https://en.wikipedia.org/wiki/Panama_disease
A disease changed which banana reached the grocery store.
Through the first half of the twentieth century, the export trade in the Caribbean and Central America depended heavily on a sweet cultivar called Gros Michel. Then Panama disease, a soilborne Fusarium wilt, spread through susceptible plantations. The fungus invaded the water-conducting tissue of banana plants. Leaves wilted, production suffered, and moving to fresh ground could not indefinitely outrun infected soil.
The trade gradually shifted toward Cavendish cultivars, which resisted the disease strains then devastating Gros Michel. That did not mean every Gros Michel banana vanished, or that Cavendish was immune to every form of Fusarium wilt. It meant a real agricultural problem helped change the fruit most shoppers would later recognize.
In one teaching plate, a collapsed banana plant stands beside a vigorous fruiting bunch, with a small accurate vascular cutaway explaining the difference. Did your family ever talk about bananas tasting different years ago?
