U.S. Clears a Test of Bioengineered Trees

Feedstock, Forestry/Wood/Residues/Waste

May 14, 2010

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by Andres Pollack (New York Times) Federal regulators gave clearance Wednesday for a large and controversial field test of genetically engineered trees planned for seven states stretching from Florida to Texas.

The test is meant to see if the trees, eucalyptuses with a foreign gene meant to help them withstand cold weather, can become a new source of wood for pulp and paper, and for biofuels, in the Southern timber belt. Eucalyptus trees generally cannot now be grown north of Florida because of occasional freezing spells.

…Although two genetically engineered fruit trees — virus-resistant papaya and plum trees — are already approved for commercial planting in the United States, no forest trees have yet received that clearance in this country.

…“The species of eucalyptus in this permit has difficulty establishing without human intervention, even in warmer climates,” the department said in its initial environmental assessment, dismissing concerns that the genetically engineered trees would spread like a weed. It said other impacts would be limited because each experimental plot would be no larger than 20 acres and isolated from the others.

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The new permit would allow more trees to be planted at the 28 sites and to allow flowering on 27 of the sites. While flowering would normally mean the possibility of reproduction, the trees in the trial have also been engineered to produce no pollen.

ArborGen argues that because they grow so fast, eucalyptus trees would minimize the amount of forest land needed for commercial plantations. READ MORE

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