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Heterosis of Agronomic Traits in Alfalfa

Dep. of Agronomy, Iowa State Univ., Ames, IA 50011

View larger version (17K): [in a new window]   Fig. 1. Observed vs. expected alfalfa vigor score (1 = least to 5 = most) for sativa x sativa, sativa x falcata, and falcata x falcata crosses, across two Iowa locations in May 1999.

View larger version (15K): [in a new window]   Fig. 2. Observed vs. expected alfalfa height for sativa x sativa, sativa x falcata, and falcata x falcata crosses, across two Iowa locations and three height measurements (May, July, and September) in 1999.

View larger version (17K): [in a new window]   Fig. 3. Observed vs. expected alfalfa winter injury score (1 = least to 5 = most) for sativa x sativa, sativa x falcata, and falcata x falcata crosses, across two Iowa locations in April 1999.