Environment–Time Coupled Selection Index
This index evaluates performance jointly across time (t) and environment (e), enabling realistic and stability-oriented selection.
Mathematical Definition
I(t,e) = Σ bᵢ(t,e) · xᵢ(t,e)
Interactive Environment–Time Index Calculator
| Factor | xᵢ(t,e) | bᵢ(t,e) |
|---|
Interpretation:
Repeating this calculation across environments allows identification of stable, broadly adapted genotypes or entities.
Repeating this calculation across environments allows identification of stable, broadly adapted genotypes or entities.
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