Fig. 3

Heatmap showing the relationships between grain yield and stability statistics based on Spearman’s rank correlation test. GY grain yield, S⁽ⁱ⁾ Huehn’s (1979) and Nassar and Huehn’s (1987) nonparametric stability statistics, NP⁽ⁱ⁾ Thennarasu’s (1995) nonparametric stability statistics, LR Kang’s (1988) rank-sum, W_i² Wricke’s (1962) ecovalance, σ_i² Shukla’s (1972) stability variance, S_di² deviation from regression, bi slope of regression line, θ_i Plaisted and Peterson’s (1959) mean variance component, θ_i' Plaisted’s (1960) GE variance component, Pi Lin and Binns’s (1988) superiority index, R² Pinthus’s (1973) coefficients of determination, ASV AMMI stability value, SIPC sum of the absolute value of the IPCA scores, EV average of the squared eigenvector values, Za the absolute value of the relative contribution of IPCAs to the interaction, WAASB the weighted average of absolute scores. ns, * and ** indicate nonsignificant, and significant at 0.05 and 0.01 probability levels, respectively