24th January 2022

QUT and Hort Innovation have launched a $9.8 million research project to develop Cavendish and Goldfinger bananas that are resistant to Panama Tropical Race 4 (TR4), a deadly disease that is threatening global production.

TR4 is a soil-borne fungus that has impacted plantations in most banana-growing regions including North Queensland; Asia including the Philippines, China and Indonesia; the Middle East; Africa and most recently, South America. Currently, the disease, which cannot be eradicated, survives in the soil for decades.

Nearly all banana varieties can be impacted, including Cavendish, which accounts for an estimated 50 per cent of the bananas grown worldwide and about 95 per cent of the bananas grown commercially in Australia.

QUT project lead, Distinguished Professor James Dale of QUT’s Centre for Agriculture and the Bioeconomy, said his team aims to develop Cavendish and Goldfinger varieties using gene-editing techniques through the five-year project. The aim, he said, is to support food security in Australia and worldwide.

“The original Cavendish varieties emerged probably more than 1000 years ago,” he said. “It is an excellent banana but it is susceptible to some devastating diseases including Panama Disease TR4.

“There is also concern that the banana industry worldwide is too dependent on a single variety and that greater variety diversity is highly desirable.”

Distinguished Professor James Dale

Professor Dale said the Goldfinger banana is resistant to many diseases including TR4 and researchers aim to use recent advancements in gene editing to improve this variety to appeal to the Australian palate.

“We are now in a position to make very small changes in a banana genome that can have dramatic effects on the phenotype of the banana whether it is disease resistance, fruit quality or fruit taste and texture,” he said.  

Hort Innovation Hort Frontiers Business Development Manager Alok Kumar said the research, which is being conducted in consultation with Australian banana growers, will meet the industry’s priority to develop new TR4 disease-resistant varieties that meet consumer quality expectations. 

“TR4 is widely considered the most lethal banana disease in the world,” he said. “This new project will arm Australian growers with the tools they need to sustainably and effectively produce Australia’s number one selling grocery item for years to come.”

Australian Banana Growers’ Council (ABGC) Chief Executive Officer Jim Pekin said TR4 has been the predominant issue for the industry since it was discovered in Australia’s major growing area six years ago. He said access to a variety that is resistant to TR4 and continues to be market acceptable would give banana growers certainty about the future.

“TR4 presents challenges for Australia’s banana growers. If it is successful, this research to develop, gene-edited, TR4-resistant varieties would change that.”

This research is being delivered as part of the Hort Innovation Hort Frontiers Strategic Partnership Initiative, which is better equipping Australian horticulture for the future ahead.

Media contact:

Kelly Vorst-Parkes kelly.vorst-parkes@horticulture.com.au or 0427 142 537.


Rod Chester, QUT Media, 07 3138 9449, rod.chester@qut.edu.au 

After hours: 0407 585 901, media@qut.edu.au

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