Gene Discovery Offers Hope for Banana Disease Resistance

Researchers at The University of Queensland have discovered a genetic region in a wild banana that can resist Fusarium wilt Subtropical Race 4, a significant threat to Cavendish bananas. Led by Dr. Andrew Chen and Professor Elizabeth Aitken, the study identified this resistance within the wild diploid banana, Calcutta 4. The team successfully mapped the resistance to chromosome 5 after crossbreeding with susceptible bananas and testing the offspring. This five-year research combines advanced genetic techniques and opens the door for developing molecular markers for efficient disease-resistant banana breeding.