Thread: The Windup Girl
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Old 09-25-2009, 07:28 PM   #14
NormHart
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From wikipedia,

There are conceptually two types of GURT: (Genetic Use Restriction Technology)
V-GURT: This type of GURT produces sterile seeds meaning that a farmer that had purchased seeds containing v-GURT technology could not save the seed from this crop for future planting. This would not have an immediate impact on the large number of primarily western farmers who use hybrid seeds, as they do not produce their own planting seeds, and instead buy specialized hybrid seeds from seed production companies. However, currently around 80 percent of farmers in both Brazil and Pakistan grow crops based on saved seeds from previous harvests.[2] Consequentially, resistance to the introduction of GURT technology into developing countries is strong.[2] The technology is restricted at the plant variety level - hence the term V-GURT. Manufacturers of genetically enhanced crops would use this technology to protect their products from unauthorised use.
T-GURT: A second type of GURT modifies a crop in such a way that the genetic enhancement engineered into the crop does not function until the crop plant is treated with a chemical that is sold by the biotechnology company. Farmers can save seeds for use each year. However, they do not get to use the enhanced trait in the crop unless they purchase the activator compound. The technology is restricted at the trait level - hence the term T-GURT."

The author makes mention of this (using the term "Terminator gene") in relation to his book.

I love it, DRM for food.
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