Researchers help protect avo’s future

Researchers help protect avo’s future

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AVO FOCUS: QAAFI researchers, Dr Andrew Geering and Dr Liz Dann are working on projects to help protect the avocado industry from both present and future diseases.

AVO FOCUS: QAAFI researchers, Dr Andrew Geering and Dr Liz Dann are working on projects to help protect the avocado industry from both present and future diseases.

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Diseases that threaten Australia's avocado industry face some clever defenders.

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CAFES and restaurant owners will owe a debt of gratitude to Queensland researchers who are working to safeguard the avocado industry from the threat of existing and emerging disease. 

A project at the University of Queensland’s Queensland Alliance for Agriculture and Food Innovation (QAAFI) is looking to improve yields, fruit quality and build capacity to deal with biosecurity issues.

The project is funded by Hort Innovation.

QAAFI researcher, Dr Liz Dann, says she is constantly reviewing the disease management practices, and trialling new products or approaches for reducing the impact of the many diseases which affect avocados.

Dr Dann said all diseases are manageable.

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“We just need the tools and the capacity to maintain current biosecurity processes, and to meet emerging challenges,” she said.   

Australia produces around 66,000 tonnes of avocados annually, with a wholesale value of $534 million.

While Dr Dann’s focus is managing existing diseases, her colleague, Dr Andrew Geering is concentrating on developing diagnostic tests to protect the industry against new threats.

“Sometimes the biosecurity threats are well understood but others seem to pop out of the blue,” Dr Geering said.

FRUITFUL: Dr Andrew Geering and Dr Liz Dann, QAAFI, with the product in focus.

FRUITFUL: Dr Andrew Geering and Dr Liz Dann, QAAFI, with the product in focus.

“A good example of a pest that was not previously on anyone’s radar is the fungal disease Laurel wilt, which is spread by the tiny redbay ambrosia beetle.

“It’s decimating the avocado industry in Florida.

 “As soon as the beetle bores into the trunk of an avocado tree and introduces the fungus, the whole tree collapses within a month. There is no resistance.

“We don’t have the beetle in Australia yet – but it is vital we have good diagnostic tests for a wide range of pests and pathogens.”

Hort Innovation chief executive, John Lloyd, said the project is timely, with domestic consumption of avocados in Australia tripling over the past 20 years from 30,000 tonnes to 90,000 tonnes.

“There is no arguing avocados are everywhere, on café menus, on television, in pop culture, there is even an avocado emoji,” he said.

“What this research aims to do is protect a fruit that Australians are highly affectionate about.”

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