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PodcastArkansas Row CropsJun 24, 2021

What Farmers Must Know About Fall Armyworms This Season?

Fall armyworms are emerging as a significant threat across multiple crops this season.

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

Source published Jun 24, 2021. Check the source date before applying seasonal guidance. Brief published .

pest managementfall armywormsplant bugsdefoliation thresholdscrop monitoring

Source summary

What this podcast covered

Fall Armyworm Threat

Fall armyworms are being reported in various crops, including cotton and rice, raising concerns for farmers. The discussion emphasizes the need for vigilance in monitoring these pests to prevent significant crop damage.

Plant Bug Concerns in Cotton

As cotton plants reach critical growth stages, plant bug populations are increasing, particularly near corn fields. Farmers are advised to monitor treatment levels closely to manage these pests effectively.

Rice Defoliation Thresholds

In rice, the impact of defoliation is significant, with yield loss becoming a concern if thresholds are exceeded. Farmers should be aware of the differences in defoliation tolerance based on planting dates.

Monitoring for Midge in Grain Sorghum

Grain sorghum is at risk from midge infestations, especially as it begins to bloom. Farmers are encouraged to check their fields regularly to manage this pest effectively.

Importance of Timely Intervention

With rising pest pressures across multiple crops, timely intervention is crucial for maintaining crop health. Farmers should adapt their management strategies based on current pest populations and conditions.

Key takeaways

5 things worth knowing

  1. 01

    Fall armyworms are affecting cotton, rice, corn, and grain sorghum this season.

  2. 02

    Plant bug populations are increasing, especially near corn crops.

  3. 03

    In rice, defoliation thresholds are crucial for preventing yield loss.

  4. 04

    Farmers should monitor for aphids and midges in grain sorghum to avoid crop damage.

  5. 05

    Timely pest management is essential as populations rise across various crops.

Source figures at a glance

At a glance

What the podcast covered, in 4 signals

Pests

Emerging threat

Fall armyworms

Significant populations detected across multiple crops.

Cotton

Rising pressure

Plant bugs

Increasing numbers near corn and other crops.

Rice

Defoliation risk

Yield loss thresholds

Critical monitoring needed to prevent damage.

Grain Sorghum

Check for pests

Midges and aphids

Monitoring essential as crops bloom.

Questions & answers

Quick answers

What crops are affected by fall armyworms this season?

Fall armyworms are impacting cotton, rice, corn, and grain sorghum.

How can I manage plant bugs in cotton?

Monitor treatment levels closely, especially in cotton near corn, and consider using recommended insecticides.

What defoliation thresholds should I be aware of in rice?

For April-planted rice, yield loss occurs at over 25% defoliation at green ring; for May and June plantings, it's 40%.

What should I look for in grain sorghum?

Check for midge infestations as the crop begins to bloom, and monitor for aphids to prevent damage.

Why is timely pest management important?

Timely intervention can prevent significant crop damage and protect overall productivity.

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