Abstract
AbstractThe bermudagrass stem maggot (BSM; Atherigona reversura Villeneuve) continues to damage bermudagrass [Cynodon dactlyon (L.) Pers.] pastures and hayfields throughout the southeastern United States each season. This management guide describes how to identify the damage to the forage and the bermudagrass stem maggot as a larva, pupa, and fly. Strategically timed pyrethroid applications reduce adult BSM populations and yield loss, but ongoing efforts are focused on developing integrated pest management plans that include cultural, physical, and biological suppression efforts. Research is ongoing to improve the effectiveness of insecticide applications and screen new modes of action to prevent resistance to the pyrethroids. However, long‐term solutions will require development and release of tolerant bermudagrass cultivars to reduce the reliance on pesticides. Fine‐stem bermudagrass lines are more susceptible to bermudagrass stem maggot damage than lines with thicker stem diameters. While ‘Tifton 85’ is still considered the standard to which we compare all other bermudagrass lines for BSM tolerance, there is still room for improvement. Genotypes currently under evaluation maintain the positive attributes of Tifton 85 while overcoming these challenges.
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