Page Banner

United States Department of Agriculture

Agricultural Research Service

Image Number D3105-1

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


 Image Number D3105-1

ARS molecular biologist Yan Zhao (left) observes as visiting scientist Wei Wu pretreats a tomato plant with salicylic acid to test its effectiveness against phytoplasma bacterial infections.


Photo by Peggy Greb.

640 pixels wide: (d3105-1.jpg)

Please visit our Image Gallery
Last Modified: 1/30/2014
Footer Content Back to Top of Page