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Association (with a trait) by environment biplot

 

 

 

 

 

 

See Interpretation of a covariate effect biplot.

 

In depth: This TABE biplot is similar to a covariate-effect by environment biplot in that both are based on a explanatory variable (traits) vs. response variable (target trait measured in various environments) two-way table. The difference is that the explanatory variables in the later are genetic values, i.e., averaged across environments. Genetic values of explanatory traits are equivalent to genetic covariate such as genes, QTL, or genetic markers. In a TABE biplot, it is the phenotypic values of the explanatory traits that are used in calculating the "trait associations".