<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Variability among experimental plots may be a relevant problem in field genotype experiments, especially when a large number of entries are involved. Four field trials on 24 durum wheat genotypes were conducted in 2013/14 in order to evaluate the efficiency of Incomplete Block, Alpha and Augmented designs in comparison with the traditional Randomized Complete Block Design (RCBD). The results showed that the RCBD can be replaced by an Alpha design, which provides better control of variability among the experimental units when the number of treatments to be tested in an experiment exceeds twenty. The ranking of the genotypes across the four designs was not constant.</p></abstract>

Variability among experimental plots may be a relevant problem in field genotype experiments, especially when a large number of entries are involved. Four field trials on 24 durum wheat genotypes were conducted in 2013/14 in order to evaluate the efficiency of Incomplete Block, Alpha and Augmented designs in comparison with the traditional Randomized Complete Block Design (RCBD). The results showed that the RCBD can be replaced by an Alpha design, which provides better control of variability among the experimental units when the number of treatments to be tested in an experiment exceeds twenty. The ranking of the genotypes across the four designs was not constant.

Evaluation of experimental designs in durum wheat trials

Faculty of Crop Science, Laboratory of Plant Breeding and Biometry, Agricultural University of Athens, 11855, Athens, Greece

Department of Mathematics, National Technical University of Athens, Zografou 15773, Athens, Greece

Biometrical Letters

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Evaluation of experimental designs in durum wheat trials"}

Variability among experimental plots may be a relevant problem in field genotype experiments, especially when a large number of entries are involved. Four...

Evaluation of experimental designs in durum wheat trials

Online veröffentlicht: 12. Dez. 2015

Seitenbereich: 105 - 114

DOI: https://doi.org/10.1515/bile-2015-0010

Schlüsselwörter
Alpha design, Incomplete Block design, Augmented design, Relative Efficiency

© by Anastasios Katsileros

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Evaluation of experimental designs in durum wheat trials

Online veröffentlicht: 12. Dez. 2015

Seitenbereich: 105 - 114

DOI: https://doi.org/10.1515/bile-2015-0010

SchlüsselwörterAlpha design, Incomplete Block design, Augmented design, Relative Efficiency

© by Anastasios Katsileros

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Schlüsselwörter
Alpha design, Incomplete Block design, Augmented design, Relative Efficiency