Analysis of Line × Tester Progenies Compared in Orthogonally Supplemented Efficiency Balanced Incomplete Block Design

✍ Scribed by Z. Kaczmarek; H. Kielczewska; T. Luczkiewicz

• Publisher: John Wiley and Sons
• Year: 1986
• Tongue: English
• Weight: 586 KB
• Volume: 28
• Category: Article
• ISSN: 0323-3847
• DOI: 10.1002/bimj.4710280110

✦ Synopsis

An analysis of experimental design is suggested for comparing progenies of line Xtester mating system. The line xtester mating system is an expanded top-cross mating system, used frequently in practice. This system is of interest for breeders dealing with estimation and testing of general as well as specific combining abilities. I n the suggested design, treatments, i.e. hybrids obtained in crosseB, and testers are studied in orthogonally supplemented incomplete block design. Analysis of variance has been presented, estimators of expected values for progenies and for testers have been given, testing of hypotheses concerning contrasts of intereat for progenies, lines and testers has been discussed. Estimators of effects of general and specific combining abilities as well as tests permitting for testing the significance of various genetic parameters, have also been given.