Monthly Archives: June 2025

Bollworms in Cotton 6-30-25

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Today we are finding cotton bollworms in some cotton fields of Calhoun County.  The cotton fields with the worms are planted with 2-gene Bt cotton varieties. We have a Bt overspray test containing 4 Bt varieties and a non-Bt variety. We plan to count worms and worm feeding damage in this test tomorrow and will update this post when the data is analyzed. When scouting cotton for worms it is important to check plant terminals, squares, blooms and bolls for worm feeding. The published Economic Threshold for worms… Read More →

Corn Leafhopper Update 6/18/25

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We have found a few corn leafhoppers in Victoria corn fields.  These have been much more difficult to find than last year. I suggest you listen to the update below to learn how Dr Kerns is finding them in corn fields in the Brazos valley. Most of the corn in the mid-coast is in dent stage and well past the damage window of the corn stunt disease transmitted by the insect. A Corn Leafhoppers update from Dr David Kerns is available here: https://soundcloud.com/user-766365640-259391064/corn-leafhopper-update-6-18?utm_source=clipboard&utm_medium=text&utm_campaign=social_sharing You can get text message… Read More →

IPM Update 6/6/25

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  Refugio County Crop tours are Wednesday.  Check here for more info on Crop Tours. Audio Updates are another way to get IPM Updates. Find them here. We have found little change in the field over the past week. Crops continue to progress and fleahoppers and stink bugs are the primary things to look for in cotton, sorghum and soybeans. Southern Rust is the issue of greatest concern in corn fields of the Mid Coast of Texas.  Many fields have southern rust pustules on the leaves of the… Read More →