Genetically Modified Trees

Image 14 of 19
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October 12, 2007, Raleigh, NC.. Ying-Hsuan Sun, a post doctorate research assistant, clips the leaves on some of the larger black cottonwood trees grown for the experiment..Greenhouses at the Department of Forest Biotechnology at North Carolina State University are being used to grow trees with lower lignin levels to be better used for future bio-fuel technologies.