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Feasibility of using mycoherbicides to control illicit drug crops is uncertain

Date:
December 5, 2011
Source:
National Academy of Sciences
Summary:
The effectiveness of using specific fungi as mycoherbicides to combat illicit drug crops remains questionable due to the lack of quality, in-depth research, says a new report.

The effectiveness of using specific fungi as mycoherbicides to combat illicit drug crops remains questionable due to the lack of quality, in-depth research, says a new report from the National Research Council. Questions about the degree of control that could be achieved with such mycoherbicides, as well as uncertainties about their potential effects on nontarget plants, microorganisms, animals, humans, and the environment must be addressed before considering deployment. The report states that additional research is needed to assess the safety and effectiveness of proposed strains of mycoherbicides.

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Mycoherbicides, created from plant pathogenic fungi, have been proposed as one tool to eradicate illicit drug crops. Congress requested an independent examination of the scientific issues associated with the feasibility of developing and implementing naturally occurring strains of these fungi to control the illicit cultivation of cannabis, coca, and opium poppy crops.

As an initial step, the report recommends research to study several candidate strains of each fungus in order to identify the most efficacious under a broad array of environmental conditions. The resulting information would guide decisions regarding product formulation, the appropriate delivery method, and the scale required to generate enough mycoherbicide product to achieve significant control. However, conducting the research does not guarantee that a feasible mycoherbicide product will result. Furthermore, countermeasures can be developed against mycoherbicides, and there are unavoidable risks from releasing substantial numbers of living organisms into an ecosystem.

Multiple regulatory requirements would also have to be met before a mycoherbicide could be deployed. Additional regulations and agreements might also be needed before these tools could be used internationally, as approval to conduct tests in countries where mycoherbicides might be used has been difficult or impossible to obtain in the past.

The study was sponsored by the Office of National Drug Control Policy. The National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council make up the National Academies. They are independent, nonprofit institutions that provide science, technology, and health policy advice under an 1863 congressional charter. Panel members, who serve pro bono as volunteers, are chosen by the Academies for each study based on their expertise and experience and must satisfy the Academies' conflict-of-interest standards. The resulting consensus reports undergo external peer review before completion.

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The above story is based on materials provided by National Academy of Sciences. Note: Materials may be edited for content and length.


Cite This Page:

National Academy of Sciences. "Feasibility of using mycoherbicides to control illicit drug crops is uncertain." ScienceDaily. ScienceDaily, 5 December 2011. <www.sciencedaily.com/releases/2011/11/111130120116.htm>.
National Academy of Sciences. (2011, December 5). Feasibility of using mycoherbicides to control illicit drug crops is uncertain. ScienceDaily. Retrieved November 20, 2014 from www.sciencedaily.com/releases/2011/11/111130120116.htm
National Academy of Sciences. "Feasibility of using mycoherbicides to control illicit drug crops is uncertain." ScienceDaily. www.sciencedaily.com/releases/2011/11/111130120116.htm (accessed November 20, 2014).

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