Image Number D4239-1
At the Electron and Confocal Microscopy Unit, in Beltsville, MD, from left to right, plant pathologist Lynn Carta, lab director Gary Bauchan, and support scientist Joe Mowery use a low-temperature scanning electron microscope to observe a nematode, Litylenchus crenatae, that is damaging beech trees.
Photo by Stephen Ausmus.
640 pixels wide: (D4239-1 .jpg)
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