Easing of restrictions for the control of citrus canker


The declared restricted area for the control of citrus canker disease has been removed from properties in Cossack, Katherine.

The restricted area was established in June 2018 after a plant with the citrus canker disease was found in Cossack. The restricted area affected 20 properties which were within 600 metres of the plant infected with citrus canker.

The restricted area in Katherine was cleared of all citrus canker host plants in late 2018 and there has been no evidence of citrus canker disease or any regrowth in the area.

A designated minimum of six months without citrus canker host plants, known as the host free period, and no record of citrus canker disease during regrowth surveillance activities, has allowed for the restricted area to be removed.

These changes allows residents in the former restricted area of Cossack to cultivate and plant citrus plants again.

Two control areas for the control of citrus canker still remain in place around the greater Darwin and Katherine areas, and 12 restricted areas remain in the greater Darwin area.

Citrus plants may be purchased from within the Katherine Control Area or areas free from citrus canker for planting within the former Katherine Restricted Area. Plants may not be purchased or moved from the Darwin Control Area as quarantine movement restrictions are still in place.

The restriction on moving citrus fruit and juice from the control areas into a restricted area has also been lifted.

The movement and cultivation restrictions are in place to help eradicate citrus canker from the Territory and allow Australia to claim freedom from this serious plant disease.

Citrus Canker
Citrus canker on lime leaf

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