Breeding of Vegetable, Spice and Tuber crops (2+1)

Chemical Induced Male Sterility

• The chemical which induces male sterility artificially is called as male gametocide.
  
• It is rapid method but the sterility is non-heritable.
• In this system A, B and R lines are not maintained.
  
• Some of the male gametocides used are gibberellins (rice, maize), Sodium Methyl Arsenate (rice) and Maleic hydrazide (wheat, onion).