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Genetically modified crops (GM crops) are plants used in agriculture, the DNA of which has been modified using genetic engineering methods. Plant genomes can be engineered by physical methods or by use of Agrobacterium for the delivery of sequences hosted in T-DNA binary vectors .
Genetically modified crops (GM crops) are genetically modified plants that are used in agriculture. The first crops developed were used for animal or human food and provide resistance to certain pests, diseases, environmental conditions, spoilage or chemical treatments (e.g. resistance to a herbicide).
Other GM crops grown in 2014 include Alfalfa (862 000 ha), sugar beet (494 000 ha) and papaya (7 475 ha). In Bangladesh a genetically modified eggplant was grown commercially for the first time on 12 ha. [6] The majority of GM crops have been modified to be resistant to selected herbicides, usually a glyphosate or glufosinate based one.
The majority of GM crops have been modified to be resistant to selected herbicides, usually a glyphosate or glufosinate based one. Genetically modified crops engineered to resist herbicides are now more available than conventionally bred resistant varieties; [20] in the USA 93% of soybeans and most of the GM maize grown is glyphosate tolerant. [21]
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]
The U.S. GM cotton crop was 4.0 million hectares, the second largest area in the world, followed by China with 3.9 million hectares and Pakistan with 2.6 million hectares. [6] By 2014, 96% of cotton grown in the United States was genetically modified [7] and 95% of cotton grown in India was GM. [8] India is the largest producer of cotton, and ...
Genetic modification rules now cover gene edited crops but exclude plants bred traditionally with the same properties.
Another reason for the strong opposition against the commercialisation of DMH - 11 across India, is due to past negative experiences with GM crops, most notably Bt cotton in Maharashtra. There was a proposed link between the poor performance of Bt cotton, and a large number of farmers' suicides , particularly in 2004.