complete fruit fly management - citrus australia · current trap designed for qff . field trials...
TRANSCRIPT
Background
Prof. Dick Drew AM;
Emeritus Prof. Griffith University
50 years in fruit fly research in Asia Pacific
140 scientific papers & monographs covering
taxonomy, ecology & pest management of
tropical pest fruit flies
Needs across Australia
On-farm control
Area freedom for export
Managing many major pest species
Seven in eastern/northern Australia
Medfly in WA
Underpinning Knowledge
Over six decades of research on Qld
Fruit Fly (QFF)
Thorough understanding of behaviour in
host plants/orchards
Great platform for development of control
strategies
New Synthetic Female Lure
Chemical analyses of fruit volatiles
Identified and tested chemicals on QFF
Result - combination of chemicals
highly attractive to mature female QFF
Field Testing
Five years – over 30 in-field experiments
Major result – greater than 90% of fruit flies
trapped were mature egg-laying females
Five major field control trials
Protein Bait Spray Research
Two yeast-based baits – Natflav & Bugs For
Bugs
Natflav surpasses Bugs For Bugs for attracting
female fruit flies
Gel formulations – three-fold increase in toxicity
over six days’ weathering
Recommended Technologies
Fruition traps – mature females
Gelatinised Natflav protein bait – immature
females
Combination targets entire female population
Current trap designed for QFF
Field trials – Farm 1
Kensington Pride mango plantation
One Fruition trap/tree
2.8% crop loss vs 25% in untreated
trees
Kensington Pride mango plantation
Fruition Traps – Monitoring only
Weekly Gel Natflav sprays
January 2016 - EcoNaturalure – Grower estimate 50% crop loss
January 2017 - No Crop Loss
Feijoa plantation
Fruition Traps + Gel yeast bait
2% crop loss vs 96% in untreated trees
Field trials – Farm 2
Persimmons
540 trees (trellised)
1.2 Ha.
40 Fruition Traps
Weekly Gel Natflav Sprays
2016 – Grower estimate 30% crop loss
27/2/2017 – No Damage
Field trials – Farm 2
Conclusion
Fruition - completes fruit fly management
Fully research-based
Outstanding impact on managing fruit fly
problems