Researchers continue to look for new and better ways to detect and confirm the presence of citrus greening. Meanwhile, a process known as the “PCR Test” is recognized as the best available method so far, albeit not 100 percent reliable as yet according to the research community. In this report, horticulturist Dr Tim Spann at University of Florida’s Citrus Research and Education Center is asked just what the so-called “PCR” test is and how it works.
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