logging in or signing up 08 Peng Rebecca Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 204 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: January 25, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Slide1: Workshop on modern biology & its social impacts 2-5 Dec 2007, Xishuanbanna, Yunnan, China Environmental Impacts of GM Crops for Insect-Resistance Yufa Peng Biosafety Research Centre, CAAS, Beijing yfpeng@ippcaas.cnMOA Inspection and Test Center for Environmental Safety of Transgenic Crops: MOA Inspection and Test Center for Environmental Safety of Transgenic Crops Lab testing Environmental testingThe major crops under field testing: The major crops under field testing Rice Cotton Soybean Corn PotatoSlide4: 1 2 3 4 Experimental Stations for Environmental safety of Bt cotton 1-Langfang,Hebei（1997-） 2-An Yang, Henan（1997-） 3-Tianmen, Hubei（2001-） 4- Kashi, Xinjiang（2001-） Langfang Environmental Impacts of Bt CottonSlide5: Population dynamics of non-target pests and natural enemies in Bt cotton field Number of predators increased due to reduced pesticide uses in Bt cotton field The damage of aphid reduced due to higher population of natural enemies Mirids become the major pests in Bt cotton Slide6: Impact of Bt Cotton Pollen On Silkworms No significant difference was observed on mortality of silkworm at the density of 100 pollen grains/cm2 in Bt cotton field or Chinese tussah silkworm at the density of 1000 pollen grains/cm2 in Bt corn field compared to non-Bt controls Antheraea pernyi Bombyx moriSlide7: Effects on Arthropod Biodiversity of Bt Cotton A higher diversity in species and a better structure of arthropod community in Bt cotton fieldSlide8: Monitoring the Bt toxin residue in soil of Bt cotton field The contents of Cry1Ac toxin in soil in Langfang,Hebei, Jiangsu, Henan, Shandong were less than ELISA test limitSlide9: Cotton Wheat Cotton Corn Cotton Soybean/Peanut Functions of cotton bollworm refuges with different planting models 1st 2nd 3rd fourth generation larvae Corn Soybean Peanut Different planting models Soybean/PeanutResistance evaluation of Bt cotton lines to cotton bollworm: Resistance evaluation of Bt cotton lines to cotton bollwormSlide11: Environmental testing of GM soybean Slide12: survival: less weediness: without advantage GM soybeanSlide13: Gene flow frequency 0.0316％～0.6％ maximum flow distance: 20m GM soybean Local soybean variety GM soybeanSlide14: GM to wild soybean: 0.15%-1.3% GM to conventional cultivars to yellow soybeans 0.058%-1.63% to black soybeans 0.051%-0.16 ％ GM soybeanSlide15: Direct observations Vacuum-suction machine GM soybeanSlide16: effect on Arthropods of soybean no significant differences Aphids Greenish hawk moth Been blister beetle Dotted bug GM soybeanSlide17: effects on nature enemy of soybean pests ladybird spider GM soybeanSlide18: effects on nature enemies of soybean diseases no significant differences Downy mildew GM soybeanSlide19: Environmental impact testing of transgenic Corn MON810 , MON863 resistant to insects GA21, NK603 tolerant to herbicide Bt 11, 176 resistant to insects TC1705 resistant to insects DAS-59122-7 resistant to insects and tolerant to herbicide T25 tolerant to herbicide MONSANTO SYNGENTA Du PONT BAYERSlide20: survival: less weediness: without advantage transgenic cornSlide21: GM corn 5m: 0.93% to 19.57% 15m: 0.88% to 6.67% 30m: 0.32% to 1.76% 60m: 0.23% to 1% transgenic cornSlide22: Pitfall trap Vaccum-sucking machine Visual Observation Dissecting the stem transgenic cornSlide23: transgenic corn good control on Asian corn borer Bt corn Non-Bt corn damaged by Asian corn borer, Ostrinia furnacalis Bt corn Non-Bt corn Damaged by peach borerSlide24: transgenic corn effects on non-target insects of Bt corn no significant differences Corn leaf aphid ThripsSlide25: transgenic corn effects on natural enemies of corn pests no significant difference Lacewing Propylaea japonica Harmonia axyridis Slide26: transgenic corn effects on corn diseases Curvularia leaf spot grey leaf spot Corn northern leaf blight Common smutConcluding remarks: Concluding remarks Cotton bollworm and Bt cotton cultivation Genetic stability for 10 years Not an invasive weed Bt-proteins in cotton cultivars does not appear to alter the fitness to survive in natural habitats Effects on non-target insects and biodiversity Insect resistance and IPM strategyFor regulation, have to know vs. nice to know For research, understanding & cooperation: For regulation, have to know vs. nice to know For research, understanding & cooperation Thank you ! 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08 Peng Rebecca Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 204 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: January 25, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Slide1: Workshop on modern biology & its social impacts 2-5 Dec 2007, Xishuanbanna, Yunnan, China Environmental Impacts of GM Crops for Insect-Resistance Yufa Peng Biosafety Research Centre, CAAS, Beijing yfpeng@ippcaas.cnMOA Inspection and Test Center for Environmental Safety of Transgenic Crops: MOA Inspection and Test Center for Environmental Safety of Transgenic Crops Lab testing Environmental testingThe major crops under field testing: The major crops under field testing Rice Cotton Soybean Corn PotatoSlide4: 1 2 3 4 Experimental Stations for Environmental safety of Bt cotton 1-Langfang,Hebei（1997-） 2-An Yang, Henan（1997-） 3-Tianmen, Hubei（2001-） 4- Kashi, Xinjiang（2001-） Langfang Environmental Impacts of Bt CottonSlide5: Population dynamics of non-target pests and natural enemies in Bt cotton field Number of predators increased due to reduced pesticide uses in Bt cotton field The damage of aphid reduced due to higher population of natural enemies Mirids become the major pests in Bt cotton Slide6: Impact of Bt Cotton Pollen On Silkworms No significant difference was observed on mortality of silkworm at the density of 100 pollen grains/cm2 in Bt cotton field or Chinese tussah silkworm at the density of 1000 pollen grains/cm2 in Bt corn field compared to non-Bt controls Antheraea pernyi Bombyx moriSlide7: Effects on Arthropod Biodiversity of Bt Cotton A higher diversity in species and a better structure of arthropod community in Bt cotton fieldSlide8: Monitoring the Bt toxin residue in soil of Bt cotton field The contents of Cry1Ac toxin in soil in Langfang,Hebei, Jiangsu, Henan, Shandong were less than ELISA test limitSlide9: Cotton Wheat Cotton Corn Cotton Soybean/Peanut Functions of cotton bollworm refuges with different planting models 1st 2nd 3rd fourth generation larvae Corn Soybean Peanut Different planting models Soybean/PeanutResistance evaluation of Bt cotton lines to cotton bollworm: Resistance evaluation of Bt cotton lines to cotton bollwormSlide11: Environmental testing of GM soybean Slide12: survival: less weediness: without advantage GM soybeanSlide13: Gene flow frequency 0.0316％～0.6％ maximum flow distance: 20m GM soybean Local soybean variety GM soybeanSlide14: GM to wild soybean: 0.15%-1.3% GM to conventional cultivars to yellow soybeans 0.058%-1.63% to black soybeans 0.051%-0.16 ％ GM soybeanSlide15: Direct observations Vacuum-suction machine GM soybeanSlide16: effect on Arthropods of soybean no significant differences Aphids Greenish hawk moth Been blister beetle Dotted bug GM soybeanSlide17: effects on nature enemy of soybean pests ladybird spider GM soybeanSlide18: effects on nature enemies of soybean diseases no significant differences Downy mildew GM soybeanSlide19: Environmental impact testing of transgenic Corn MON810 , MON863 resistant to insects GA21, NK603 tolerant to herbicide Bt 11, 176 resistant to insects TC1705 resistant to insects DAS-59122-7 resistant to insects and tolerant to herbicide T25 tolerant to herbicide MONSANTO SYNGENTA Du PONT BAYERSlide20: survival: less weediness: without advantage transgenic cornSlide21: GM corn 5m: 0.93% to 19.57% 15m: 0.88% to 6.67% 30m: 0.32% to 1.76% 60m: 0.23% to 1% transgenic cornSlide22: Pitfall trap Vaccum-sucking machine Visual Observation Dissecting the stem transgenic cornSlide23: transgenic corn good control on Asian corn borer Bt corn Non-Bt corn damaged by Asian corn borer, Ostrinia furnacalis Bt corn Non-Bt corn Damaged by peach borerSlide24: transgenic corn effects on non-target insects of Bt corn no significant differences Corn leaf aphid ThripsSlide25: transgenic corn effects on natural enemies of corn pests no significant difference Lacewing Propylaea japonica Harmonia axyridis Slide26: transgenic corn effects on corn diseases Curvularia leaf spot grey leaf spot Corn northern leaf blight Common smutConcluding remarks: Concluding remarks Cotton bollworm and Bt cotton cultivation Genetic stability for 10 years Not an invasive weed Bt-proteins in cotton cultivars does not appear to alter the fitness to survive in natural habitats Effects on non-target insects and biodiversity Insect resistance and IPM strategyFor regulation, have to know vs. nice to know For research, understanding & cooperation: For regulation, have to know vs. nice to know For research, understanding & cooperation Thank you !