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Mites of the Tetranychidae family (commonly known as spider mites) include some important pests of economic concern to agriculture and forestry.

Septoria spot (Septoria citri) is a serious pest of citrus that can affect external fruit quality. This pest is not known to occur in Western Australia.

Little cherry disease [Ampelovirus Little cherry virus 2 (LChV-2)] is a serious pest of cherries that can affect fruit development and quality.

Ampelovirus Little cherry virus 2 (LChV-2) is one cause of little cherry disease (LCD) and is an exotic pest to Western Australia.

Septoria spot of citrus (Septoria citri) is an exotic disease to Western Australia. It is a serious pest that causes fruit blemishes, affecting saleability for the fresh fruit market.

Codling moth (Cydia pomonella) is a serious pest of apples and other pome fruit and has the potential to cause severe crop losses. This pest is not known to occur in Western Australia.

Citrus black spot (Guignardia citricarpa) is a fungal disease of citrus trees that can affect external fruit quality. This disease is not known to occur in Western Australia.

DDLS Seed Testing and Certification is responsible for administering the industry seed potato production schemes in Western Australia.

Pink disease (Erythricium salmonicolor) is a serious pest of citrus that can affect entire limbs and/or kill trees. This pest is not known to occur in Western Australia.

Pink disease (Erythricium salmonicolor) is an exotic pest to Western Australia. It is a serious disease of citrus than can result in yield losses due to limb and tree death.

Dry rot (Eremothecium coryli) is a serious pest of citrus that can affect fruit palatability and citrus rootstock seed production. This pest is not known to occur in Western Australia.

Dry rot (Eremothecium coryli) is an exotic pest to Western Australia.

The Department of Primary Industries and Regional Development Diagnostic Laboratory Services (DDLS) - Seed Testing and Certification provides a variety of services including seed testing, crop and

Myrtle rust is a serious disease that attacks and kills many plants belonging to the Myrtaceae family including eucalypts, bottlebrushes, paperbarks and peppermint trees.

DDLS Seed Testing and Certification offers a wide range of tests to assess the quality of your seed.

Information on how to collect a specimen, where to send it for identification and the precautions to consider before collecting any plant or animal specimens.

The Department of Primary Industries and Regional Development acts as the Registrar for the Industrial Hemp Act 2004 in Western Australia.

Citrus gall wasp is a pest that affects all citrus species. Citrus tree owners are encouraged to implement control measures on their property to reduce the threat to the citrus industry in Western

Onion smut (Urocystis cepulae) is a disease of onions. This disease is absent from Western Australia.

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