective. This Alert describes the use of Thimet 20-G® for Wheat Stem Sawfly Management along with safety considerations.
Alert Period: 05/06/2015 - 06/06/2015
Submitted By: Wanner & Tharp
Alert Documents:
Respiratory Protection of Increasing Concern for MT Applicators (General)
Description: The use of highly toxic pesticides that require respiratory protection were on the decline for over two decades. Recently, the use of one highly toxic active ingredient is on the rise due to glyphosate resistant kochia in Montana. This active ingredient is known as paraquat. Paraquat is in such formulations as Devour®, Firestorm®, Helmquat 3SL®, Gramoxone SL®, Cyclone SL 2.0®, Bonedry®, Willowood Paraquat 3SL®, Paraquat Concentrate® and Parazone 3SL Herbicide®. Paraquat is a photosynthesis inhibitor and acts as a non-selective contact herbicide.
Alert Period: 04/27/2015 - 09/23/2015
Submitted By: Cecil Tharp
Alert Documents:
Scout for Cutworms after Planting Spring Grain Crops (Cropland Insects)
Description: After a few quiet years cutworms are again becoming more prevalent in Montana’s cropland. This alert describes how to scout for and recognize damage, and thresholds for treatment.
Alert Period: 04/26/2015 - 05/31/2015
Submitted By: Kevin Wanner
Alert Documents:
New Special Registration for Repelling Sand Hill Cranes Approved in Montana (Pesticides)
Description: A section 24(c)special use registration was granted for the use of Avipel liquid seed treatment and Avipel dry seed treatment. These seed treatments can be used for the protection of field and sweet corn against Sand Hill Cranes until July 1st, 2019 in Montana. See attached 24(c) labels.
Alert Period: 01/24/2014 - 09/16/2015
Submitted By: Cecil Tharp
Alert Documents: