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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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Presentation on theme: "Blueberry IPM in Florida Oscar E. Liburd, PhD Associate Professor Entomology and Nematology Department University of Florida."— Presentation transcript:

1 Blueberry IPM in Florida Oscar E. Liburd, PhD Associate Professor Entomology and Nematology Department University of Florida

2 Chronological Order of Blueberry pests Blueberry bud mite Cranberry fruitworm Blueberry gall midge Flea beetle Flower thrips Spotted wing drosophila

3 Flower Thrips, Frankliniella bispinosa Ovipositional Injury Travel along wind currents Multiple generations per year

4 Size of thrips populations in relation to flower phenology Percentages of opened flowers

5 Flower thrips (left); Chilli thrips (right) ( Scirtothrips dorsalis )

6 Injuries resulting from chilli thrips

7 Management of thrips  Monitoring for adults White sticky boards floral tapping on white paper  Conventional insecticides Delegate 3-6 oz per acre (biological Insecticide) Malathion (organophosphate) Assail (Neo-nicotinoid)  Organic insecticide Entrust

8 Blueberry gall midge, Dasineura oxycoccana (Johnson)

9 Blueberry gall midge

10 Management of blueberry gall midge  Monitoring for adult emergence Bucket traps  Conventional insecticides Delegate 3-6 oz per acre (Biological Insecticide) Malathion (organophosphate) **Assail (Neo-nicotinoid)  Organic insecticide Entrust, Pyganic

11 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

12 Blueberry bud mite injury Bud scale under dis Mcro. Confused with frost damage Fewer fruits with Pimpeling

13 Management of blueberry bud mite  Removal of infected branches through pruning  Pruning old canes  Post-harvest application insecticide/miticides such as endosulfan  Summer oils

14 Cranberry Fruitworm, Acrobasis vaccinii Riley

15 Cranberry Fruitworm Larvae are light green with a dark head capsule Mature larvae are about ½ inch in length Silk webbing deformed

16 Management of cranberry fruitworm  Monitoring for adults Conventional Insecticide Delegate Assail Confirm 2F (tebufenozide) Organic Insecticide Entrust Bacillus thuringiensis (Bt)

17 Blueberry maggot

18 Management of blueberry maggot  Monitoring for adults Conventional Insecticide Assail Imidan Organic Insecticide Entrust Monitoring trap for BMF

19  Several generations per year  Larvae develop inside fruit  Fruit becomes soft and un- marketable Spotted Wing Drosophila

20 Management of Spotted Wing Drosophila  Monitoring for adults Conventional Insecticide Delegate Mustang Organic Insecticide Entrust Monitoring trap for SWD

21 Bait Solution Spotted Wing Drosophila Yeast-Sugar Bait Solution Recipe: 2 teaspoons of bakers yeast 4 teaspoons of sugar 2 cups of water Mix and pour ≈1 ½ inches of yeast bait into cup

22 Flea beetles in Blueberry Colaspis pseudofavosa Damage Blueberry leaf beetle

23 Flea beetles in Blueberry Systena frontalis Damage Red-headed flea beetle

24 Management of flea beetles  Monitoring for adults Conventional Insecticide Assail Mustang Organic Insecticide Entrust Monitoring for flea beetles

25 Common Beneficial Insects Coleoptera - Coccinellidae; lady beetles - Carabidae; ground beetles Aphids thrips Weed seeds Lepidoptera eggs

26 Bigeyed bug, Geocoris spp. Minute pirate bug, Orius spp. Hemiptera Common Beneficial Insects

27 Green lacewings Hover or Flower flies Common Beneficial Insects Neuroptera Diptera

28 Acknowledgements Small Fruit and Vegetable IPM Lab Florida Blueberry Growers Association for our funding research (352)


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