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ARS Home Office of Communications Images Photos Apr11





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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


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