Page Banner

United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

Download a high-resolution (300dpi) digital image here

Image Number D778-1

Under the sterile conditions of a transfer hood, plant pathologist Medani Omer transfers a fungal pathogen for use in a soilborne pathogen study. These fungal pathogens provide biotic stress on plants, allowing Medani to evaluate the role plant nutrition plays in plant disease development.


Photo by Stephen Ausmus.

640 pixels wide: (d778-1.jpg)

Please visit our Image Gallery
Last Modified: 4/13/2007
Footer Content Back to Top of Page