Document Type

Conference Proceeding

Publication Date

7-29-2013

Abstract

The adoption of genetically engineered (GE) crop varieties by U.S. farmers is widespread for major crops—94 percent of planted acres for soybeans, and 88 percent for corn in 2012 (USDA-NASS 2012).

The potential exists for GE crop production to impose costs on organic and conventional non-GE production via unintended presence of GE material along the supply chain through:

• Contamination of seed stock

• Accidental cross-pollination

• Accidental co-mingling during planting, harvesting, handling, and storing of crops (Bullock and Desquilbet 2002).

Maintaining the integrity of GE-differentiated product markets relies on segregation protocols such as:

• Hybrid selection and seed purity testing

• Physical distancing during crop production

• Equipment cleaning and product segregation during processing

• GE-testing (Greene and Smith 2010).

Comments

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