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

Advantages and Disadvantages of SSD Method

• Advantages
  
• Requires little space
• Saves time. Extensive field trials are not required.Little record keeping
• Fast especially with multiple generations / year
• Easy method to handle populations, handles large number of crosses
• Good for traits with low heritability
• Natural selection has little influence

• Disadvantages
  
• Little scope for natural selection
• Maximum productivity is established in F2 generations, superior plants may be lost
• No recombination occurrence among selected linesMust evaluate large numbers of inbred lines to find out superior ones.