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Septoria spot on external orange fruit surface showing characteristic small spots

Septoria spot of citrus: declared pest

28 November 2013

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.

Septoria spot on external orange fruit surface showing characteristic small spots. Photo © NSW Department of Primary Industries.

Septoria spot of citrus: pest data sheet

25 February 2014

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.

Symptoms of Citrus black spot on oranges

Citrus black spot: declared pest

2 April 2014

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.

Pink disease on citrus stem. The white and pink material shown is the fungus which has produced an encrusted growth on the stem.

Pink disease of citrus: declared pest

1 May 2014

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.

Erythricium salmonicolor growth on citrus stem showing the white-pink-grey coloured hyphal mass

Pink disease of citrus: pest data sheet

1 May 2014

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.

Fruit symptoms of dry rot. Photo courtesy of Dr Roger Shivas, DPIF 2005.

Dry rot of citrus: declared pest

29 May 2014

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.

Fruit symptoms of dry rot. Photo courtesy of Dr Roger Shivas, DPIF 2005.

Dry rot of citrus: pest data sheet

29 May 2014

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

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Healthy citrus

22 January 2014

Most citrus fruit are well suited to the climatic conditions of the Perth metropolitan area and south west, Western Australia.

Types of citrus with the blue sticker and WA birthmark symbol

Markets for WA citrus

20 November 2013

Almost all of WA citrus fruit is sold in the local market. Fruit has been sent to export markets since 2015 and is increasing.

Cottony cushion scale on young citrus tree

Citrus pests, diseases and disorders

8 November 2013

Western Australia has a low prevalence of citrus pests and diseases compared to most other countries.

Types of citrus with the blue sticker and WA birthmark symbol

Citrus pests

18 December 2013

Find out more about the most common insect pests of citrus trees occurring in home gardens in Western Australia and their control using natural or low toxic chemical controls.

The Department of Agriculture and Food is asking the community to look out for and report signs of citrus gall wasp.

Citrus gall wasp in Western Australia

2 July 2014

Citrus gall wasp (Bruchophagus fellis) is a pest of citrus trees. Discovered in the suburb of Eden Hill in 2013 it is now an established pest in Perth.

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