2022
DOI: 10.3390/agronomy12030633
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Multidimensional Analysis of Diversity in Genotypes of Winter Oilseed Rape (Brassica napus L.)

Abstract: The effect of genotype, environment (year, location) and their interaction on seed yield and important breeding traits of 25 genotypes of winter oilseed rape were investigated under field conditions in Greater Poland. Multi-environmental field experiments were conducted in a randomized block design with four replications during three growing seasons in two locations. Five traits, such as the beginning of flowering, seed yield and its structure, the length of siliques, the number of seeds per silique and the we… Show more

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Cited by 6 publications
(4 citation statements)
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“…The AMMI model provides a useful tool in diagnosing TYI patterns and improving the accuracy of response estimates. It enables clustering of genotypes based on similarity of response characteristics and identifying potential trends in environments (Bocianowski et al , 2019b(Bocianowski et al , 2019cFotso et al 2018;Bocianowski and Liersch 2022). The suggested strategy could extract more information from the TYI, thereby aiding researchers in identifying specific treatments with competitive yields across diverse years (Paderewski et al 2016;Podlaski et al 2017;Bocianowski et al 2021b).…”
Section: Discussionmentioning
confidence: 99%
“…The AMMI model provides a useful tool in diagnosing TYI patterns and improving the accuracy of response estimates. It enables clustering of genotypes based on similarity of response characteristics and identifying potential trends in environments (Bocianowski et al , 2019b(Bocianowski et al , 2019cFotso et al 2018;Bocianowski and Liersch 2022). The suggested strategy could extract more information from the TYI, thereby aiding researchers in identifying specific treatments with competitive yields across diverse years (Paderewski et al 2016;Podlaski et al 2017;Bocianowski et al 2021b).…”
Section: Discussionmentioning
confidence: 99%
“…A canonical variance analysis (CVA) was applied to present a multi-trait assessment of the similarity for the tested groups of compounds in lower dimensions with the least possible loss of information. The Mahalanobis distances 45 were used as a measure of the "multi-trait" similarity of groups of compounds 46 , the significance of which was verified using the critical value D a , the least significant distance 47 . Mahalanobis distances were calculated for all pairs of groups of compounds.…”
Section: Methodsmentioning
confidence: 99%
“…The normality of the distribution of the observed traits was tested using Shapiro–Wilk’s normality test to check whether the analysis of variance (ANOVA) met the assumption that the ANOVA model residuals followed a normal distribution. The homogeneity of variance was tested using Bartlett’s test [ 46 ]. A one-way analysis of variance (ANOVA) was carried out to determine the main effect of line on the variability of both studied traits.…”
Section: Methodsmentioning
confidence: 99%