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Panama TR4 spreading on infected farms in North Queensland


Despite the rigid biosecurity measures in place throughout north Queensland banana farms, the dreaded Panama tropical race 4 is spreading within the infested farms. Since initial detection in 2015, only three farms had confirmed cases of TR4, however the Australian Banana Growers' Council has revealed the number of plants infected within those farms has increased to nearly 60. This is up from the initial nine cases detected in 2015. There have been no new farms with confirmed cases of TR4 since February 2018.

In an article on the ABGCl website, Dr Rosie Godwin urges growers to maintain biosecurity vigilance even though TR4 is "spreading slowly but surely". "The ABGC is aware that a level of complacency could naturally exist, if people are not aware of the continuing spread of TR4 on these infested properties (IPs) - the second IP confirmed July 2017 and third IP February 2018," Dr Godwin said.

But her article goes on to explain the extent of the spread of TR4 in the top of the Tully Valley and some of the reasons why it is not yet out of control.

"The current slow rate of spread is buying time for industry, but when the rate of TR4 spread becomes exponential it will be much more difficult to deal with," Dr Godwin said.

Since July 1 this year, the existing TR4 management program has continued under a cost-sharing arrangement with industry and the Queensland Government.


Publication date: 9/10/2019


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