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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


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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


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States infested (green) with Tropical Soda Apple


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Osceola County

Hendry County

Brazil

Argentina


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Gratiana boliviana

Adult Egg Larva Pupa


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Florida counties where beetles have been released (green)


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Okeechobee County

June 02, 2005Beetles Released

July 7, 2005After Beetles Released

August 23, 2007 After Beetles Released


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Polk County

May 2003

June 2007


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Sumter County

August 15, 2005Before Beetles Released

August 14, 2007After BeetlesReleased


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Sumter County

June 2006

June 2007


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Okeechobee County

May 18, 2006Beetles Released

August 23, 2007After Beetles Released


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Post Release Evaluations in Florida

-Monitoring

-Mark plants and quadrants at each location

-Changes in the target weed and Biocontrol agent recorded


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Additional Biocontrol AgentsMetriona elatior

Adult Eggs Larva


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Additional Biocontrol AgentsGratiana graminea

Adult Egg LarvaPupa


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Additional Biocontrol AgentsAnthonomus tenebrosus

Egg

Adult


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

Platyphora sp.

TSA, eggplant, potato,pepper, tomato


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Brazilian Collaborators


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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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