1 / 18

Weed Management Practices Utilized by “Top” Peanut Producers in Georgia (2005-2006)

Weed Management Practices Utilized by “Top” Peanut Producers in Georgia (2005-2006). E. P. Prostko and J.P. Beasley The University of Georgia Cooperative Extension. WSSA-2008. 1,230,000 acres planted in US 43.1% in GA. Peanut Weed Problems in Georgia Top 10 Most Troublesome Weeds (1-5). 3.

riona
Download Presentation

Weed Management Practices Utilized by “Top” Peanut Producers in Georgia (2005-2006)

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Weed Management Practices Utilized by “Top” Peanut Producers in Georgia (2005-2006) E. P. Prostko and J.P. Beasley The University of Georgia Cooperative Extension WSSA-2008

  2. 1,230,000 acres planted in US 43.1% in GA

  3. Peanut Weed Problems in GeorgiaTop 10 Most Troublesome Weeds (1-5) 3 1 2 SWSS 5 4 5 SWSS

  4. Peanut Weed Problems in GeorgiaTop 10 Most Troublesome Weeds (6-10) 8 7 6 SWSS 9 10 SWSS

  5. Fungicides are applied 4-7 times/year. Will Duffie, 2006

  6. Peanut Harvesting (2 step process)Digging/Inverting

  7. Peanut Harvesting (2 step process)Combining

  8. Georgia Peanut Achievement Club • UGA Cooperative Extension • Syngenta • Since 1950 • Educational/recreational program to recognize top peanut growers in the state. • Also known as…… • One Ton Per Acre Peanut Club • Peanut Money Maker Club

  9. Information Obtained from Growers • Acres/yield • Rotation • Varieties • Row pattern • Seeding rate • Planting date • Nematodes • Thrips • Soil/Foliar insects • Tillage • Weed control • Fungicides • Irrigation

  10. Georgia Peanut Achievement Club

  11. How good are these growers?Peanut Yields +1516 +2359 +2235 +1367

  12. Tillage Methods • Conventional • 2005 – 91% • 2006 – 92% • Strip-Tillage • 2005 – 9% • 2006 – 8% • Associated Problems • weed shifts • reduced performance of DNA herbicides

  13. Tropical spiderwort (Bengal dayflower) Palmer Amaranth

  14. Row Patterns • Single Row • 2005 – 33% • 2006 - 8% • Twin Row • 2005 – 67% • 2006 – 92% • Why?? • 10-15% increase in weed control associated with row patterns • 300-500 lb/A yield increases • 1-2% increase in grade ($10/ton) • Reductions in TSWV Single Row Twin Row

  15. Ethalfluralin (Sonalan) or Pendimethalin (Prowl) • 2005 • Sonalan – 86% • Prowl – 10% • 2006 • Sonalan – 83% • Prowl – 8%

  16. Other Herbicides Used - %

  17. How do the “top” peanut growers in Georgia manage weeds? • conventional tillage • twin-rows • ethalfluralin (Sonalan) • diclosulam (Strongarm) and/or flumioxazin (Valor) • imazapic (Cadre/Impose) • 2,4-DB (Butyrac/Butoxone)

  18. www.gaweed.com

More Related