Slide Presentation

TITLE    (click title to view slides)
New and Emerging Weed Problems & HADSS

AUTHOR
Dr. Eric P. Prostko
Extension Weed Specialist
University of Georgia
Tifton, GA

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TABLE OF CONTENTS
  1. New and Emerging Weed Problems & HADSS
  2. New or Emerging Weed Problems
  3. Tropical Spiderwort
  4. Tropical spiderwort: How bad is it?????
  5. Florida Pusley
  6. Groundcherry
  7. Hophornbeam copperleaf
  8. Eclipta
  9. Carpetweed
  10. Purple Moonflower
  11. Pink Purslane
  12. Spurges
  13. HADSS: Herbicide Application Decision Support System



SLIDE CONTENTS
  1. New and Emerging Weed Problems & HADSS Eric Prostko Extension Weed Specialist University of Georgia Southern Peanut Grower’s Conference, 2004
  2. New or Emerging Weed Problems Weed shifts Some we know a lot about, some we don’t Why does this occur? Changes in tillage changes in herbicide use patterns
  3. Tropical Spiderwort row spacing * twins vs. singles residuals * Dual Magnum POST’s * Gramoxone Max * Cadre * Basagran * Pursuit * Strongarm
  4. Tropical spiderwort How bad is it????? Grady County, GA (2004)
  5. Florida Pusley Why??? No DNA used lack of activation tie up on residue untimely POST’s the R word? extreme measures Prowl, Sonalan, Dual Magnum, Strongarm, and Valor Gramoxone Max
  6. Groundcherry 3 common species cutleaf (annual) smooth (perennial) clammy (perennial) little information is known cutleaf control Dual/Outlook Strongarm/Valor? Ultra Blazer SWSS SWSS cutleaf
  7. Hophornbeam copperleaf western counties more on roadsides easily controlled with Strongarm, Valor, and Ultra Blazer
  8. Eclipta Does well in wet, cool conditions should not be a problem in peanuts soil-applied Strongarm, Valor, Spartan postemergence Basagran. Blazer, Storm
  9. Carpetweed Not very competitive? Soil-applied Prowl, Sonalan, Dual, Strongarm, Spartan postemergence from Grichar 2,4-DB (58%) Cadre (80%) Storm (95%) Basagran (33%) Blazer (100%) SWSS SWSS
  10. Purple Moonflower Limited data paraquat + Storm Ultra Blazer Cadre (?????) SWSS
  11. Pink Purslane Limited data soil-applied Sonalan, Prowl, Dual, Valor postemergence paraquat + Storm or Basagran Basagran, Blazer, Storm, 2,4-DB
  12. Spurges Several species hyssop, spotted, prostrate, nodding limited data Valor Ultra Blazer Storm
  13. HADSS Herbicide Application Decision Support System First released in 1988 as HERB (DOS) 1997 became HADSS (Windows) Computer assisted herbicide decisions postemergence Web-based version is free Can be purchased for $95 time input for scouting and data entry http://www.hadss.com