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MSU Extension Services MontGuides and Publications

MSU Extension Services has a variety of MontGuides and other helpful publications on a broad range of topics from agriculture to raising a family.  If you don't see what you are looking for on our website, there's a good chance that you may find it on the MSU Extension website. 

Articles and Useful Links

Kochia and Russian Thistle

Kochia (Kochia scoparia or also Bassia scoparia) and Russian thistle (Salsola kali) are the most problematic broadleaf weeds in Montana cropping systems. Over the last 70 years, but especially after the transition to no-till, these weeds have been managed using herbicides, however evolved herbicide resistance is making management harder. 

Waterhemp

Preventing the spread of waterhemp in Montana is a high priority. This guide provides information on waterhemp identification, why it’s problematic, and what actions to take if you suspect you have found it.

Pesticide Education Program

MSU Pesticide Education Program link.

Pale Western and Army Cutworms in Montana

Describes the life cycle of the two cutworms, how to identify, monitoring adults and larvae, damage caused by them, and how to decide between control options: chemical, cultural management and biological control.

Biology and the Impact of Mosquitoes in Montana

Mosquitoes are serious nuisance pests due to their persistent biting behavior and are responsible for affecting the health and well-being of humans, companion animals, livestock and wildlife. This MontGuide describes the biology and life cycle of mosquitoes, their impact in the state, and provides information on repellents and their proper use for personal protection.

Personal Protective Equipment for Pesticide Applicators

The purpose of this publication is to instruct pesticide applicators to use proper PPE, including how to read the product label, understand chemically-resistant materials
and types of PPE, how to clean PPE, and best practices to reduce exposure.

Black Henbane: Identification, Biology and Integrated Management

This MontGuide describes black henbane's biological and ecological characteristics. It also provides mechanical, cultural and chemical management options to control this species.

Poison Hemlock

Poison hemlock is a toxic weedy plant in the parsley or carrot family that occurs where moisture is adequate and disturbance is frequent. Proper identification and management can help to prevent poisoning of livestock, wildlife, pets, and even humans.

Herbicide Labels and MSDS

This link provides useful information regarding herbicides including the MSDS.

2023 Monthly Weed Posts

January 2023

Revegetation Guidelines: Considering Invasive and Noxious Weeds  Revegetation, the intentional planting of desired species, is an important component of integrated weed management. Weed control without revegetation can be short-lived if desired plants are not available to occupy open spaces created after weeds are killed. 

 

2022 Monthly Weed Posts

December 2022

Common Buckthorn (Rhamnus cathartica)    Common Buckthorn is a noxious weed in several other states in the upper Midwest and Northeast and was placed on the Montana noxious weed list in 2017.

November 2022

Seed Dispersal by Vehicles and the Value of Washing Vehicles to Prevent Weed Spread is the topic for the November 2022 Weed Post. 

October 2022

Yellow Mignonette is a troublesome high seed output noxious weed that is the subject of October's Monthly Weed Post. 

September 2022

No Monthly Weed Post this month.

August 2022

August Monthly Weed Post highlights the Western Salsify

July 2022

The Fragrant Water Lily, also known as American Water Lily, White Water Lily or simply invasive water lily is the focus of the July Monthly Weed Post.

June 2022

This month we are looking at Identifying Invasive Annual Grasses in Montana.

May 2022

Creeping Bellflower also known as rover bellflower or rampion bellflower is the May Monthly Weed Post.

April 2022

Curious what a particular plant is? Your smart phone may have an app for that!

March 2022

This month we are looking at Cinquefoils (Potentilla Species) and the difference between Spotted Knapweed versus Dotted Blazing Star 

February 2022

Noxious Weed Views and Behaviors After 25 Years of Education and Outreach

January 2022

Flowering Rush is the subject of our first Monthly Weed Post for 2022.

 

2021 Monthly Weed Posts

December 2021

Noxious Weed or Native Plant?  Watch this video on Noxious Weeds and Native Plants to learn more.

November 2021

Chicory or more commonly known as Blue Daisy or Corn Flower is in the Monthly Weed Post spotlight this month.

October 2021

The Milfoil Weevil is a small aquatic bettle that is native to North America.  This month we are looking at the Milfoil Weevil's impact here in Montana.

September 2021

Testing Indaziflam for Restoring Cheatgrass (Bromus tectorum) Infested Montana Rangelands

August 2021

The August Monthly Weed Post offers some important information for Preventing Weed Invasion from Hay Shipments in the short and long-term.

July 2021

Tips for managing noxious weeds during drought including Spraying for Noxious Weeds During Drought can be found in the July Monthly Weed Post.

June 2021

Does Vinegar Kill Weeds? Find out in this Monthly Weed Post.

May 2021

Our May Monthly Weed Post features Baby's Breath (Gypsophila paniculata).

April 2021

Adult weevils begin to emerge from the soil in the spring.  This month we are looking at the Houndstongue Root Weevil.

March 2021

Effects of Increased Temperature and Carbon Dioxide on Cheatgrass and Ventenata.

February 2021

Puncturevine (Tribulus terrestris) or more commonly known as goatheads is now found in all western states of the US. This invasive noxious weed was first recorded in Montana in 1938.

January 2021

No Monthly Weed Post this month.

Articles and Useful Links

Montana Grasses Identification App

Montana Grasses Identification Basics

Invasive Grasses Quick Guide