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. Chronological Order of Blueberry pests. Blueberry bud mite. Blueberry gall midge. Flower thrips. Cranberry fruitworm. Spotted wing drosophila. Flea beetle. - PowerPoint PPT PresentationTRANSCRIPT
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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/