References

Title: Principles of Plant Breeding.

Author: R. W. Allard.

Publisher: John Wiley & Sons, Inc.

Year: 1960 ISBN: 0 471 02310 8

See Chapter 14

Title: Principles of Cultivar Development, Vol 1

Author: W. R. Fehr

Publisher: Iowa Book Year: 1991

ISBN: 0-9635989-0-2

See Chapter 28

Title: Introduction to Plant Breeding

Author: Fred N. Briggs and P. F. Knowles, Editors

Publisher: Reinhold Publishing Corporation

Year: 1967

ISBN: Unavailable