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Home , Citrange, Citrangequat, Citrumelo, Citrus australasica, Citrus australis, Citrus depressa

BIOSECURITY ALERT Help prevent the spread of canker

Citrus canker is a contagious bacterial disease which affects all citrus . has been identified in the Northern Territory (NT) and Western (WA) prompting a nationally coordinated response to eradicate the disease, with movement controls and quarantine measures in place to prevent further spread. How you can help Check your citrus plants (see overleaf for a list of plants which may be affected). All Territorians are asked to check their citrus plants for signs of citrus canker. Symptoms may include: • Small tan spots on , stems or which grow into raised, corky brown-grey blisters. • Spots may have a black, water soaked margin surrounded by a yellow halo (ring).

Images courtesy of Health Australia, Jeffrey W.Lotz ( Department of Agriculture and Consumer Services, bugwood.org) and New South Wales Department of Primary Industries Think you see signs of citrus canker? Do not collect samples, move or destroy the citrus plant as this can spread the disease. If you think you have come into contact with infected plant material when checking for signs of citrus canker: • do not touch any other citrus plants • wash clothing (including hats and gloves) in warm soapy water • clean footwear by removing plant and soil material with a brush and wash in a dilute bleach solution (1 part household bleach with 4 parts water) • rinse any gardening tools thoroughly in bleach Do you live or work in a restricted area? Movement controls and quarantine measures are in place to prevent further spread. Citrus plants and plant materials cannot be moved within, in to or out of restricted areas. Citrus canker will not affect people, animals or other non-citrus plants but if it’s allowed to spread it will affect Australia’s citrus industry and growers.

Contact us via: Citrus canker hotline: 1800 931 722 Email: [email protected] Web: Visit www.nt.gov.au/citruscanker for more information on the response BIOSECURITY ALERT Help prevent the spread of citrus canker

PREVENT THE SPREAD OF CITRUS CANKER IN THE NORTHERN TERRITORY.

Citrus canker can infect the following plant varieties: Citrus common to Darwin area Desert () Tachibana (Citrus tachibana) West Indian lime/ Mexican lime Evodia (Melicope denhamii) / (Citrus reticulata) (Citrus aurantiifolia) False foot of the turtle (Melicope Tankan mandarin (Citrus reticulata) Tahiti lime (Citrus latifolia) triphylla) Tooth-ache ( clava- lime (Citrus hystrix) Finger lime () herculis) (Citrus maxima) Hassaku (Citrus hassaku) Tosu sour orange (Citrus aurantium) (Citrus paradisi) Hong Kong (Fortunella Unshu Mandarin/ Satsuma (Citrus (Poncirus trifoliata) hindsii) reticulata) Kumquat (Fortunella japonica) (Citrus webberi) Wampee (Clausena lansium) Humpty Doo lime (Citrus gracilis) Khasi () Wild lime () Mandarin and (Citrus Langsat (Lansium domesticum) (Citrus junos) reticulata) aspen (Acronychia acidula) Orange varieties Citrus( sinensis) (Fortunella japonica X c. Scientific named plant varieties Lemon (Citrus limon) aurantiifolia) Acronychia wilcoxiana Meiwa sweet kumquat (Fortunella Atalantia spp. (except for Atalantia crassifolia) Non-citrus common to Darwin area ceylanica and Atalantia monophylla) (Citrus jambhiri) Lime berry (Micromelum minutum) sp. Mountain (Citrus aurantium) White sapote (Casimiroa sapota) Citropsis daweana Mount white lime (Citrus garrawayi) Langsat (Lansium domesticum) Citrus amblycarpa Native mock orange (Murraya Citrus benikoji ovatifoliolata) Other affected varieties Natsudaidai (Citrus aurantium) African cherry orange (Citropsis Citrus excelsa North Queensland lime/Russel River schweinfurthii) Citrus intermedia lime (Citrus inodora) Alemow () Citrus leiocarpa (Fortunella crassifolia x C. Australian round lime () reticulata) Citrus longispina Alianthus-like prickly ash Oval kumquat (Fortunella margarita) Citrus lycopersiciformis (Zanthoxylum ailanthoides) Palestine sweet lime (Citrus limon) Citrus maderaspatana Calamondin (Citrus madurensis) (Citrus limonia) Clausena harmandiana Cicitrangle/Cicitrange ( x P. (Citrus jambhiri) Feroniella crassifolia trifoliata) Sour mandarin (Citrus sunki) Lunasia amara (Fortunella margarita x Melicope latifolia Citrange) Sour orange (Citrus aurantium) Microcitronella spp. Citron (Citrus medica) tree (Citrus limon) Paramignya longipedunculata (Citrus reticulata x Poncirus Sweet orange / Navel orange (Citrus trifoliata) sinensis) Paramignya monophylla Cleopatra mandarin () Swingle citrumelo (Citrus paradisi × Swinglea glutinosa Poncirus trifoliata) Toddalia asiatic

Contact us via: Citrus canker hotline: 1800 931 722 Email: [email protected] Web: Visit www.nt.gov.au/citruscanker for more information on the response