pest & disease survelliance & new technologies by rohan kimber
TRANSCRIPT
Pest & Disease Surveillance & New Technologies
Rohan Kimber & Jenny Davidson (SARDI)
Greg Baker & Helen DeGraaf (SARDI)
Kelly Hill (SARDI)
Les Zeller & Paul Kamel (USQ, QDAFF)
Monitoring air‐borne Pest & Diseases
On‐ground monitoring diseases Time consuming (crop inspections) Costs – consultants / staff / diagnostics Early warning – regional threats Accurate detection critical (thresholds)
New opportunities for pest & disease surveillance using new technologies & sensing systems
Broad scale surveillance (coordinated network)
Detect & report endemic or exotic incursions of fungal spores / insects in the field to the decision maker or grower community
Local (on farm) outbreaks Regional threats (e.g. rusts) National interests (biosecurity)
Project 2014 – New tools for field grains surveillance and diagnostics of high priority exotic pests
New technology & opportunities
Research & opportunities – Surveillance and New technologies
Smart Insect Trap – Pheromone
Les Zeller & Paul Kamel (USQ) Pheromone – targeted (stacking) Impact & digital sensors data transmission (telemetry) Smart data – GPS, meteorological Field testing 2016 – SARDI
this image (85 KB) is transferred from trap via telemetry < 1 seconds
trapwind
lure attraction range(pheromone plume)
exotic pest
endemic pest
Non-target pest
Smart trap – surveillance applications Single or multiple targets (pheromone stacking) Image (time stamp) – computer vision systems Near real‐time – web interface (smart phone) Network of traps – spatial resolution/migration patterns
New technology & platforms – Insect surveillance
Research & opportunities – Surveillance and New technologiesNew technology & platforms – Insect surveillance
Mixed Insect Trap – Active Suction (aphid) Burkard Manufacturing Co. (UK) High sampling rate (>200 l/min) 240V with 4‐8 pot carrousel 1.5m – localised monitoring (aphids) Field testing 2015 & 2016 – SARDI Proof‐of‐concept = GPA monitoring (PCR
assay Dr Kelly Hill, SARDI) Russian Wheat Aphid (incursion)
Burkard
Mixed Insect Trap – Smart Active Suction (aphid) Les Zeller (USQ) prototype 2016 12V solar powered fan suction Variable speed collection ‐ pressure sensor Mixed populations with carousel system (10 pots) Field testing spring 2016 ‐ SARDI
Systems being developed/ evaluated ‐ Engineering at Burkard & USQSuction insect traps (predominantly aphids) – localized monitoring
― Lab qPCR diagnostics (mixed populations)
• Burkard Manufacturing Co. prototype (240V AC), carousel system• USQ engineering (12V DC), Smart capture (& passive version)• Captures mixed sample (≥30% aphids) at 1.5m height.
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Burkard Manufacturing Co.Molecular detection ‐ qPCR diagnostics (mixed populations)• Kelly Hill – GPA primer design, WFT published primer• Helen DeGraaf – GPA & WFT identification & counting• Molecular Diagnostic Centre – Sample & assay processing
Target GPA WFT Removed Mock mixture Field sample
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New technology & platforms – Insect surveillance
Spore trapping
SARDI Marg Evans – 3 traps (cereals) EP, MN & SE Kimber – 5 traps (pulse/cereals) Sth – Nth Molecular Diagnostics Centre – qPCR assays
Interstate collaboration
Vic DEDJTR – 3 traps (cereals) [SARDI network] DPI NSW – 2 traps (Kurt Lindbeck) DAFWA modeling of data (canola & cereals)
Fixed location Adhesive tape (impact sampling) Retrospective analysis – DNA probes
Current status – Spore Trapping
Disease surveillance – Airborne spore trapping
The entire length of tape is placed onto a graduated perpex ruler to determine specific dates to cut/extract.
Each tape represents chronological capture. The start date/time is known and the sampling cycle is known (eg. 7‐day, 36‐day).
To examine spore capture at specific sample times, date segments must be cut, placed into tubes, DNA extracted, and specific primers used to identify target pathogens.
Disease surveillance – Airborne spore trapping
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20/3 04/4 19/4 04/5 19/5 03/6 18/6 03/7 18/7 02/8 17/8 01/9 16/9 01/10 16/10 31/10
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Date (dd/mm) for 2015 season
Spore trap tape DNA analyses 2015 ‐ Hart (SA)
NFNB
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Snapshot 1 Snapshot 2
Spore dispersal dynamics of a target is determined by its DNA that is quantified within specific samples (tape cuts) examined.
Here, two snapshots are highlighted where low and high ‘peaks’ of targets pathogens were identified.
The duplicate piece of tape for those specific dates are then examined under a microscope.
Spore trappingDisease surveillance – Airborne spore trapping
New technologies & platforms – Spore Trapping
New generation technology• High sampling efficiency & automation systems• Mobility (Ground vehicle, UAV etc.)• ‘Smart capture’ – GPS, environment or wind velocity triggers• Compatible or adaptable to rapid down‐stream diagnostics
• Lab‐based qPCR, or in‐field (‘real‐time’) detection: LAMP, TwistDX, biosensors, fiber optic sensing
Systems being developed/evaluatedA. Innovation in rapid detection of targets (in‐field)
i. Linkages to Prof Jon West (Rothamsted Research)ii. Linkages to PBCRC project 2112 (Dr Kelly Hill)
B. Smart Spore Trap (Miniature Virtual Impactor)i. Burkard prototype & Impactor trap (USQ)
C. Mobile Jet Spore Sampler (High sampling rate)
Rothamsted Research
Burkard
Burkard USQ
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B
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Burkard
Smart Spore Trap – Tape
Adhesive ‐ impactor Smart capture – GPS, temp, RH, time 12V solar power Microscopic/qPCR examination Field testing 2016 ‐ SARDI
Smart Spore Trap – MVI
Virtual impaction – dry or wet tube Rapid motorised carousel – 8 tubes Smart capture – GPS, temp, RH, time 12V solar power Downstream diagnostics – qPCR Field testing 2016 ‐ SARDI
Burkard
New technology & platforms – Disease surveillance
Research & opportunities – Surveillance and New technologies
Smart Mobile Jet Sampler – Spores
Smart capture – GPS, temp, RH, time 12V power ‐ vehicle Dry or liquid capture – 2ml DNA tubes High sampling rate – 500 l/min Two prototypes – Rothamsted (static)
& SARDI (mobile) Field and Wind‐tunnel testing 2016
Burkard
Principle concept & function of Mobile Jet Sampler• Vehicle mounted eg. courier/consultant/school bus• Assign sampling grids within route (‘Smarts’)• Index to corresponding vial within each GPS grid• Samples (vials) sent to lab for analysis
New technology & platforms – Disease surveillance
Mobile/Network surveillance of air‐borne spores
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GPS grid sampling example
Burkard
Support functions to Mobile Sampling• Results can be aligned to static (fixed) smart trap network
i. New smart spore samplersii. Standard spore traps
• Strategic response sampling (also validation process)i. Impact samplers – cheaper surveillance (in response
to incursion or to determine sampling protocols)
Spore samples
DNA-specific probes Highly specific, multiplex qPCR
Smart air samplers – mixed populations
Insect samples
Multi-vial (pot) carousel
Traffic light reporting – pests & pathogens Pathogen species composition - spores
Delivery ‐ Pest / Spore Detection & Reporting
http://www.syngenta-crop.co.uk/brassica-alert/ Courtesy Jon West - Annemarie Justesen, Aarhus University, Dk
Image analysis / recognitionData triage & downstream ID
biosecurity built on science
Thank you
Burkard
Jon West (Rothamsted Research) Stuart Wili (Burkard Manufacturing Co.) Helen DeGraaf (SARDI – Entomology) Greg Baker (SARDI – Entomology) Dr Kelly Hill (SARDI) Les Zeller (USQ ‐ NCEA) Paul Kamel (USQ ‐ NCEA)
Molecular Diagnostics Centre (SARDI) John Weiss (Vic DEDJTR) Marg Evans (SARDI) Jamus Stonar & Michelle Russ (SARDI) Tracey Brookes (MEA) Sarah Noack (Hart Field Site)