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United States Department of Agriculture

Agricultural Research Service


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 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)




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Last Modified: 8/13/2016
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