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British test proves that transgenic winter rapeseed is not conducive to the environment
British scientists recently concluded a five-year trial of genetically modified winter rapeseed. The results show that the crop is not conducive to biodiversity. This has made the British government trying to promote genetically modified crops awkward. According to British media reports on the 22nd, scientists in the latest issue of "Royal Academy of Sciences Newsletter" reported the results of this herbicide resistant transgenic winter seed rapeseed developed by Bayer CropScience in Germany. The experiment cost 6 million pounds (about 11 million US dollars), which lasted 3 years. The results showed that the number of butterflies in the fields planted with rapeseed was two-thirds less than that of the fields planted with ordinary rapeseed, and the number of bees was less than half. The researchers analyzed that it may be that the crop is resistant to a specific herbicide that damages broadleaf grass more than other grasses, and that butterflies and bees rely more on broadleaf grasses. So the final result. Researchers worry that because of the chain reaction, animals above the food chain will be affected. However, proponents of GM crops stressed that the number of other insects in the trial was not affected and the overall impact on biodiversity was minimal. In a media interview, the vice chairman of the British Agricultural Biotechnology Commission said: “As with all systems that control weed growth, some weeds and insects have decreased and some weeds and insects have increased in number after planting this GM rapeseed. Is very normal.†In the past four years, the British government has completed tests on genetically modified spring rapeseed, sugar beet, maize and winter seed rapeseed. Only GM maize has been proven to be beneficial to biodiversity. Crops are considered to be detrimental to the environment. In 1999, the Blair government intended to implement genetically modified crops announced that it had begun the study called "Tillage Evaluation" since 2000.