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Dutch elm disease

PLANT PEST Dutch elm disease causes leaf wilting in elm trees, which arecommonly planted in Australian cities and gardens.  Minnesota Department of Natural Resources, Bugwood.org Dutch elm diseaseExotic to AustraliaFeatures: One of the most devastating plant diseases in the world that…
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Fire blight

PLANT PEST Trees with fire blight look burnt. Bruce Watt, University of Maine, Bugwood.org Fire blightExotic to AustraliaFeatures: A fast spreading bacterial infection of rosaceous hosts, particularly apple and pear, affecting all parts of the treeWhere it’s from: Asia, Africa, North, Central and…
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Forest inventory for private native forestry, farm forestry and Indigenous forestry: sector reports

The 'Forest inventory for private native forestry, farm forestry and Indigenous forestry' project was developed under the 2018 National Forest Industries Plan [3.1 MB] Growing a Better Australia – A billion trees for jobs and growth. A key goal of the project is to improve the national description…
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Myrtle (eucalyptus) rust (exotic strains)

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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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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Spongy moth

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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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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