期刊
CROP BREEDING AND APPLIED BIOTECHNOLOGY
卷 9, 期 1, 页码 8-16出版社
BRAZILIAN SOC PLANT BREEDING
DOI: 10.12702/1984-7033.v09n01a02
关键词
Principal components; genotype-environment interaction; statistical analysis
资金
- CNPq
This study was carried out to propose a modification of the centroid method. The method is modified in the choice of the ideotype. to be defined according to the researchers interest, using the bi-segmented regression model. rather than based on experimental data, which limit the comparison of genotypes. To illustrate the method. one trait was simulated in 25 genotypes in 8 environments. For the simulations and statistical analyses the software package GENES was used. The multiple centroid is more flexible than the original centroid method. since it can be used according to the researcher's objective and the desired recommendation strategy. It is also readily interpretable for recommendation and unambiguous. Besides. the number of genotypes of interest can be compared, making a detailed study possible. by separating the genotypes into recommendation classes.
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