Friday, February 17, 2012

5.10 Breeding plants

Understand that plants with desired characteristics can be developed by selective breeding

Selective breeding 

  • decide which characteristics are important/desired
  • choose parents that show these characteristics
  • select the best offspring from parents to breed the next generation
  • repeat the process continuously. 
2. Crop plants are bred to produce strains that:

  • give higher yields 
  • are resistant to certain diseases
  • are resistant to insect pest damage
  • are hardier (so that they survive harsher climates or are productive for longer periods of the year)
  • have a better balance of nutrients in the crop 

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