Tag Archives: Field Scouting

IPM Update – Stink Bugs in Grain Sorghum

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Grain Sorghum in the Mid Coast of Texas is blooming and some fields are just past bloom in the Milk stage.  Sorghum should be scouted every day or so during bloom to detect economic populations of sorghum midge.  During bloom, the primary insect pest is sorghum midge.  The economic threshold of sorghum midge is 1 midge per 3-5 plants. Another important insect pest of sorghum is stink bugs.  We have been finding stink bugs in sorghum fields but most are still below the treatment threshold. The most critical… Read More →

Cotton IPM Update – Cotton Fleahopper

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Cotton fields range from seedling to 9-10 nodes, or pinhead square. With the beginning of the fruiting process we enter into the damage window of the cotton fleahopper. Fleahoppers can cause economic losses by feeding on small squares, or flower buds, causing the fruit to abscise and fall off of the plant. The resulting square loss can delay crop maturity and reduce yields. Treatment should be considered when cotton fleahoppers are present in numbers above 15 per 100 plants. Text below from “Cotton Fleahoppers” The adult fleahopper is… Read More →

2022 Cotton Scout School

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AgriLife Extension will hold a Cotton Scout School on Thursday, June 2. Time: 8 to 11 am Location: Jackson County Services Building in Edna, TX. Cost: $10 per person 2 TDA IPM CEUs. Let us know if you’ll be able to attend!

Midge in Grain Sorghum

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Grain sorghum fields range in maturity from nearing bloom to soft dough and all of these fields need to be scouted frequently. Blooming sorghum is susceptible to sorghum midge and field scouts are finding more midge in the fields this week. Scout sorghum fields 2-3 times per week until past bloom. Start by scouting fields on the south side (downwind) as the midge is a poor flyer and will be found on the field margins first. When you are finding them on field margins, move 150-200 feet into… Read More →

Rain and Square Loss

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Scouting fields this week we are finding each field is different from the next. Much of this has to do with how the rain affected the field. If the water got off the field or did not stand for too many days, the crop was better off. Fields that held water are more likely to have square losses. Many of these fields have lost the larger squares leaving fruit smaller than match-head square. An example of this is shown. I removed the leaves showing the lower four squares have… Read More →