Multi-trait evaluation of oilseed rape varieties

Katarzyna Waszak, Konrad Banaś, Jacek Broniarz, Tomasz Lenartowicz, Henryk Bujak, Agnieszka Łacka and Marcin Przystalski
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Katarzyna Waszak: Research Centre for Cultivar Testing, Słupia Wielka, Poland
Konrad Banaś: Department of Mathematical and Statistical Methods, Poznań University of Life Sciences, Poznań, Poland
Jacek Broniarz: Research Centre for Cultivar Testing, Słupia Wielka, Poland
Tomasz Lenartowicz: Research Centre for Cultivar Testing, Słupia Wielka, Poland
Henryk Bujak: Research Centre for Cultivar Testing, Słupia Wielka, Poland
Agnieszka Łacka: Department of Mathematical and Statistical Methods, Poznań University of Life Sciences, Poznań, Poland
Marcin Przystalski: Research Centre for Cultivar Testing, Słupia Wielka, Poland

Plant, Soil and Environment, 2025, vol. 71, issue 12, 860-872

Abstract: The multifaceted nature of agricultural management and environmental factors complicates the production of winter oilseed rape (Brassica napus L.). This study evaluated 25 varieties (21 hybrids and four populations) in three growing seasons (2020/21, 2021/22 and 2022/23) in Poland. The focus was on yield, fat content, and resistance to Sclerotinia sclerotiorum. The analyses revealed significant variability among the varieties, with the hybrids performing better consistently in terms of yield and fat content. The level of resistance to Sclerotinia was similar in hybrid and population varieties. Furthermore, DK Excited was found to be the highest-yielding variety, while Duke had the highest fat content. Derrick was the most resistant to S. sclerotiorum. Advocat and Dynamic were identified as the best varieties. In the analysed series of field trials, yield was found to be affected by high temperatures and a lack of rainfall in March, June, and July. For fat content, a lack of rainfall in July was the main limiting factor.

Keywords: multiple character analysis; comparison of hybrids with population varieties; Shukla'; s stability variance (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:71:y:2025:i:12:id:337-2025-pse

DOI: 10.17221/337/2025-PSE

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