Improved management of the bermudagrass stem maggot

Author:

Baxter Lisa L.1ORCID,Anderson William F.2ORCID,Hudson William G.3,Rios Esteban F.4ORCID,Bowling Cody H.5,Hancock Dennis W.6,Gates Roger N.7,Burt Justin C.1ORCID

Affiliation:

1. Department of Crop and Soil Sciences University of Georgia Tifton Georgia USA

2. USDA‐ARS Crop Genetics and Breeding Research Unit Tifton Georgia USA

3. Department of Entomology University of Georgia Athens Georgia USA

4. Agronomy Department University of Florida Gainesville Florida USA

5. Catoosa County University of Georgia Extension Service Ringgold Georgia USA

6. USDA‐ARS, US Forage Dairy Research Center Madison Wisconsin USA

7. Southeast AgriSeeds Rome Georgia USA

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.

Funder

National Institute of Food and Agriculture

Publisher

Wiley

Reference16 articles.

1. Anderson W. F. Baxter L. Gates R. &Rios E.(2023 14–19).Genetic improvement of bermudagrass for hay producers. [Paper presentation]. 2023 International Grassland Congress Proceedings Covington KY.https://doi.org/10.52202/071171‐0090

2. Baxter L. L. Anderson H. Carter A. Dowdy M. Forte E. Hollifield S. Jefferies B. Kichler J. Kicklighter J. Knight C. Paulk K. Sapp P. Sawyer A. &Hancock D.(2019a January 6–9).Detecting and monitoring bermudagrass stem maggot populations[Paper presentation].75th Annual American Forage and Grassland Conference Proceedings of American Forage and Grassland Council St. Louis MO.

3. Baxter L. L. Anderson H. Carter A. Dowdy M. Forte E. Hollifield S. Jefferies B. Kichler J. Kicklighter J. Knight C. Paulk K. Sapp P. Sawyer A. &Hancock D.(2019b January 6–9).Screening chemical control options for the bermudagrass stem maggot[Paper presentation].75th Annual American Forage and Grassland Conference Proceedings of American Forage and Grassland Council St. Louis MO.

4. Baxter L. L. Anderson W. F. Gates R. &Rios E. F.(2023 May 14‐19).Overcoming challenges in bermudagrass production in the Southeastern US[Paper presentation].25th International Grassland Conference Proceedings of International Grassland Congress Covington KY.

5. Baxter L. L. Anderson W. F. Hancock D. W. Hudson W. G. &Prevatt C. G.(2020 January 5‐8).Reviewing the first decade of bermudagrass stem maggot research[Paper presentation].76th Annual American Forage and Grassland Conference Proceedings of American Forage and Grassland Council Greenville SC.

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