Sweet potato uses a single odor to warn its neighbors of insect attack

Sweet potatoes (Ipomoea batatas) are becoming more and more popular: Whether in soup or as fries, they increasingly compete with "regular" potatoes which, surprisingly, are only distantly related. Although economically not as important as the potato world-wide, the sweet potato has a higher nutritional value and is richer in vitamins. Particularly in Asia, the crop is an important source of nutrients.

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