Pureline selection

• Pureline selection has been the most commonly used method of improvement of self-pollinated crops.
• Almost all the present-day varieties of self-pollinated crops are pure lines.
• Pureline selection has several applications in improvement of self-pollinated crops. It is used to improve.

1. Local varieties
2. Old pureline varieties and
3. Introduced varieties

Characters of purelines

1. All the plants within a pureline have the same genotype
2. The variation within a pureline is environmental and non-heritable
3. Purelines are stable