Biological Warfare Against Opium Fields

October 30, 2007

Knew_drugs_3 According to the New York Times, the Bush administration is pressuring the Afghan government to allow aerial spraying of synthetic herbicides in rural areas. The United States wants to eradicate Afghan farmers’ harvest of opium poppies, which supply the raw material for 90 percent of the world’s heroin, and help fund the Taliban insurgency. But Afghan officials are resisting the idea, in part because of fears that the chemicals will contaminate the Afghan water supply. (The chemical that the U.S. wants to use is glyphosate, which the U.S. Environmental Protection Agency warns can cause lung congestion, kidney damage and reproductive problems with sufficient exposure.)

But the U.S. government ultimately may deploy a more technologically advanced — and potentially even riskier — solution to destroy the poppy fields in Afghanistan and elsewhere. Since the 1970s, the U.S. has been working on using both natural and genetically engineered organisms to kill drug crops such as opium poppies and coca, the source of cocaine, according to The Sunshine Project, an international organization opposed to the use of genetic engineering in warfare. In the late 1990s, the Clinton administration tried to persuade Colombia to allow use of a U.S.-developed strain of the fungus Fusarium oxysporum against coca fields, but field tests of the organism were halted after international protests. In 2000, U.S. scientists published a study on two fungi with opium-killing properties. Asia Times reported in 2002 that the United Nations Drug Control Program, with research support and funding from the United States, had conducted tests of the effect of the fungus Pleospora papaveracea on opium poppies at the Institute of Genetics in Tashkent, Uzbekistan (a former site of Soviet biological-weapons research). In 2005, Indiana GOP Congress members Dan Burton and Mark Souder, the then-chairman of the House Government Reform Subcommittee on Criminal Justice, Drug Policy and Human Resources, advocated a biological war on drugs, which potentially would include both naturally occurring and genetically manipulated organisms. "We spend millions of dollars every year on counter-narcotic efforts, including drug-crop eradication and interdiction, especially in our joint efforts in Colombia, Afghanistan and elsewhere, yet the flow of illegal and lethal narcotics continues to be a major problem in our country," stated congressman Burton. "The advent of mycoherbicides and other counter-narcotic alternatives offers us the possibility to cut off the source of these drugs literally at their roots."

The Sunshine Project’s scientists, however, warn that such tactics are "a recipe for environmental disaster." They point to the risk that drug-destroying organisms will harm other plants and insects as well, and estimate that the anti-opium fungus’s spores would persist in the soil for as long as 40 years, making the spread of the fungus difficult to control. In addition, they say that a biowar against drugs could lead to a rise in life-threatening fungal infections among humans with compromised immune systems — such as patients in Afghan hospitals. Worse yet, a scientific paper written by two Sunshine Project scientists warns that "these biological agents are lowering the political threshold for the use of biological weapons and are likely to have tremendous environmental and health impacts. The pursuit of crop-killing fungi as weapons would be a further slide down a slippery slope that, by following the same logic, could easily lead to the use of other plant pathogens, animal pathogens or even non-lethal biological weapons against humans."

There’s also the possibility that drug traffickers could strike back with biowarfare of their own. Wired News reported in 2004 that Colombian cocaine traffickers may have obtained genetically engineered herbicide-resistant coca plants to thwart the U.S. anti-drug effort.

So, should the U.S. wage a biowar against drugs in Afghanistan (or anywhere else)? Express your opinion here.


About Patrick J. Kiger, Science Writer. Patrick J. Kiger has written from print publications ranging from GQ to the Los Angeles Times, and is a longtime contributor to Discovery.com, HowStuffWorks, and other web sites.

For several years, he wrote the Science Channel's "Is This a Good Idea?" blog, and we are proud to have him back! He's also the author of Science Channel's Story of the Week Feature and Creator of Head Rush Science Experiments for Kids.

Patrick is also the co-author, with Martin J. Smith, of Poplorica: A Popular History of the Fads, Mavericks, Inventions, and Lore that Shaped Modern America HarperResource, 2004), and Oops: 20 Life Lessons from the Fiascoes That Shaped America (Collins, 2006). Both are now available on Kindle.

You can see more of his work at www.patrickjkiger.com


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