Page 346 - Applied Pharmacognosy
P. 346

• Artificial mutation may arise by:
• exposure to ionizing radiations (x –rays , Gama–rays and

  radio active isotopes).
• exposure to non - ionizing radiations (UV).
• the action of certain mutagenic chemical agents.

                                                                                                                                         345
   341   342   343   344   345   346   347   348   349   350   351