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Julio Medal 1 , Bill Overholt 1 , Nikary Bustamante 1 , Rodrigo Díaz 1 , Philip Stansly 1 , Amy Roda 2 , Divina Amalin 2 PowerPoint PPT Presentation


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Implementation of Biological Control of Tropical Soda Apple. Julio Medal 1 , Bill Overholt 1 , Nikary Bustamante 1 , Rodrigo Díaz 1 , Philip Stansly 1 , Amy Roda 2 , Divina Amalin 2 Richard Gaskalla 3 , Ken Hibbard 3 , Brent Sellers 1 , Stephen Hight 4 , & James Cuda 1

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Julio Medal 1 , Bill Overholt 1 , Nikary Bustamante 1 , Rodrigo Díaz 1 , Philip Stansly 1 , Amy Roda 2 , Divina Amalin 2

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Implementation of Biological Control of Tropical Soda Apple

Julio Medal1, Bill Overholt1, Nikary Bustamante1,

Rodrigo Díaz1, Philip Stansly1, Amy Roda2, Divina Amalin2

Richard Gaskalla3, Ken Hibbard3, Brent Sellers1,

Stephen Hight4, & James Cuda1

1University of Florida

2USDA-APHIS

3FDACS-DPI

4USDA-ARS


Tropical Soda Apple, Solanum viarum

(Family: Solanaceae)

-Native to South America

(Brazil, Argentina, Paraguay)

-First found in Florida in 1988

->1 million acres in 11 states


States infested (green) with Tropical Soda Apple


Osceola County

Hendry County

Brazil

Argentina


Gratiana boliviana

Adult Egg Larva Pupa


Florida counties where beetles have been released (green)


Okeechobee County

June 02, 2005Beetles Released

July 7, 2005After Beetles Released

August 23, 2007 After Beetles Released


Polk County

May 2003

June 2007


Sumter County

August 15, 2005Before Beetles Released

August 14, 2007After BeetlesReleased


Sumter County

June 2006

June 2007


Okeechobee County

May 18, 2006Beetles Released

August 23, 2007After Beetles Released


Post Release Evaluations in Florida

-Monitoring

-Mark plants and quadrants at each location

-Changes in the target weed and Biocontrol agent recorded


Additional Biocontrol AgentsMetriona elatior

Adult Eggs Larva


Additional Biocontrol AgentsGratiana graminea

Adult Egg LarvaPupa


Additional Biocontrol AgentsAnthonomus tenebrosus

Egg

Adult


Open Field Experiment in Brazil with Platyphora sp. (Family: Chrysomelidae)

Platyphora sp.

TSA, eggplant, potato,pepper, tomato


Brazilian Collaborators


Plans For 2008

  • Increase Beetle Production

  • Additional Field Releases

  • Continue Post-Release Evaluations

  • Conclude Field-Tests in Brazil with an additional Agent (Platyphora sp.)


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