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How the Ag-Biotech Industry is Attempting to Manipulate Public Opinion with Unproven Genetically-Engineered Chestnut Trees

(Graft of an American-Chinese chestnut hybrid)

In the 1800s, the American chestnut tree was the predominant species in the Eastern U.S. before blight wiped out approximately 4 billion of these trees.

Given the affection we have for trees, restoring this species and reclaiming our wild forests is a very noble and worthwhile endeavor.

However, the ag-biotech industry wants to use genetic engineering to accomplish this, which is the first step in a calculated plan to attain something much more lucrative.

If the industry can get GE-American chestnut trees approved — the first-ever approval of a GE-tree in the U.S. — it will sway public opinion about the use of this technology and pave the way for other GE-trees, such as GE-eucalyptus and GE-pine trees. These trees will be pitched to the government as “necessary” in order to meet the consumer demand for pulp and paper products but will also be used for biofuels, biochemicals and bioplastics.

All of this is outlined in a new white paper called Biotechnology for Forest Health? The Test Case of the Genetically Engineered American Chestnut, produced by the Campaign to STOP Genetically Engineered Trees, Global Justice Ecology Project and Biofuelwatch.


For this project, researchers at the State University of New York College of Environmental Science and Forestry are developing a genetically-engineered, blight-resistant American chestnut tree. The GE-tree has been engineered with an oxalate oxidase enzyme that does not eliminate the pathogen but inhibits it from spreading on the tree, making it less lethal.

These GE-trees would be released into the wild forests with the goal of having their pollen and nuts contaminate hybrid chestnut orchards, totaling approximately 400 million healthy chestnut trees that have viable root systems.

While tests on a small number of young GE-American chestnut trees have shown some resistance to blight, extrapolation from these results is unreliable given the long lifespan of these trees (potentially over 200 years) and the variable conditions they encounter in nature.

Aside from the fact that engineering for single-pathogen resistance leaves plants susceptible to other pathogens or stresses, there are two other reasons for concern.

1) In regards to engineering pathogen resistance in crops, there have been more than 800 field test applications submitted to the USDA and only one has made it to the commercialization stage, JR Simplot’s late-blight-resistant-potato.

Compounding matters is that the GE-potato is a short-lived agricultural crop whereas the GE-American chestnut tree is expected to live hundreds of years in the wild forest, which means it will face many more challenges and will have a very hard time surviving.

2) According to the white paper, the researchers working on this GE-American chestnut tree technology acknowledge that in order to have any chance of successful restoration of the forests with this tree, it will be necessary to use a suite of genes to confer stable and long-term resistance to the blight. Right now, they are only using one gene — the oxalate oxidase enzyme.

“It is very hard to engineer fungal resistance, and this is extremely unlikely to succeed. A lot of the work being done on this tree is not about natural forests. Rather, it is about making them survive under industrial monoculture conditions,” said Rachel Smolker, PhD and Co-Director of Biofuelwatch. 

With an administration eager to promote GE-technology, scientists are rushing ahead to obtain regulatory approval.

Maybe it also has something to do with the companies behind this project.

Researchers at the State University of New York College of Environmental Science and Forestry have received close to $1M from The American Chestnut Foundation, which has been funded by Monsanto and dozens of other corporate funders, sponsors, and partners including ArborGen (the most well-known GE-tree company), MeadWestvaco, Georgia Pacific, American Electric and Power, Dupont, ExxonMobil and Duke Energy.


On Monday, the United Nations released a landmark report which says that up to 1 million plant and animal species are on the verge of extinction, which has alarming implications for human survival.

Given the precarious state of our planet, releasing unproven and incredibly risky genetically-engineered American chestnut trees into the wild forests of the U.S. is the last thing we should be doing.

It has the potential to dramatically interrupt our already fragile ecosystem, with (1) unknown consequences to humans, animals and insects eating nuts and leaves produced from GE-trees and inhaling their pollen (2) the potential contamination of organic and Non-GMO chestnut trees and (3) a host of environmental risks to the wild forests that we cannot predict because we simply do not know what they are just yet.

However, these worries should not present a meaningful roadblock to our government, which consistently eschews the precautionary principle in favor of corporate profits.

According to Anne Petermann, Executive Director of Global Justice Ecology Project, the USDA could publish the deregulation petition for this GE-American chestnut tree any day, a necessary first step in the approval process.

“It is unprecedented to release a genetically-engineered plant into the wild to spread itself on purpose, and we have no idea what it will do,” she warned.

Yesterday, The Campaign to Stop GE-Trees created an e-petition to stop these trees and you can sign it HERE.

A few years ago, when the GE-eucalyptus tree was petitioned for approval, 284,000 people submitted comments against this technology. This seemed to have a real impact because it has still not been approved. Needless to say, it is critical that the government hears as much opposition as possible with regards to this proposed GE-American chestnut tree.

Organic Insider will keep its readers informed as new developments about this tree unfold.

(Photo credits to

With gratitude,

Max Goldberg, Founder

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