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Biological Control Modified Banker Plants
L.S. Osborne
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ModifiedBanker Plants
Summary

• Aphids
• Leafminers ?
• Mealybugs ?
• Mites
• Thrips
• Whiteflies

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Whiteflies
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Bemisia or Silverleaf whitefly

• BP Papaya
• AH Papaya whitefly
• NE Encarsia transvena and PFR

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Paecilomyces fumosoroseusPFR-97 Apopka
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Papaya Leaf
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Poinsettia Stock Plants Whitefly Infestation
6 months after introducing one banker plant
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Healthy Immature Whiteflies
Control plants treated with Marathon on wks 3,5
and Flagship on wk 6. Everything with Milstop on
wk 10.
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Banker
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Honeydew
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MITES

• BP Corn
• AH Banks grass mite
• NE Stethorus spp., Feltiella acarisuga,
  Scolothrips sexmaculatus, Galendromus
  occidentalis, Neoseiulus californicus, or
  Phytoseiulus persimilis

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Tetranychus urticae
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Broad Mite
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Mite Programsare Successful!
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Phytoseiulus persimilus
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N. californicus
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Growers Would Rather Buy What They Need
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REARING
COMMERCIALLY PRIVATELY COOPERATIVELY
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Clean Host Plants
Isolation Area 1
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Isolation Area 2
Infested Host Plants
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Isolation Area 3
Infest with Natural Enemies
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THRIPS

• BP Pollen Producing Plants or
• Grain
• AH Stored Product Mite or
• Pollen
• NE Amblyseius swirskii, A. cucumeris, Orius

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Banker System (without a plant)
Amblyseius swirskii
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A sachet contains bran, Carpoglyphus lactis
(Dried Fruit Mite or Sugar Mite) and the
predatory mite A. swirskii.
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Amblyseius swirskii
Status Days alive Total CT eaten Average/Day Eggs Laid
Unmated females 18 16.2 5.3 0.3 0.1
Mated females 15 16.4 17.9 1.1 4.1
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Control of Chilli ThripsChilly Chili Pepper
N20 5 plants/Unit 4 Units/treatment
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Bio-control in Action

• Pepper plants to establish and support Orius.
  Plants kept together at first

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Bio-control in Action

• Removing the set fruit once a month

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Bio-control in Action

• Pepper plants to establish and support
  Orius(another location)

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Bio-control in Action

• Plants with Orius also used outside

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Other Topics

• IST-Banker Plants
• Web-Page
• Biological Control Working Group

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Banker Plant Website(s)

• mrec.ifas.ufl.edu/lso/banker-plants/media/
• mrec.ifas.ufl.edu/lso/banker-plants

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Thank you!
RESEARCH SUPPORTED BY