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PodcastArkansas Row CropsAug 5, 2021

What Surprising Insights on Glufosinate Resistance Could Mean for Farmers?

Glufosinate resistance is emerging as a critical issue for soybean farmers in the Midwest.

AI-generated source brief by USFarms.ag, based on Arkansas Row Crops. How our briefs are made

Source published Aug 5, 2021. Check the source date before applying seasonal guidance. Brief published .

weed controlherbicide resistanceglufosinatecover cropsintegrated weed management

Source summary

What this podcast covered

Understanding Glufosinate Resistance

The episode dives into the challenges posed by glufosinate resistance, particularly in the context of soybean production. Experts highlight that while resistance is a growing concern, localized areas still see effective control when glufosinate is applied correctly.

Application Techniques Matter

Proper application techniques are emphasized as crucial for maximizing the effectiveness of glufosinate. The discussion covers the importance of timing, spray volume, and droplet size to ensure optimal weed control.

The Role of Cover Crops

Cover crops are discussed as a beneficial practice for enhancing soil health and suppressing weeds. The experts note that while cover crops can be effective, their management is critical to avoid complications in subsequent cash crops.

Integrated Weed Management Strategies

The conversation stresses the need for integrated weed management strategies to combat herbicide resistance. This includes using multiple modes of action and implementing practices that reduce selection pressure on herbicides.

Key takeaways

5 things worth knowing

  1. 01

    Glufosinate is showing effectiveness against resistant pigweeds if applied correctly.

  2. 02

    Proper timing and spray volume are critical for glufosinate efficacy.

  3. 03

    Cover crops can enhance soil health and suppress weeds, but management is key.

  4. 04

    Resistance to glufosinate is localized, offering some areas effective control.

  5. 05

    Integrated weed management strategies are essential to combat herbicide resistance.

Source figures at a glance

At a glance

What the podcast covered, in 4 signals

Weeds

Emerging resistance

Glufosinate

Resistance in Palmer amaranth is localized.

Management

Application techniques

Herbicide use

Proper timing and spray volume are critical.

Crops

Cover crops

Soil health

Can enhance weed suppression.

Strategy

Integrated approach

Weed management

Combating resistance requires diverse tactics.

Questions & answers

Quick answers

What is glufosinate resistance?

Glufosinate resistance refers to the ability of certain weed species, like Palmer amaranth, to survive applications of glufosinate herbicide, making it less effective for weed control.

How can I effectively use glufosinate in my soybean fields?

To effectively use glufosinate, apply it during the day when temperatures are optimal, ensure proper spray volume, and use the right nozzle to achieve the correct droplet size.

What role do cover crops play in weed management?

Cover crops can suppress weeds and improve soil health, but they must be managed carefully to avoid becoming problematic in subsequent cash crops.

Why is integrated weed management important?

Integrated weed management is important to delay herbicide resistance and maximize weed control by using a combination of strategies, including diverse herbicide applications and cultural practices.

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