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Transgenic
Jun 22, 2017

Cotton bollworm is one of the more common cotton pests in our province, but too much use of chemical pesticides can cause environmental pollution. Chinese Academy of Sciences Wuhan virus experts cleverly extracted from the African poison scorpion body toxins, the use of gene recombination technology, made of biological pesticides - "recombinant cotton bollworm virus", can reduce the death time of cotton bollworm within 2 days. According to the Chinese Academy of Sciences, Wuhan Institute of Biological Control researcher Sun Xiu Lian introduction, "recombinant anti-cotton bollworm virus" is a genetically modified virus. As early as this genetically modified virus was born, he had developed a equivalent of the primary genetically modified cotton bollworm virus, but the use of the virus, the dead time of the cotton bollworm longer: about 3-5 days, during which bolls Insects will still have some harm to cotton.

In 2004, Sun Xiuling will be African poison scorpion body unique toxins - scorpion venom gene extraction, reorganization to anti-cotton bollworm virus, developed a super biological pesticide - "recombinant cotton bollworm virus." After the reorganization of the genetically modified virus to the cotton bollworm body, the insects are like anesthesia, immediately fell from the cotton tree, no 2 days will die.

After the development of this biological pesticide, the experts spent another four years, after the laboratory, 5 acres of the middle of the experimental and 45 acres below the semi-closed experimental environmental release experiments, confirmed that "recombinant cotton bollworm virus "It is safe for natural enemies of Helicoverpa armigera, the environment and water, and has also developed a technical guide to the safety assessment of genetically modified viruses. Recently, the study won the State Environmental Protection Agency environmental protection science and technology first prize.