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War Against Weeds

Sarah Lancaster
Weed Management
Herbicide Resistance
Palmer Amaranth
Herbicides
Integrated Pest Management
Weed Control
Waterhemp
Agricultural Practices
Crop Rotation
Soybeans
Bur Cucumber
Agriculture
Atrazine
Mesonets
Cover Crops
Weed Resistance
Johnson Grass
Specialty Crops
Herbicide Resistance Management
Glyphosate

Sarah, Joe, and Alyssa are three Extension weed scientists on a mission to help their audience understand what it takes for farmers to fight the war against weeds. Funding for the podcast is provided by the North Central IPM Center, on of four regional centers funded by the United States Department of Agriculture (USDA) National Institute of Food and Agriculture (NIFA) to promote and facilitate th... more

PublishesWeeklyEpisodes178Founded5 years ago
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Artwork for War Against Weeds

Latest Episodes

In this episode of the War Against Weeds podcast, Sarah and Joe welcome Dr. Katie Dentzman of Iowa State University to explore the human and social dimensions of herbicide resistance management. The conversation digs into why "silver bullet" solution... more

In this episode Sarah and Joe welcome Hudson Takano of Corteva Agriscience for an update on the Herbicide Resistance Action Committee (HRAC) and the newly released 2026 HRAC Mode of Action poster. Hudson explains HRAC's role in resistance management,... more

In this episode of the War Against Weeds podcast, Sarah Ganske and Joe Ikley explore the emergence of PPO resistant kochia across the northern Great Plains. Joined by BASF scientists Dr. Ingo Meiners and Dr. Aimone Porri, the group walks through how ... more

In this episode of War Against Weeds, hosts Alyssa and Sarah sit down with Dr. Karla Gage (Southern Illinois University Carbondale) and Dr. Pat Tranel (University of Illinois) to discuss emerging glufosinate resistance in waterhemp and what it means ... more

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Recent Guests

Ingo Meiners
R&D group leader, BASF Agricultural Solutions
BASF
Episode: S11 E10 - PPO Resistant Kochia: From Field Failures to the Lab
Aimone Porri
Plant geneticist, principal scientist/lab leader
BASF
Episode: S11 E10 - PPO Resistant Kochia: From Field Failures to the Lab
Karla Gage
Weed scientist
Southern Illinois University Carbondale
Episode: S11 E9 - Glufosinate Resistance in Waterhemp: What We Know (and What Comes Next)
Pat Tranel
Professor
University of Illinois
Episode: S11 E9 - Glufosinate Resistance in Waterhemp: What We Know (and What Comes Next)
Tom Wolf
Spray technology researcher and entrepreneur; Agrometrics founder; runs Sprayers101 with Jason
Agrometrics; Sprayers101
Episode: S11 E8 - Drones Update
Jason Deveau
Application Technology Specialist
Ontario Ministry of Agriculture, Food and Rural Affairs
Episode: S11 E8 - Drones Update
Reid Smeda
Professor, weed science expert
University of Missouri
Episode: S11 E7 - Teasel Control with Dr. Reid Smeda
Aaron Patton
Turfgrass extension specialist at Purdue
Purdue University
Episode: S11 E6 - Crabgrass
Vera Vuković
PhD candidate studying turfgrass weed science
Purdue University
Episode: S11 E6 - Crabgrass

Hosts

Alyssa Essman
Weed Science Extension Specialist at Ohio State University
Joe Ikley
Extension Weed Scientist at North Dakota State University
Sarah Lancaster
Extension Weed Management Specialist at Kansas State University

Reviews

4.8 out of 5 stars from 38 ratings
  • Adam L.

    Most of the episodes are an excellent source of information regarding weed control.

    Thank you guys!!💐💐

    Apple Podcasts
    5
    Ahbzl
    Canada2 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Most of the episodes are an excellent source of information regarding weed control. Thank you guys!

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Talking Points

Recent interactions between the hosts and their guests.

S11 E9 - Glufosinate Resistance in Waterhemp: What We Know (and What Comes Next)
Q: What management implications and strategies did the guests discuss to manage glufosinate-resistant waterhemp?
They stressed using multiple sites of action, incorporating pre-emergence and post-emergence options, and increasing non-chemical controls such as cover crops and harvest weed seed control. They also highlighted environmental considerations for spraying, the value of higher herbicide coverage, and the need to adapt strategies as resistance evolves, including crop rotations and integrated weed management practices.
S11 E9 - Glufosinate Resistance in Waterhemp: What We Know (and What Comes Next)
Q: How did the researchers distinguish between target-site and non-target-site resistance, and what did they conclude about glufosinate resistance in waterhemp?
Target-site resistance would involve changes or amplification of the target enzyme, whereas non-target-site resistance involves reduced uptake, altered translocation, or enhanced detoxification. The transcriptome analysis found no differential expression or mutations in the glutamine synthetase gene that would indicate a target-site mechanism; overall, the data supported non-target-site resistance, likely via metabolism, as the primary driver of observed resistance in the studied populations.
S11 E9 - Glufosinate Resistance in Waterhemp: What We Know (and What Comes Next)
Q: What were the early indicators of glufosinate resistance at the field level, and how were other factors ruled out?
Field indicators included escapes and patterns suggesting resistance, followed by greenhouse dose–response testing that compared suspected resistant populations to a known susceptible one. The team emphasized using multiple susceptible references to avoid misinterpreting unusually sensitive controls as resistance; environmental conditions were acknowledged as confounding factors, and subsequent experiments aimed to stabilize results across runs.
S11 E7 - Teasel Control with Dr. Reid Smeda
Q: So what are teasels or what is teasel?
Reid explains that teasel is a biennial plant with distinctive seed heads and cradle-like leaf bases, describes the two main species, and outlines its history and biology to help listeners identify and understand its spread.
S11 E6 - Crabgrass
Q: Are these emergence patterns mainly for smooth crabgrass or do they apply to large crabgrass as well?
The emergence patterns are fairly similar for smooth and large crabgrass, with only subtle differences; however, control strategies work similarly for both species, so managers don't need to distinguish strictly between them for timing herbicide applications.

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Frequently Asked Questions About War Against Weeds

What is War Against Weeds about and what kind of topics does it cover?

Focusing on the intricacies and challenges of weed management, the discussions center around various agricultural techniques and scientific insights essential for effective practices. Episodes feature topics such as herbicide resistance, weather's impact on agriculture, and specific weed species like broomrape and Palmer amaranth, often highlighting practical tools and strategies that farmers can implement. Featuring a roster of expert guests in weed science and agriculture, the content is geared towards providing actionable solutions for tackling complex weed issues and encourages collaboration among those in the field. Notably, the podcast also emphasizes advancements in integrated pest management strategies, making it a valuable resource... more

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Which podcasts are similar to War Against Weeds?

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1. The Dan Bongino Show
2. AgriTalk PM
3. Ag PhD Radio on SiriusXM 147
4. AgriTalk
5. Grain Markets and Other Stuff

How many episodes of War Against Weeds are there?

War Against Weeds launched 5 years ago and published 178 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on War Against Weeds?

Recent guests on War Against Weeds include:

1. Ingo Meiners
2. Aimone Porri
3. Karla Gage
4. Pat Tranel
5. Tom Wolf
6. Jason Deveau
7. Reid Smeda
8. Aaron Patton

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