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Overview of the Forage Testing Program at Mississippi State University

Overview of the Forage Testing Program at Mississippi State University. Mr. Joshua A. White -Research Associate Dr. Rocky Lemus - Forage Extension Specialist Dr. David Lang- Forage Research Profressor. Acres Distribution . Summer Annuals Sorghum, corn silage, etc = 59,312

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Overview of the Forage Testing Program at Mississippi State University

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  1. Overview of the Forage Testing Program at Mississippi State University Mr. Joshua A. White-Research Associate Dr. Rocky Lemus- Forage Extension Specialist Dr. David Lang- Forage Research Profressor

  2. Acres Distribution • Summer Annuals • Sorghum, corn silage, etc = 59,312 • Tall Fescue = 175,320 • Annual Ryegrass = 543,667 (prepared bed and overseeded) • Marshall ryegrass- 60% • Small Grains = 154,433 • Oats and Cereal rye

  3. Acres Distribution • Bermudagrass • Hay = 345,928 • Pasture = 423,671 • Bahiagrass • Hay = 244,621 • Pasture = 658,536 • Dallisgrass Pasture = 136,586

  4. Goals of Forage Program • To develop sustainable forage production systems. • Increase production efficiency. • Initiate and evaluate new forage varieties for adaptation to stress and grazing pressure. • Evaluate market and profitability of production systems. • Evaluate value added opportunities of existing forage systems.

  5. Forage Species Evaluated in Mississippi State Variety Testing • Bermudagrass • Bahiagrass • Sorghum • Teffgrass • Crabgrass • Ryegrass • Small Grains • Alfalfa • Round-up Ready • Conventional • Clovers • Annual • Perennial • Tall Fescue

  6. Method • Planted-6x11 Plots • Harvested- Z turn mower with bagging system (52 inch swath) • When plots are 12-15 inches tall or every 30 days • Fertilized- According to soil recommendations and 50 lbs of N after each harvest

  7. Holly Springs • Tylertown

  8. Historical Variety Trial Data • 1987-2010 • Ryegrass • Bermudagrass • Bahiagrass • SAS Program Proc GLIMMIX • Data from MAFES Forage Variety Trials

  9. Ryegrass • Years- 1989-2010 • Ploidy- Tetraploid, Diploid • Ploidy x Location (p=0.0239) • Locations- Tylertown, Poplarville, Starkville, Newton, Raymond, Prairie and Pontotoc • Varieties-45 • Variety x Location (p=.0001)

  10. Diploid vsTetraploid lbs ac⁻¹

  11. Variety Performanceby Location

  12. Bahiagrass • Yield Data 2001- 2010 • Varieties- Tifton 9, Sand Mountain, Argentine, Pensacola • Varieties (p=0.0008) • Location – Starkville • New Varieties - Tiff Quick, UF Riata

  13. Bahiagrass Yields in Starkville, MS

  14. Bermudagrass • Type- Seeded and Hybrids • Type (p=.0004) • Locations- Pontotoc, Poplarville, Prairie, Raymond, Starkville • Location (Type) (p=.0043) • Location (Varieties) (p=.0001) • Varieties- 40 • Varieties (p=.0203) • Years- 1988-2010

  15. Hybrid vs Seeded Bermudagrass yields pooled from locations

  16. Bermudagrass mean yields by location

  17. Bermudagrass yields by location and type

  18. Hybrid varieties means by location

  19. Variety Improvement and its Impact

  20. Questions ?

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