TABLE 1

Fertility of pure species and hybrid F1 males

GenotypeNo. fertileNo. sterile% fertile
Bogota-ER2520100.0
USA ct sd y se267398.9
USA Ba/Dl890100.0
USA ct y1150100.0
USA Pt y126199.2
F1 (Bog-ER × ct y)52042.4
F1 (Bog-ER × ct y se sh)131756.9
F1 (Bog-ER × ct sd y se)92523.4
F1 (Bog-ER × D. per Kalana)a0370.0

In crosses, females are shown first.

  • a D. per, D. persimilis.