Filtering by tag: bollworm

Mesh cone insect trap with moths inside, mounted in a grassy field by trees.

Bollworm Populations on the Decline With Another Generation on the Way

As we enter early August, we continue to track bollworm populations across the state. Extension personnel across the state have been monitoring insect pests using black lights and pheromone traps for…

Brown-striped caterpillar curled on a green seed pod surrounded by leaves

Should You Stop Treating Cotton for Insects?

Should I treat this cotton for bollworm eggs, plant bugs or stink bugs? This is a question I have been getting a lot this year with all our delayed and late-planted cotton. Of course it's not a…

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…

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…

Two yellow-green moths, dorsal view, on white background; label "UGA1435150".

Be Prepared to Spray Bollworm in Bt Cotton During 2017

Bollworms are abundant again during 2017. Many survived the winter an emerged early. This could mean trouble for cotton, since we have the potential to crank out an additional generation, and since…

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Bollworm Flight Is On! Light Trap Data for NC Available Here

Light trap data can always be accessed from our website, cotton.ces.ncsu.edu. To find it on the site, scroll over to "links" and down to "light trap information". Be sure to "select a pest" on the…

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…

Bollworm underneath bloom tag.

Bollworms in Bt Cotton

We are between flights right now (access the trap data and select "corn earworm" on the right), having experienced our major bollworm (aka corn earworm) flight during the first week of August. Most…

stink bug injury

Stink Bug Management in Cotton

Stink bugs are tearing through cotton that has bolls. Both plant bugs and especially stink bugs and their damage vary widely across North Carolina, but are generally at much higher levels that we’ve…