Embryo development in Phaseolus

1
Embryo development in Phaseolus

• Post-fertilisation events are the major
  reproductive barriers
• P. polyanthus x P. vulgaris embryo abortion
  before 6 DAP due to deficient endosperm
  development (e.g. multinucleated endosperm - CoEn)

End
CoEn
Section in a P. polyanthus x P. vulgaris seed 6
DAP (courtesy of P. Geerts)