Apples.

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      The article reports on an agricultural risk assessment which reveals the possibility that U.S. apples could carry Erwinia amylovora and spread fire blight disease to Japan. The risk assessment, conducted by Agricultural Research Service plant pathologist Rodney Roberts, was a major element in more than 20 years of ARS research, and it supported the Office of the U.S. Trade Representative (USTR) and the U.S. apple industry in their successful dismantling of the Japanese trade barriers. While fumigation of apples with methyl bromide took care of the codling moth problem, Japan continued to refuse U.S. apples on the basis of perceived danger from fire blight.