Novartis Seeds were the first biotechnology company to sell Bt-corn and their products are now grown commercially in the US, Canada, Argentina and Spain.
This means that farmers who want to grow a plant with the same genetically engineered traits next season have to go back to the company for more seeds.
This would respond to a chemical that remained the prerogative of the company that produced the seeds, and the genes would not work without it.
Since GMO companies push farmers to purchase new GM products every year, "This traps farmers into using expensive seeds and pesticides from a single company, " says Ma.
The bio-tech company Monsanto can sell genetically modified seeds before safety tests on them are completed, the US Supreme Court has ruled.
DuPont is a diversified global chemical company, supplying agricultural products (such as seeds and pesticides), high-performance materials, automotive coatings, electronic materials and key industrial chemicals to industries and consumers world-wide.
Louis-based company claims under its intellectual property agreement with farmers that the seeds and their offspring cannot be saved and replanted without compensation.
The company's scientists perfected a system in 1996 for injecting genes into seeds that are resistant to the herbicide Roundup.
CNN: Monsanto court victory could have big impact on biotech
The company stockpiles the topsoil which contains the nutrients, organic debris and plant seeds that are stripped away during mining.
The list included companies as diverse as Garmin and John Deere and any company that sells products that utilize global positioning for airline or sea navigation, for planting seeds in a field, for locating lost climbers or hikers in the wilderness and so forth.
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