A remark on genotype selection in plant breeding projects

• Autorzy: Ewa Bakinowska , Andrzej Bichoński , Radosław Kala , Bogna Zawieja
• Języki publikacji: EN

Abstrakty

EN

One of the main problems in plant breeding is the selection of the best genotypes. Most often the selection is made using yield as a main trait of continuous type, and ignoring the other traits of discrete type. Here, a simple procedure is proposed for dealing with the selection problem using not only the yield, but also an auxiliary discrete trait. The method is based on transforming the continuous variable into a discrete one and testing the dependence of variables with the use of contingency tables. The procedure is illustrated by a real unreplicated experiment with winter wheat.

Słowa kluczowe

EN

continuous trait; discrete trait; contingency table; chi-squared test

• Wydawca: De Gruyter Open
• Czasopismo: Biometrical Letters
• Rocznik: 2015
• Tom: 52
• Numer: 2
• Strony: 131-137

Daty

wydano

2015-12-01

online

2015-12-12

Twórcy

autor

Ewa Bakinowska

• Institute of Mathematics, Poznan University of Technology, Piotrowo 3A, 60-965 Poznań, Poland

autor

Andrzej Bichoński

• Malopolska Breeding Company Polanowice, Zbożowa 4, 30-002 Kraków, Poland

autor

Radosław Kala

• Department of Mathematical and Statistical Methods, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznań, Poland

autor

Bogna Zawieja

• Department of Mathematical and Statistical Methods, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznań, Poland

Bibliografia

• Agresti, A. (1984): Analysis of Ordinal Categorical Data. New York: Wiley.
• Agresti, A. (2002): Categorical Data Analysis, 2nd edn. NewYork:Wiley.
• Ambroży K., Bakinowska E., Bocianowski J., Budka A., Pilarczyk W., Zawieja B. (2008a): Statistical support of selection decisions at early stage of cereal breeding. Part I. Methods of estimation of treatment effects. Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin (Bulletin of the Institute of Plant Breeding and Acclimatization) 250: 21-28.
• Ambroży K., Bakinowska E., Bocianowski J., Budka A., Pilarczyk W., Zawieja B. (2008b): Statistical support of selection decisions at early stage of cereal breeding. Part II. Empirical comparison of treatment effects estimation methods. Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin (Bulletin of the Institute of Plant Breeding and Acclimatization) 250: 29-39.
• Dobek A., Kala R. (1995): On the analysis of experiments with unreplicated varieties. Biuletyn Oceny Odmian 26-27: 73-82.
• Kempton R. (1984): The design and analysis of unreplicated field experiments. Vtr. Pfanzenzchtg. 7: 219-242.
• Yates, F. (1934): Contingency tables involving small numbers and the χ² test. J. Royal Statist. Soc., Suppl. 1: 217-235.

Identyfikatory

DOI

10.1515/bile-2015-0012