Stability of Early Maturing Soybean Genotypes in Poland

Danuta Kurasiak-Popowska (), Agnieszka Katańska-Kaczmarek, Przemysław Matysik, Piotr Stefański, Patrycja Przybył, Ewa Skotarczak and Jerzy Nawracała
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Danuta Kurasiak-Popowska: Department of Genetics and Plant Breeding, Faculty of Agriculture, Horticulture and Biotechnology, Poznan University of Life Sciences, Dojazd 11, 60-632 Poznan, Poland
Agnieszka Katańska-Kaczmarek: DANKO Hodowla Roślin Sp. z o.o. z/s w Choryni, Choryń 27, 64-005 Choryń, Poland
Przemysław Matysik: Plant Breeding Strzelce Ltd., Co., ul. Główna 20, 99-307 Strzelce, Poland
Piotr Stefański: Plant Breeding Strzelce Ltd., Co., ul. Główna 20, 99-307 Strzelce, Poland
Patrycja Przybył: DANKO Hodowla Roślin Sp. z o.o. z/s w Choryni, Choryń 27, 64-005 Choryń, Poland
Ewa Skotarczak: Department of Mathematical and Statistical Methods, Faculty of Agriculture, Horticulture and Biotechnology, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland
Jerzy Nawracała: Department of Genetics and Plant Breeding, Faculty of Agriculture, Horticulture and Biotechnology, Poznan University of Life Sciences, Dojazd 11, 60-632 Poznan, Poland

Agriculture, 2024, vol. 14, issue 12, 1-16

Abstract: Poland is one of the northernmost countries in the world where soybean breeding is actively conducted. A large collection of soybean genotypes was analyzed in three locations in Poland during the 2022–2023 growing seasons. The objective of this research was to determine the stability of yield, as well as the protein and fat content in the seeds of 280 genotypes. The phenotypic correlations across genotypes and environments were assessed using the Spearman coefficient. The statistical analysis was provided using the additive main effects and multiplicative interaction model. The stability of genotypes was assessed using the weighted average of absolute scores. The main factor differentiating the results between locations was the variation in weather conditions. The variety Karok, which ranks among the top 10% in genotype selection indices for yield and thousand-seed weight, is recommended based on studies conducted within the Post-Registration Variety Testing System in three voivodeships in Poland. Among the most stable genotypes, in terms of the traits analyzed in this paper, are many registered and currently grown soybean varieties such as Obelix Pompei, Coraline, Kapral, ES Mentor, NS Mercury, Pepita, Pollux, Silesia, and Heihe 45. The yield stability of soybean genotypes during the development of new varieties should be one of the factors analyzed by breeders.

Keywords: vegetation period; weather conditions; yield (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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