50.3 MB (50.0 MB compressed)
5197 x 3386 pixels
43.9 x 28.7 cm ⏐ 17.3 x 11.3 in (300dpi)
PEGGY GREB / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY PEGGY GREB / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY
Wild and domestic potatoes (both Solanum sp.). Researcher holding a handful of wild potatoes (right) and two domestic potatoes (left). Tubers of wild potato species are small and otherwise unfit for eating, but such plants often have genes for traits like high tuber calcium that could make important contributions to the quality of commercial cultivars (left).
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