A child in Africa
 
Genetically modified crops PHAM VAN CHUYEN
Overview <ul><li>Definition </li></ul><ul><li>Method  </li></ul><ul><li>Usefulness of GM crops </li></ul><ul><li>Harmfulne...
Definition <ul><li>A genetically modified crop (GMC) is an plant whose genetic characteristics have been altered by  human...
Method  Note: Bt:  Bacterium thuringiensis
Usefulness of GM crops <ul><li>Pest resistance  </li></ul><ul><li>Disease resistance  </li></ul><ul><li>Herbicide toleranc...
Usefulness of GM crops <ul><li>1,2  Pest & Disease resistance  </li></ul>
Usefulness of GM crops <ul><li>Herbicide tolerance </li></ul>
4. Drought tolerance <ul><li>Corn crops under drought stress   </li></ul>
Result Genetically Modified  Cotton (contains a bacterial gene for pest resistance) Standard Cotton
5. Nutrition  :   Golden rice Worldwide, 7% of children suffer vitamin A deficiency, many of them living in regions in whi...
Pharmaceuticals & Phytoremediation <ul><li>– ‘ Spike’ protein gene of the pig corona virus in the same family as the Sever...
Harmfulness of GM crops <ul><li>Human health  </li></ul><ul><li>-  Allergen and toxin </li></ul><ul><li>-  Unknown effects...
Human health <ul><li>Allergen  and toxin </li></ul><ul><li>Unknown effects on human health  </li></ul>
Environmental hazards  <ul><li>Unintended harm to other organisms   </li></ul>
Environmental hazards 2,  Gene transfer to non-target species
Environmental hazards <ul><li>BT resistance Insect </li></ul>Larva eating GM crop leaf
Timeline & status <ul><li>1986 –  Federal “Coordinated Framework” for regulating biotech </li></ul><ul><li>1994  –   First...
Some result of Study Timeline & status
0 10 20 30 40 50 60 70 80 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Global Area of Biotech Crops, 1996 t...
Source: Clive James, 2008 Global Adoption Rates (%) for Principal GM Crops (Million Hectares) 2007 M Acres 346 247 198 99 ...
GM Crop Countries and Mega-Countries, 2007
Vietnam and GM crops <ul><li>Vietnam begin to research GM crops from 1990 </li></ul><ul><li>In Vietnam, institutes planed ...
Conclusion Improved Nutrition Resistance to disease Reduced use of chemicals Environmental risks Health risks Economic ris...
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Genetic Modified Crops

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Genetic Modified Crops

  1. 1. A child in Africa
  2. 3. Genetically modified crops PHAM VAN CHUYEN
  3. 4. Overview <ul><li>Definition </li></ul><ul><li>Method </li></ul><ul><li>Usefulness of GM crops </li></ul><ul><li>Harmfulness of GM crops </li></ul><ul><li>Timeline and status </li></ul><ul><li>Vietnam and GM crops </li></ul><ul><li>Conclusion </li></ul>
  4. 5. Definition <ul><li>A genetically modified crop (GMC) is an plant whose genetic characteristics have been altered by human </li></ul>
  5. 6. Method Note: Bt: Bacterium thuringiensis
  6. 7. Usefulness of GM crops <ul><li>Pest resistance </li></ul><ul><li>Disease resistance </li></ul><ul><li>Herbicide tolerance </li></ul><ul><li>Drought tolerance </li></ul><ul><li>Nutrition </li></ul><ul><li>Pharmaceuticals </li></ul><ul><li>Phytoremediation </li></ul>
  7. 8. Usefulness of GM crops <ul><li>1,2 Pest & Disease resistance </li></ul>
  8. 9. Usefulness of GM crops <ul><li>Herbicide tolerance </li></ul>
  9. 10. 4. Drought tolerance <ul><li>Corn crops under drought stress </li></ul>
  10. 11. Result Genetically Modified Cotton (contains a bacterial gene for pest resistance) Standard Cotton
  11. 12. 5. Nutrition : Golden rice Worldwide, 7% of children suffer vitamin A deficiency, many of them living in regions in which rice is a staple of the diet. Golden rice (yellow) with standard rice (white).
  12. 13. Pharmaceuticals & Phytoremediation <ul><li>– ‘ Spike’ protein gene of the pig corona virus in the same family as the Severe Acute Respiratory Syndrome (SARS) virus </li></ul><ul><li>– Glycoprotein gene gp 120 of the AIDS virus HIV-1 incorporated into GM maize as a cheap edible oral vaccine </li></ul>
  13. 14. Harmfulness of GM crops <ul><li>Human health </li></ul><ul><li>- Allergen and toxin </li></ul><ul><li>- Unknown effects on human health </li></ul><ul><li>Environmental hazards </li></ul><ul><li>- Unintended harm to other organisms </li></ul><ul><li>- Gene transfer to non-target species </li></ul><ul><li>- BT resistance Insect </li></ul>
  14. 15. Human health <ul><li>Allergen and toxin </li></ul><ul><li>Unknown effects on human health </li></ul>
  15. 16. Environmental hazards <ul><li>Unintended harm to other organisms </li></ul>
  16. 17. Environmental hazards 2, Gene transfer to non-target species
  17. 18. Environmental hazards <ul><li>BT resistance Insect </li></ul>Larva eating GM crop leaf
  18. 19. Timeline & status <ul><li>1986 – Federal “Coordinated Framework” for regulating biotech </li></ul><ul><li>1994 – First biotech food approved (Flavr Savr tomato) </li></ul><ul><li>1996 – First GM corn seed is sold; GM crops enter the food supply </li></ul>
  19. 20. Some result of Study Timeline & status
  20. 21. 0 10 20 30 40 50 60 70 80 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Global Area of Biotech Crops, 1996 to 2007: By Trait (Million Hectares) Source: Clive James, 2008 Herbicide Tolerance Insect Resistance Herbicide Tolerance/Insect Resistance
  21. 22. Source: Clive James, 2008 Global Adoption Rates (%) for Principal GM Crops (Million Hectares) 2007 M Acres 346 247 198 99 148 49 0 297 396 91 64% 0 20 40 60 80 100 120 140 160 Soybean Cotton Maize Canola standard GM crops 35 43% 148 24% 27 20%
  22. 23. GM Crop Countries and Mega-Countries, 2007
  23. 24. Vietnam and GM crops <ul><li>Vietnam begin to research GM crops from 1990 </li></ul><ul><li>In Vietnam, institutes planed GM crops: rice, maize, potato </li></ul>
  24. 25. Conclusion Improved Nutrition Resistance to disease Reduced use of chemicals Environmental risks Health risks Economic risks <ul><li>So are GM foods a good or bad thing? </li></ul><ul><li>It depend on each individual case </li></ul><ul><li>In future, we will become agronomist, so did you have your own idea about Gm crops? </li></ul>
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