Table 1.

Production of Viable Hybrid Seed by Different Crosses

Mother xaFather xHybrid Seed %Stage of Failureb
A. t.c 2C. a.d 40Globular
C. a. 4A. t. 20Pre-globular
A. t. 4C. a. 45Various (see Results)
C. a. 4A. t. 40Pre-globular
  • a Monoploid (haploid) number.

  • b Stage of embryo in failed seed.

  • c A. t., A. thaliana.

  • d C. a., C. arenosa.