Wildfire Prevention and Restoration

mountainside after a wildfire
Western United States

Fire Prevention With Herbicides

The damage that wildfires have caused in recent years make it very clear that a well-planned and balanced approach is needed that focuses on prevention and restoration. Proper planning, along with the technical guide will assist all stakeholders in managing our habitats, forests and grasslands.

Download PNW Technical Guide →

Download AZ, CA Technical Guide →

Wildfire Prevention

What steps can and should be taken to help prevent out of control wildfires? We know the prevention measures listed below will not stop a megafire but may provide you the critical minutes to escape or defend a structure and will alter the fire behavior.


This is a process where the landowner or manager can physically remove less desirable trees to establish a stem density that is sustainable.


Properly managed forests and brush areas include timely mechanical thinning as well as selective tree and brush control. The goal is to ensure that when fires inevitably move through the area, the height of the fire is maintained in such a manner as to avoid 100% denuding of the fores

Prescribed Burns

Properly planned and executed, prescribed burns are an effective, economical, and sustainable way to keep forests healthy and reduce ladder fuel density thus reducing crown fire threats.

Fuel Breaks

When constructed correctly with biomass thinning and proper tree spacing, a shaded fuel break can take an uncontrolled crown fire with 200-foot flame lengths and bring it down to the ground for a more manageable problem. It is important that these selective herbicides control the desired species, while leaving species that are desired in the ecosystem. Selective foliar herbicide treatments are key in this initiative.

Fire along a roadside

Annual Grasses and Fire

Weeds can invade all of our valuable areas that we enjoy for grazing, wildlife, and recreation. It is not enough to take out a noxious and invasive species. While invasive grasses and broadleaves can reduce recreation and wildlife, they can also greatly increase fire risk.

Wildfire Restoration

In the near term, restoring your range gives you increased forage in the year of application, promotes species diversity, decreases the risk of fire, and improves late season control of tough to handle broadleaf weeds.

In the long term, it also provides greater grazing efficiency, less encroachment by invasive species and provides a more productive range for generations to come.

Site preparation

Prior to planting tree seedlings, it is important to create an environment free from competition.

Products to focus on in these programs are Cleantraxx®Milestone®, and Transline® herbicides

Conifer release

Once conifers are planted, rapid establishment and growth is dependent on adequate moisture and sunshine. Competing species such as brush and herbaceous plants like false Dandelion, sowthistle, woodland groundsel and ceanothus species can greatly reduce the amount of water, nutrients, and sunshine available to conifer seedlings. This can reduce establishment by up to 70%.

Products to consider in these programs are Cleantraxx® and Transline®

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Opensight® and Milestone® have no grazing or haying restrictions for any class of livestock. When treating areas in and around roadside or utility rights-of-way that are or will be grazed, hayed or planted to forage, important label precautions apply regarding harvesting hay from treated sites, using manure from animals grazing on treated areas or rotating the treated area to sensitive crops. See the product label for details. Not all products are registered for use in all states. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. State restrictions on the sale and use of Transline® applies. Consult the label before purchase or use for full details. Always read and follow label directions. ©2022 Corteva