Skip to main content
ARS Home » Office of Communications » Images » Photos » Apr11 » k7721-7

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

Image Number K7721-7

A more sensitive test called “Bio-PCR” should prove useful for early detection of many bacteria, including the one that causes Pierce’s disease on grapes. Shown is an ARS-developed seedless variety, Autumn Royal.


Photo by Bob Nichols.

640 pixels wide: (k7721-7.jpg)

Please visit our Image Gallery