/
Tutorial on managing hybrid crossing and making a Line x Tester trial

Tutorial on managing hybrid crossing and making a Line x Tester trial

08 Oct, 2025

This tutorial assumes that the user has a good knowledge of the basic functions and operation of BMS and shows how these functions can be used to facilitate a hybrid breeding program. The user is expected to obtain their own input lists and follow the steps with their own germplasm.

Step-by-step guide

Full instructions here: 

CONTENTS

  1. Fixing and coding some inbred lines. 

  2. Make some hybrid test crosses. 

  3. Make a Line x Tester Trial 

  4. Analyse the Line x Tester Trial 

  5. Make a second generation of test crosses using the Cross Design Tool 

  6. Advance the selected lines and the testers. 

  7. Make a new Crossing nursery. 

  8. Annex 1. Review of coding functionality as specified for CIMMYT GMP. 

Related articles