Filtering by tag: threshold ✕

Rows of cotton plants: left side open white bolls, right side unopened brown/red bolls

Should You Spray Bollgard 3, TwinLink Plus, or WideStrike 3 Cotton for Bollworm Resistance Management?

The short answer is no way! The following are data and logic to support this position.First, we have replicated trials in North Carolina, South Carolina, and Georgia over multiple years stacking up…

Small beige caterpillar on a green seed pod held between two fingers

Start Scouting for Bollworm

As we have seen in previous years from monitoring corn, Bt resistance is on the rise. They also are more numerous than 2018 in corn and I expect our major July-August flight to arrive a bit earlier…

Split green pea pod interior showing a single immature pea nestled in the seam

Stink Bug Management in Cotton

Folks have been noting a fair bit of stink bugs in cotton and earlier than normal this year. Below are tips for scouting and treating, including insecticide choice:ScoutingStink bugs don't damage…

Cream-yellow flower with clustered stamens and a small green insect on an inner petal

Switch Up Scouting and Spraying for Plant Bugs During Bloom

When cotton blooms, it’s time to switch sampling and thresholds for plant bugs. This previous article covered why you should scout differently in pre-bloom and post-bloom cotton. There is no magic…

Dried brown seed pod with small hole on stem among leaves; text "© Arun Babu 2015"

When to Spray Late-Season Bollworm

Another bollworm flight is on and, from the looks of it, there are many more moths in the system than the previous flight. This shouldn't be surprising, since this insect undergoes multiple…

Striped small insect walking on the edge of a white flower petal

Aphids, Bollworms, Stink Bugs, & Tarnished Plant Bugs Complicating Insecticide Management

Well it is definitely mid-season cotton management time here in North Carolina. Lots of questions on a complex of insect pests present in the Coastal Plain. Bollworm flight activity has picked up on…

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

Bollworm Spray Recommendations for Bt Cotton and Important Scouting Changes

We are seeing as many, or more breakthroughs in Bt corn this year compared to last. Bollworms that are produced in Bt corn are adapted to survive on Bt cotton. What we have done in cotton prior to…

Four hazelnut bud close-ups labeled "Missing Square:", "Blasted Square", "Flared Square", "Dirty Square"

Scouting and Treating for Plant Bugs in Squaring Cotton

Article by Dominic Reisig, Guy Collins, and Mohammad Amir-AghaeeCotton should be scouted for plant bugs from the time it squares until the last harvestable boll is formed. You can visit the cotton…

tobacco thrips

Time to Check Cotton for Thrips

This is just a reminder to check cotton for thrips. It's a hard reminder when there is so much to be done, but early sprays are worth more. Don't forget thrips injury is a function of plant growth…

Small green insect resting on the inner petal of a pale yellow flower

Managing Plant Bugs in Blooming Cotton

When cotton blooms, it’s time to switch sampling and thresholds for plant bugs. This previous article covered management of plant bugs pre-bloom. There is no magic switch point, but once cotton…