USDA Scientists Use New Technology to Detect Citrus Greening
August 12, 2011| |
Scientists at the U.S. Department of Agriculture (USDA) are using a new technology called Fourier transform infrared-attenuated total reflection (FTIR-ATR) spectroscopy in identifying citrus plants infected with citrus greening or Huanglongbing. The disease was discovered in Florida, USA in 2005 but has been reported to be rapidly spreading in the citrus-growing regions of the U.S. state. Infected citrus fruits drops prematurely or fails to ripen.
Scientists have been using polymerase chain reaction (PCR) to detect infected trees but it was expensive and time-consuming. The new method is cheaper and faster, using light to identify chemicals and reactions in a sample. FTIR-ATR also has the potential to detect infection even before visible symptoms take place.
To read more about FTIR-ATR, visit http://www.ars.usda.gov/is/pr/2011/110808.htm.
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