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Current Roundup Ready crops include soy, corn (maize), canola, [2] sugar beets, [3] cotton, and alfalfa, [4] with wheat [5] still under development. Additional information on Roundup Ready crops is available on the GM Crops List. [6] As of 2005, 87% of U.S. soybean fields were planted with glyphosate resistant varieties. [7] [8]
In that period prices shot up 516 percent for cotton, and corn seed prices rose by 259 percent. (Seventy percent of the corn and cotton grown in the U.S. is Roundup Ready, according to The New ...
A genetically modified soybean is a soybean (Glycine max) that has had DNA introduced into it using genetic engineering techniques. [1]: 5 In 1996, the first genetically modified soybean was introduced to the U.S. by Monsanto. In 2014, 90.7 million hectares of GM soybeans were planted worldwide, making up 82% of the total soybeans cultivation area.
Monsanto developed a Roundup Ready genetically modified wheat but ended development in 2004 due to concerns from wheat exporters about the rejection of genetically modified (GM) wheat by foreign markets. [117] Two patents were critical to Monsanto's GM soybean business; one expired in 2011 and the other in 2014. [118]
In the United States, use of Roundup experienced rapid growth following the commercial introduction of a glyphosate-resistant soybean in 1996. [75] "Roundup Ready" became Monsanto's trademark for its patented line of crop seeds that are resistant to Roundup. Between 1990 and 1996 sales of Roundup increased around 20% per year. [76]
In 1996, Asgrow released the first Roundup Ready Soybean to the market building upon Monsanto's work to create petunia plants tolerant to small amounts of Roundup developed by Robert Fraley in 1985. The first season of sales saw over 1 million acres using the new seed and quickly over 80% of US soybeans were produced with the seed. [6]
The patent on the first type of Roundup Ready crop that Monsanto produced (soybeans) expired in 2014 [99] and the first harvest of off-patent soybeans occurs in the spring of 2015. [100] Monsanto has broadly licensed the patent to other seed companies that include the glyphosate resistance trait in their seed products. [101]
A 2003 study [117] concluded the "Roundup Ready" (RR) gene had been bred into so many different soybean cultivars, there had been little decline in genetic diversity, but "diversity was limited among elite lines from some companies". The widespread use of such types of GM soybeans in the Americas has caused problems with exports to some regions.
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