The Cavendish banana has long been a victim of its own success. Because the variety is triploid, it possesses three sets of chromosomes, rendering it sterile and nearly impossible to cross-breed. Previously, developing new varieties required thousands of manual attempts to yield even a single seed. Fernando Garcia-Bastidas, head of the breeding program at Yelloway, noted that decades of research and advanced information technology finally enabled the creation of natural, 100% Cavendish plants that maintain full fertility.
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Yelloway Breeds Fertile Cavendish to Combat Global Banana Blight
For the first time, researchers have cracked the biological barrier of the triploid Cavendish, creating a fully fertile breeding line. This breakthrough by the Chiquita and KeyGene partnership, dubbed Yellowdish, allows scientists to merge the banana’s prized commercial traits with new, robust resistance to devastating fungal pathogens like Fusarium wilt.
These fertile plants are already being crossed with disease-resistant varieties at Yelloway facilities. The ultimate goal is to protect the global supply chain, which relies heavily on the Cavendish for its ability to ripen predictably and its familiar flavor profile. By targeting resistance to Black Sigatoka and Tropical Race 4, the team aims to secure the fruit's future against climate stress and disease. Yelloway expects to release at least one commercially viable variety to key partners by 2030.
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