Filtering by tag: resistance ✕

Thrips Infestation Predictor within-season risk running from green (low risk) to red (high risk)

How to Nail 2025 Thrips Management (Reisig, Huseth)

With planters rolling, we urge growers to think about thrips management now.This article will cover 1) the Thrips Infestation Predictor and 2) insecticide management best practices, including dealing…

Heatmap "Within-Season Risk for 2024" showing daily risk by date, green-to-red color scale

How to Nail 2024 Thrips Management (Reisig, Huseth)

With planters rolling soon, we urge growers to think about thrips management now. The best source of information for timely thrips activity is the Thrips Infestation Predictor. This online tool…

Yellow aphids clustered on green leaf surface; label "UGA1389005"

A Reasonable Expectation for Acephate (Orthene) Control

We have been fielding many calls from folks rightly worried about acephate (Orthene) control. Growers are finding thrips behind acephate sprays wondering if they their spray is working. This is…

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Orthene Resistance Confirmed for Thrips in Cotton: A Suggested Plan Forward

Article by Reisig and HusethSeveral days ago, we mentioned how important it was to check insecticide efficacy for thrips control. In addition to those reasons we mentioned, we have new information…

Small striped bug with long antennae perched on a white flower petal

Pre-Bloom Plant Bug Management

By Dominic Reisig and Anders Huseth With cotton moving into squaring it’s a good time to think about a game plan for tarnished plant bugs. In recent years, tarnished plant bug infestations have…

Small striped bug perched on a white flower petal, antennae extended to the right

Section 18 Emergency Exemption Approved for Transform in 2019 Cotton- Plant Bugs

Effective May 1, 2019, and expiring October 30, 2019, Transform has been approved for use in cotton as an emergency exemption to manage tarnished plant bugs in North Carolina. This timely approval…

Avg % corn earworm survival (5 µg cypermethrin) 2011–2016: 16.92, No data, 18.49, 15.48, 27.27, 30.90

Considerations for Pyrethroids (Bifenthrin and Others) Used to Manage Bollworm in Cotton and Soybean

Pyrethroids (common examples include Baythroid XL, bifenthrin, Declare, Karate Z, and Mustang Maxx) have been used for managing bollworm (corn earworm) in the Southeast for over 40 years. Given this…

Small brown caterpillar curled inside a green seed pod held between fingers

Managing Bollworms in Bt Cotton Through Season’s End

Written by Drs. Guy Collins and Dominic ReisigAs predicted, we have had an extraordinary year for bollworms in Bt cotton, some growers stating that cotton looks like it did before Bt. We can assure…

Pencil tip pointing at a tiny insect egg on a green leaf

Be Prepared to Spray Bollworm in Bt Cotton This Year- Change in Recommendation

As noted in this complementary article, bollworm populations have been heavy this year in corn and they are breaking through a lot of Bt corn. What that means for cotton growers is that they need to…

Thrips risk forecast for Rocky Mount. Generated based on weather from 16 May 2016.

Thrips Risk Forecast 2016- Should You Spray?

When did you plant? On average, cotton planted after the 17 of May is safe from thrips. The earlier you plant, the more likely you are to suffer from thrips. This varies from year to year, of course.…