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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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PLANT PEST
Early symptoms of Panama disease are yellowing leaves that collapse into a ‘skirt’.Dr Luadir Gasparotto, Embrapa, PaDIL.
Panama disease Tropical Race 4Restricted distribution in Northern Territory and Queensland (under quarantine control)Features: Soil-borne fungal disease that causes…
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Our National Priority Plant Pests (NPPP) list highlights the threats Australia faces from plant pests and diseases.The NPPP guides national action and investment of public funds to address these threats. This effort often has broader benefits to the system than just in preparedness for the specific…
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PLANT PEST
Grains of wheat infected with Karnal buntL.A. Castlebury USDA-ARS SBML, PaDIL.
Karnal buntExotic to AustraliaFeatures: A fungal disease that causes broken hollow (bunted) grain, powdery masses of dark spores, and a strong fishy odourWhere it's from: India originally, but now also…
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PLANT PEST
Huanglongbing causes uneven mottling across leaves leading to the eventual death of the citrus plant.M.E. Rogers, UFL, idtools.org.
Huanglongbing and vectorsExotic to AustraliaFeatures: A bacterial disease that causes yellowing, blotchy mottling, and unseasonal leaf flushing,…
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PLANT PEST
Myrtle rust symptoms on leaves.D.T. Junghans Embrapa, PaDIL.
Myrtle (eucalyptus) rust (exotic strains)Exotic to AustraliaFeatures: A fungal infection that causes brown to grey lesions often surrounded by yellow sporesWhere it's from: Central America and Caribbean, United States, South…
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PLANT PEST
The melon fruit fly is one of the exotic species that threaten Australia’s production of fruit and vegetables.Florida Division of Plant Industry, Florida Department of Agriculture and Consumer Services, Bugwood.org.
Fruit flies (exotic)Exotic to Australia. Mediterranean fruit fly is…
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PLANT PEST
Spongy moth infesting a tree trunk. Note the dark yellow egg masses.Karla Salp, Washington State Department of Agriculture, Bugwood.org.
Spongy mothExotic to AustraliaFeatures: Medium sized moths that infest and destroy many kinds of plants; large hairy caterpillars up to 7 cm…
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PLANT PEST
Exotic bee species look similar to everyday honey bees, but can carry pests and diseases, or take over our honey bee hives. Left is Asian honey bee; centre is everyday honey bee; right is the giant honey bee.Ken Walker, Museum Victoria, PaDIL.
Bees (Apis spp.) (exotic species)Exotic to…
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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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