Negative dominance and dominance-by-dominance epistatic effects reduce grain-yield heterosis in wide crosses in wheat

Boeven, PHG; Zhao, YS; Thorwarth, P; Liu, F; Maurer, HP; Gils, M; Schachschneider, R; Schacht, J; Ebmeyer, E; Kazman, E; Mirdita, V; Dornte, J; Kontowski, S; Horbach, R; Coster, H; Holzapfel, J; Jacobi, A; Ramgraber, L; Reinbrecht, C; Starck, N; Varenne, P; Starke, A; Schurmann, F; Ganal, M; Polley, A; Hartung, J; Beier, S; Scholz, U; Longin, CFH; Reif, JC; Jiang, Y; Wurschum, T

Reif, JC (corresponding author), Leibniz Inst Plant Genet & Crop Plant Res IPK, D-06466 Stadt Seeland, Germany.

SCIENCE ADVANCES, 2020; 6 (24):

Abstract

The genetics underlying heterosis, the difference in performance of crosses compared with midparents, is hypothesized to vary with relatedness between......

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