Blueberry IPM in Florida Oscar E. Liburd, PhD Associate Professor
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Transcript of Blueberry IPM in Florida Oscar E. Liburd, PhD Associate Professor
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Blueberry IPM in Florida
Oscar E. Liburd, PhD
Associate Professor
Entomology and Nematology Department University of Florida
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Chronological Order of Blueberry pests
Blueberry bud mite
Cranberry fruitworm
Blueberry gall midge
Flea beetle
Flower thrips
Spotted wing drosophila
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Flower Thrips, Frankliniella bispinosa
Ovipositional Injury
•Travel along wind currents• Multiple generations per year
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Size of thrips populations in relation to flower phenology
Days after blooming
0 5 10 15 20 25
Ave
rag
e #
of T
hri
ps c
ap
ture
d
0
50
100
150
200
250
x column 1 vs y column 1 Col 1 vs Col 2
10 70 20901
Percentages of opened flowers
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Flower thrips (left); Chilli thrips (right) (Scirtothrips dorsalis)
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Injuries resulting from chilli thrips
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Management of thrips
Monitoring for adultsWhite sticky boardsfloral tapping on white paper
Conventional insecticidesDelegate 3-6 oz per acre (biological Insecticide)
Malathion (organophosphate)
Assail (Neo-nicotinoid) Organic insecticide
Entrust
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Blueberry gall midge, Dasineura oxycoccana (Johnson)
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Blueberry gall midge
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Management of blueberry gall midge
Monitoring for adult emergenceBucket traps
Conventional insecticidesDelegate 3-6 oz per acre (Biological Insecticide)
Malathion (organophosphate)
**Assail (Neo-nicotinoid) Organic insecticide
Entrust, Pyganic
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Blueberry bud mite, Acalitus vaccinii (Keifer)
The mite is whitish, elongate and very small (1/125 of an inch long)
Feeds on the under-scale of buds
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Blueberry bud mite injury
Bud scale under dis Mcro.
Confused with frost damage Fewer fruits with Pimpeling
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Management of blueberry bud mite
Removal of infected branches through pruning
Pruning old canes
Post-harvest application insecticide/miticides such as endosulfan
Summer oils
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Cranberry Fruitworm, Acrobasis vaccinii Riley
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Cranberry Fruitworm
Larvae are light green with a dark head capsule
Mature larvae are about ½ inch in length
Silk webbing
deformed
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Management of cranberry fruitworm
Monitoring for adults
Conventional Insecticide
Delegate
Assail
Confirm 2F (tebufenozide)
Organic Insecticide
Entrust
Bacillus thuringiensis (Bt)
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Blueberry maggot
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Management of blueberry maggot
Monitoring for adults
Conventional Insecticide
Assail
Imidan
Organic Insecticide
Entrust
Monitoring trap for BMF
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Several generations per year
Larvae develop inside fruit Fruit becomes soft and un- marketable
Spotted Wing Drosophila
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Management of Spotted Wing Drosophila
Monitoring for adults
Conventional Insecticide
Delegate
Mustang
Organic Insecticide
Entrust
Monitoring trap for SWD
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Bait Solution Spotted Wing Drosophila
Yeast-Sugar Bait Solution Recipe:
2 teaspoons of bakers yeast4 teaspoons of sugar2 cups of water Mix and pour ≈1 ½ inches of yeast bait into cup
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Flea beetles in Blueberry
Colaspis pseudofavosa Damage
Blueberry leaf beetle
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Flea beetles in Blueberry
Systena frontalis Damage
Red-headed flea beetle
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Management of flea beetles
Monitoring for adults
Conventional Insecticide
Assail
Mustang
Organic Insecticide
Entrust
Monitoring for flea beetles
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Common Beneficial Insects
Coleoptera
- Coccinellidae; lady beetles
- Carabidae; ground beetles
Aphids
thrips
Weed seeds
Lepidoptera eggs
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Bigeyed bug, Geocoris spp. Minute pirate bug, Orius spp.
Hemiptera
Common Beneficial Insects
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Green lacewingsHover or Flower flies
Common Beneficial Insects
Neuroptera Diptera
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Acknowledgements
Small Fruit and Vegetable IPM Lab
Florida Blueberry Growers Association for our funding research
(352) 273-3918
http://entnemdept.ufl.edu/liburd/fruitnvegipm/