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Karnal bunt

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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Plum pox virus

PLANT PEST Fruit infected with plum pox virus is often marked with spots or rings.EPPO, Bugwood.org. Plum pox virus (sharka)Exotic to AustraliaFeatures: Plum pox virus is the most devastating viral disease of stone fruit in the world, deforming fruitWhere it’s from: Europe, Africa, Asia, North…
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Pine pitch canker

PLANT PEST Pine pitch canker has infected the middle tree in this image,causing oozing and saturation with resin.Miloň Dvořák, EPPO. Pine pitch cankerExotic to AustraliaFeatures: Fungal disease of all pine species and Douglas fircausing ‘bleeding’…
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Texas root rot

PLANT PEST Texas root rot causes patches of dead and dying plants, here in a cotton field.Chris Anderson, NSW DPI. Texas root rotExotic to AustraliaFeatures: Soil borne fungal disease that causes sudden wilt and deathin many plant species.Where it’s from: Southwest USA, Mexico, Venezuela, and…
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Invasive snails (exotic species)

PLANT PEST The giant African snail is one species of exotic invasive snails that would damage crops and the environment if it established here. Pest and Diseases Image Library, Bugwood.org. Invasive snails (exotic species) Exotic to AustraliaFeatures: A number of snail species including…
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Fruit flies (exotic)

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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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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Ug99 wheat stem rust

PLANT PEST Ug99 is the name given to a type of fungal infection that is deadly to grains and would see our grain rejected by overseas markets.Sabine Werres BBA, Braunschweig, Germany, PaDIL Ug99 wheat stem rustExotic to AustraliaFeatures: A fungal pest causing wheat stem rust that could cause…
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Grape phylloxera

PLANT PEST Grape phylloxera is tiny—less than 2mm in length—and feeds on roots of grapevines.Biolog. Bundesans., Inst. f. Pflanzenschutz im Weinbau , Bugwood.org Grape phylloxeraSome strains are present in parts of Australia and are under management in…
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Stink bugs

PLANT PEST Brown marmorated stink bug. Ken Walker, PaDIL. Yellow-spotted stink bug Stink bugsExotic to AustraliaFeatures: These stink bugs hitchhike to new areas on or in imported goods or within packing spaces and if established would eat crops and ornamental plants; become a nuisance in…
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