<abstract xmlns="http://www.w3.org/1999/xhtml"><p>An analysis is made of results from early stages of testing of promising hybrids. The data consist of single-replicate trials performed by Norddeutsche Pflanzenzucht in 6 locations (5 in Poland and one in Germany). In total 165 hybrids were tested with 3 standard varieties. The subject of the analysis was the seed yield. Three measures of stability were used. The yield of tested hybrids is expressed as percentage of that of standard varieties. Wricke’s ecovalence expressed as a contribution to G x E interaction was used as a measure of stability. Additional characterization of the tested hybrids was performed by regressing hybrid yield on the mean yields of the experiment, as described by Finlay and Wilkinson and by Eberhart and Russel. The methods applied enabled selection of the most promising hybrids for further yield testing.</p></abstract>

An analysis is made of results from early stages of testing of promising hybrids. The data consist of single-replicate trials performed by Norddeutsche Pflanzenzucht in 6 locations (5 in Poland and one in Germany). In total 165 hybrids were tested with 3 standard varieties. The subject of the analysis was the seed yield. Three measures of stability were used. The yield of tested hybrids is expressed as percentage of that of standard varieties. Wricke’s ecovalence expressed as a contribution to G x E interaction was used as a measure of stability. Additional characterization of the tested hybrids was performed by regressing hybrid yield on the mean yields of the experiment, as described by Finlay and Wilkinson and by Eberhart and Russel. The methods applied enabled selection of the most promising hybrids for further yield testing.

Stability evaluation of oilseed rape hybrids in unreplicated trials carried out in different locations

Department of Mathematical and Statistical Methods

Wrocław University of Environmental and Life Sciences

Department of Genetics, Plant Breeding and Seed Production

Norddeutsche Pflanzenzucht Hans Georg Lembke KG, Hohenlieth,

Biometrical Letters

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

An analysis is made of results from early stages of testing of promising hybrids. The data consist of single-replicate trials performed by Norddeutsche...

Stability evaluation of oilseed rape hybrids in unreplicated trials carried out in different locations

Published Online: Jun 13, 2019

Page range: 59 - 70

DOI: https://doi.org/10.2478/bile-2019-0005

Keywords
breeding, ecovalence, standard varieties

© 2019 Bogna Zawieja et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Stability evaluation of oilseed rape hybrids in unreplicated trials carried out in different locations

Published Online: Jun 13, 2019

Page range: 59 - 70

DOI: https://doi.org/10.2478/bile-2019-0005

Keywordsbreeding, ecovalence, standard varieties

© 2019 Bogna Zawieja et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
breeding, ecovalence, standard varieties