A parliamentary question addresses the presence, potential causes, impact on Tasmanian Bluegums, and ongoing research related to Mundulla Yellows disease in Western Australia. The response indicates monitoring and collaborative research efforts.

AnsweredQoN 703Legislative Assembly
Asked
31 July 2001
Member
Portfolio
the Environment and Heritage

QuestionView source ↗

(1) In what parts of Western Australia is the disease known as Mundulla Yellows present?
(2) What is the possible range of pathogens that could be causing the disease?
(3) How seriously does the Department of Agriculture view the potential of this disease to impact on plantation tree, especially Tasmanian Bluegums?
(4) What research or other work is being carried out to understand the cause of this disease and various control methods?

AnswerView source ↗

Answered
6 November 2001
Responded by
Minister for the Environment and Heritage
Response time
98 days
2. There is now strong evidence that the cause of MY is biotic and contagious, and that a virus or virus-like organism may be involved. 3. Symptoms of MY have not been reported in commercial plantations in Western Australia. It has been reported from South Australia that Tasmanian Bluegum (Eucalyptus globulus) can be affected by MY. The incidence of symptoms in WA is therefore being monitored by the Department of Conservation and Land Management and the Forest Products Commission. 4. Investigations of the cause and distribution of MY disease are being carried out by researchers at The University of Adelaide, and Federal funding is being sought for their continuation. Preliminary tests of transmission of MY have also been carried out. Development of a rapid diagnostic test for MY using molecular techniques is now a priority, as the visible symptoms alone are not always reliable for diagnosis. When there is better understanding of the causal organism, and the means by which it is spread, specific management and control measures for MY can be developed. The Department of Conservation and Land Management (Science Division) is cooperating with these investigations.
3. Symptoms of MY have not been reported in commercial plantations in Western Australia. It has been reported from South Australia that Tasmanian Bluegum (Eucalyptus globulus) can be affected by MY. The incidence of symptoms in WA is therefore being monitored by the Department of Conservation and Land Management and the Forest Products Commission. 4. Investigations of the cause and distribution of MY disease are being carried out by researchers at The University of Adelaide, and Federal funding is being sought for their continuation. Preliminary tests of transmission of MY have also been carried out. Development of a rapid diagnostic test for MY using molecular techniques is now a priority, as the visible symptoms alone are not always reliable for diagnosis. When there is better understanding of the causal organism, and the means by which it is spread, specific management and control measures for MY can be developed. The Department of Conservation and Land Management (Science Division) is cooperating with these investigations.
4. Investigations of the cause and distribution of MY disease are being carried out by researchers at The University of Adelaide, and Federal funding is being sought for their continuation. Preliminary tests of transmission of MY have also been carried out. Development of a rapid diagnostic test for MY using molecular techniques is now a priority, as the visible symptoms alone are not always reliable for diagnosis. When there is better understanding of the causal organism, and the means by which it is spread, specific management and control measures for MY can be developed. The Department of Conservation and Land Management (Science Division) is cooperating with these investigations.

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