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National Xylella Action Plan

 The bacteria Xylella is Australia’s number 1 pest threat.There are over 700 plant host species including native, commercial and ornamental plants.The National Xylella Action Plan 2019–2029 is a nationally agreed approach to: prevent Xylella and its exotic vectorsprepare for a response if…
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Potato cyst nematode (exotic strains)

PLANT PEST Potato cyst nematode produces characteristic cysts on plant roots. This is a close up of cysts that measure only 0.5 mm across.Gordon Berg, DPI Victoria, PaDIL. Potato cyst nematode (exotic strains)Exotic to Australia (white potato cyst nematode), or under management (golden potato…
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Sudden oak death (airborne Phytophthora spp.)

PLANT PEST Leaf blight and shoot dieback on rhododendron caused by sudden oak death.Credit: Sabine Werres BBA, Braunschweig, Germany, PaDIL Sudden oak death (airborne Phytophthora spp.)Exotic to AustraliaFeatures: A disease caused by airborne species of the fungus-like organism Phytophthora that…
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2019-65 - Horticulture Exports Program – Temporary suspension of exports to New Zealand for all fresh cucurbit species for consumption produced in Queensland

16 December 2019 Purpose This Industry Advice Notice (IAN) is to advise industry that exports of fresh cucurbit species produced in Queensland are temporarily suspended to New Zealand, following a positive detection of Cucumber Green Mottle Mosaic Virus (CGMMV) from Queensland’s CGMMV Pest Free…
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2018-38 - Horticulture Exports Program – Prohibition of CGMMV host fruit to New Zealand

​​​​​​​16 August 2018PurposeThe purpose of this Industry Advice Notice (IAN) is to advise industry that exports of Cucumber Green Mottle Mosaic Virus (CGMMV) host commodities to New Zealand are…
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9. Giant or Hedge grasshopper: Valanga irregularis (nymph)

​Nymph description 9 of 15 Distribution Nymph Description: Colour is very variable. Early instars tend to be green to brown with variable strong…
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5. Other Austroicetes species

​Adult description 5 of 15 Size: Females 20 to 35 mm, males 10 to 25 mm Adult Description: There are 9 named species in this genus, most sharing their range…
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Cucurbitaceous vegetable seeds

We have completed a review of import conditions for cucurbitaceous vegetable seeds for sowing. When we conduct a review of import conditions, we: review the science on pests of concern assess and analyse biosecurity risks develop risk management measures, if required consult the public on…
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Citrus canker

PLANT PEST Citrus canker infected fruit, stems and leaves.Timothy Schubert, Florida Department of Agriculture and Consumer Services, Bugwood.org. Citrus cankerExotic to Australia, previous incursions have been eradicated from AustraliaFeatures: A bacterial disease that causes significant damage…
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‘Candidatus Liberibacter solanacearum’ complex

PLANT PEST Potato tubers infected with Candidatus Liberibacter solanacearum (Image: Joseph E Munyaneza, USDA-ARS) The tomato-potato psyllid (Bactericera cockerelli) is the insect needed to spread the bacterial infection causing Zebra chip. The tomato-potato psyllid (but not the bacterial…
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