South Texas IPM Audio Updates
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4/8/2021 (audio file). Thrips are building in cotton with some fields requiring treatment. Corn, sorghum, and soybeans looking clean despite recent detections of fall armyworm caterpillars and yellow sugarcane aphid. First sugarcane aphids found in commercial sorghum. Weather across the area has been very dry. Corn earworm moths and rice stink bug adults have been found in the Nueces/San Patricio area, but treatment not needed. Thrips damage found in cotton farther up the coast. (7:28)
4/2/2021 (audio file). Corn, sorghum, and cotton continue to develop normally in the Lower Rio Grande Valley despite moisture concerns so far. While fall armyworm moth captures have been high, few caterpillars, if any, have been seen in crops so far in the Lower Rio Grande Valley. Keep an eye out for thrips and aphids as you scout cotton and sorghum. Up the Coast, corn and sorghum are developing normally with minimal insect issues so far. Any untreated sorghum that was planted should be scouted for yellow sugarcane aphid. (7:43)
3/25/2021 (audio file). High captures of adult fall armyworm in RGV. Primary concern for fall armyworm right now is pasture. Thrips, primarily western flower and tobacco thrips, have been a concern in onion. Cotton starting to emerge with few issues so far. Cotton planting still ongoing. Most crops look clean so far, but sunflowers may experience some bird issues. Sustained winds and lack of soil moisture of greater concern than insect pests right now. (7:50)
03/18/2021 (audio file). LRGV: Cotton has started to emerge, primarily in the cotyledon and first true leaf stages. Cotton aphid just barely showing up in cotton. Sugarcane aphid just found in sorghum, but most sorghum clean. No issues found in corn. Coastal Bend: Sorghum and corn planting still ongoing. Slow germination and poor soil conditions can lead to unusual pests like millipedes, but a replant is often already needed due to stand issues. Contact AgriLife Extension if you need ID or have questions. (3:55)
03/11/21 (audio file). Planting underway. Seed treatments will protect corn from chinch bugs. Plant sorghum soon to escape midge pressure later. LRGV: Freeze forces sorghum replant. Soil extremely dry, dryland planting on hold, wind-blasting common. High thrips numbers in onions, will move to seedling cotton. Diamondback moth pressure high in cabbage. Whiteflies rebounding from freeze. (7:32)