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Are bananas going extinct?
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My co-worker shocked me by reporting that, in ten years or so, bananas will be extinct. Refusing to take him at his word, I searched on the Internet for some sort of verification/debunking.Will I be having bananas a decade hence? -Chris Brackett, Brooklyn, New York

This story, complicated to start with, has now become thoroughly confused. For example, here's what has to say on the subject:

"Claim: Bananas will be extinct within ten years.

"Status: False.

"Example: ... [A] local radio station reported that bananas as we know them will not be in existence in 5 to 15 years. The banana has been genetically altered so much that new plants cannot be grown as there are no seeds and the existing plants are slowly being destroyed by a parasite."

Snopes then explains, "Bananas aren't about to be swept from the face of the earth.... There are about 300 varieties of the fruit, and the current fear applies to only one of them, the Cavendish. Granted, the Cavendish is our banana of choice, but it isn't the only banana out there."

No disrespect to Snopes, but this statement, while not flat wrong, is seriously misleading.

1. True, bananas in general aren't in danger of being expunged from the earth. No one contends otherwise.

2. No one thinks the Cavendish is going to become extinct either. The banana the Cavendish replaced in the 1960s, the Gros Michel (or "Big Mike"), was wiped out commercially by an earlier version of the fungus that now threatens the Cavendish. But the Gros Michel didn't die out completely and is still grown in some places. The same will no doubt be true of the Cavendish.

3. Nonetheless, absent some miraculous intervention, there's a high likelihood the Cavendish will be destroyed as a commercial crop. The banana is threatened by Panama disease race 4, a fungus that spreads through the soil. (Panama disease race 1 is what killed off most of the Gros Michels.) There's no effective way of treating race 4. It's transmitted through contact with shoes, clothes, etc, and many scientists think its arrival is only a matter of time.

4. The Cavendish isn't just "our banana of choice"; in most of the developed world it's the only choice. Roughly 100 billion are sold annually. No other variety comes close.

5. Scientists are trying to develop alternative banana varieties that (a) are resistant to Panama race 4 and other diseases, (b) can be grown commercially, and (c) people are willing to eat. There are two ways to do this: traditional plant breeding and genetic modification. Although cultivated bananas are sterile hybrids-farmers create new plants from cuttings of the old ones-most produce occasional viable seeds from which a better banana can be bred by and by. However, it's a slow process. Genetic modification is faster but obnoxious to many consumers. So far, no obvious replacement banana has emerged. Banana growers would surely come up with an alternative, but it might not taste like the bananas you're used to.

6. Then again, who cares what happens to the Cavendish banana? Although it dominates world trade, it's a so-called dessert banana, prized for its sweetness. Sure, it's good for you, but in the industrialized world, bananas are an optional commodity, consumed in quantity only since the 1880s. In the developing parts of the globe, different story. Bananas in many countries aren't dessert; in the starchy form known as the plantain they're the main course, one of the most valuable food crops on earth. Ugandans, for example, are estimated to spend a third to half their food money on bananas.
Those are the bananas everybody should be worried about. Though they're not going to become extinct either, they're threatened by a long list of diseases and pests. Trouble is, the fungicides are becoming less and less effective. Banana yields in central Africa are half what they were 30 years ago. Only a handful of scientists are working on the problem. No bananas for us affluent types means we'll have to find something else to slice up on our cornflakes. For tens of millions in Africa, the potential loss of the banana is a matter of life and death.