cavendish bananas main commercial banana cultivars sold in world market.
in global commerce in 2009, far important cultivars belonged triploid aaa group of musa acuminata, commonly referred cavendish group bananas. accounted majority of banana exports, despite coming existence in 1836. cultivars dwarf cavendish , grand nain (chiquita banana) gained popularity in 1950s after previous mass-produced cultivar, gros michel (also aaa group cultivar), became commercially unviable due panama disease, caused fungus fusarium oxysporum attacks roots of banana plant. cavendish cultivars resistant panama disease in 2013 there fears black sigatoka fungus in turn make cavendish bananas unviable.
ease of transport , shelf life rather superior taste make dwarf cavendish main export banana.
even though no longer viable large scale cultivation, gros michel not extinct , still grown in areas panama disease not found. likewise, dwarf cavendish , grand nain in no danger of extinction, may leave supermarket shelves if disease makes impossible supply global market. unclear if existing cultivar can replace cavendish bananas, various hybridisation , genetic engineering programs attempting create disease-resistant, mass-market banana.
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