Design and Analysis of Breeding Trials

The course is designed to acquaint Plant Breeders with the different designs used in breeding trials, analysis of single and multi-environment trials, and the use of biplots in explaining GxE.  It also introduces PBTools, a user-friendly software that uses GUI created in Java and functions developed in R to assist Plant Breeders in the design and analysis of data.   It employs a combination of lecture, group exercises, and hands-on exercises using PBTools.

Training Objectives

  • Describe the three essential components of an experimental design and explain the importance of each component.
  • Identify the advantages and disadvantages of using the different experimental designs used in variety trials.
  • Generate randomization and electronic field book using PBTools.
  • Demonstrate how to analyze single and multi-environment trials using PBTools.
  • Introduce the use of biplots in multi-environment trials

Course Content

  • Experimental designs used in breeding trials
  • Analysis of single environment trials
  • Analysis of multi-environment trials
  • Introduction to biplots
Date and Venue

April 13-17, 2015
International Rice Research Institute
Los Baños, Laguna, Philippines

Course Coordinator/Organizer


Ms. Violeta Bartolome

Senior Associate Scientist - Biometrics
Biometrics and Breeding Informatics
Plant Breeding, Genetics, and Biotechnology


Contact Information

Noel Magor

Head, Training Center
International Rice Research Institute
DAPO Box 7777, Metro Manila, Philippines
Fax: (63- 2) 891-1292; 580 5699
Phone: (63- 2) 845-0563; 580 5600 ext 2538
Email:  IRRITraining@irri.org
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