Speaking to China Daily on Sunday, Li, who also signed the petition, described the GM cropsituation in China as "extremely grave".
China is one of the largest consumers of GM produce, but it currently depends on imports, ratherthan growing and selling its own GM crops, according to Li.
"Since 1996, when the United States started applying GM technology to planting soya beans, thecost of soya dropped dramatically, and China began to need to import such products," he said.
"About three-quarters of the soya on the Chinese market is imported. The governmentsubsidizes soya farmers heavily, but they only produce about 12 million tons of non-GM soyaevery year, and their products are uncompetitive."
Among the GM staple crops in China, only cotton can be planted on a large scale and sold, saidHuang Dafang, a researcher from the Biotechnology Research Institute at the Chinese Academyof Agricultural Sciences. He said this poses a threat to food security in China, especially wheninternational food prices begin to rise.
Zhang Qifa, a professor at Huazhong Agricultural University and academician at the ChineseAcademy of Sciences, told Southern Metropolis Daily that 61 academicians signed the petition inJuly and asked the Ministry of Agriculture to push for the planting of GM rice.
The two kinds of GM rice developed by his university were certified as safe by the Ministry ofAgriculture in 2009, but the certificates will expire on Aug 17, 2014.
What's more, in order to go to the market, GM crops need not only a safety certificate, but also acertificate from agricultural authorities showing that they are profitable and can be introducedonto farms.
The two types of GM rice developed by the university were given safety certificates, but nothingmore, and so they failed to become commercialized.
"The Ministry of Agriculture didn't work out a way to commercialize our GM rice due to publicobjections to GM products. It's a great pity," Zhang said.
In September, the Ministry of Agriculture posted on its website an interview with Lin Min, amember of the nation's committee to evaluate the safety of GM organisms, and stated that GMfood is as safe as non-GM food.
The ministry's statement was partly in response to an article published in August by the GlobalTimes, stating that scientific research projects "have proven GM food has a high correlation totens of diseases such as tumors and infertility".
Both Huang and Li said that GM products certified by the ministry are safe to consume.
In 2012, French scientist Gilles-Eric Seralini and his colleagues published in the journal Foodand Chemical Toxicology the results of a two-year study on how GM maize produced byMonsanto Company, a chemical and agricultural company based in the United States, affectedthe health of rats. The research ignited more public concern over the safety of GM crops byclaiming that GM foods increased the death rate and the incidence of tumors in rats.
However, the European Food Safety Authority later stated that the research was defective andits results unreliable.
In November 2012, the EFSA said on its website, "Serious defects in the design andmethodology of a paper by Seralini et al. mean it does not meet acceptable scientific standardsand there is no need to re-examine previous safety evaluations of genetically modified maizeNK603."
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