1. Zebra Chip An Australian Perspective Kevin Clayton-Greene 1

2. Zebra Chip Infected Crisps on Left 21

3. Adult Psyllid with Eggs Photo Courtesy Plant and Food NZ 32

4. Pysllid Nymphs Courtesy Plant and Food NZ 43

5. Described Mexico 1994 Texas 2000 NZ 2006 Now throughout Central and North America into Canada 54

6. Adult Psyllids 65

7. Pysllid Eggs On Leaf Margin 76

8. TPP Nymphs on Underside Of Leaf 87

9. Close Up of Yellow Leaves Due To Psyllid Feeding 98

10. Field Tomatoes Infested with Psyllids 109

11. Potatoes Showing Pysllid Damage 1110

12. Chaining Caused by Pysllid Feeding 1211

13. Pink Stolon End Due to Liberibacter Infection Photo Frank Mulcahy 1312

14. Inside Of Same Potato Photo Frank Mulcahy 1413

15. Internal Discolouration from Liberibacter Infection Photo Paul Horne 1514

16. Verticillium 1615

17. Liberibacter 1716

18. Blackleg 1817

19. Psyllid Feeding 1918

20. Rhizoctonia 2019

21. Liberibacter 2021

22. Liberibacter Infected Plant 2221

23. AUSTRALIAN WORK OBSERVER STATUS IN NZ R&D PROGRAM PEST CATEGORISATION CONTINGENCY PLAN FACT SHEET SIMPLOT GROWER WORKSHOPS DIAGNOSTIC PROTOCOLS MONITORING PROGRAM IPM OPTIONS 23

24. 2422

25. DIAGNOSTICS FIONA CONSTABLE KNOXFILED EARLY, RAPID AND ACCURATE DIAGNOSIS THINK WHAT HAPPENS WHEN A NEW DISEASE IS SUSPECTED, QUARANTINING, TRADE EMBARGOES VERY COSTLY IN MANY CASES MATERIAL HAS TO BE SENT OVERSEAS EG FIREBLIGHT IN 1990’S ALL TAKES TIME PROJECT BEGUN AT HRI KNOXFIELD TO DEVLOP A DIAGNOSTIC PROTOCOL FROM NZ WORK 25

26. DIAGNOSTICS (CONT) BASED ON NZ WORK OF IAN SCOTT THIS IS PCR AND INVOLVES DNA EXTRACTION AND MULTIPLICATION DNA UNIQUE TO ORGANISM BUT NEED TO VERIFY THAT TEST WORKS AND HAVE BASE DATA TO COMPARE WHEN AN INCURSION OCCURS PCR RELIES UPON HOW DNA IS COPIED AND THEREFORE USES A TECHNIQUE WHICH BY INTRODUCING A CHEMICAL THAT ONLY COPIES THE PEST DNA MEANS THAT ONE PIECE OF PEST DNA CAN PRODUCE A TRILLION COPIES 26

27. DIAGNOSTICS (CONT) TEST HAS BEEN VALIDATED SO FAR OVER 200 SAMPLES TESTED FROM SE AUSTRALIA 27

28. Symptoms on Plants With Phytoplasma Photo Fiona Constable 2823

29. Aerial tubers Photo Fiona Constable 2924

30. MONITORING CALUM WILSON YELLOW STICKY TRAPS LATE STARTING – TIMING IS IMPORTANT ONLY NATIVE PSYLLIDS FOUND 30

31. IPM PAUL HORNE, JESSICA PAGE WORK IN NZ 3 SPP IN COMMON MANY OTHERS IN AUST SFTER CHEMISTRY LOOKING PROMISING FULL SCALE TRIALS NEXT YR 31

32. Ladybird Larvae Photo Paul Horne 3225

33. Damsel Bug Photo Paul Horne 3326

34. FUTURE ETERNAL VIGILANCE NO WAY OF PREDICTING WHEN TOMORROW OR IN 20YRS NEVER? ONLY A NARROW WINDOW FOR ERADICATION IF IT COMES SOME WILL GO OUT OF BUSINESS STILL A LOT TO LEARN WE MUST KEEP UP WITH WHATS BEING DONE ELSEWHERE 34

35. ACKNOWLEDGEMENTS HAL AUSVEG POTATOES NZ PLANT AND FOOD NZ 35

36. ANY QUESTIONS 36