Читать книгу Principles of Plant Genetics and Breeding - George Acquaah - Страница 352

This is the most common mechanism of apomixis in higher plants. It is a type of agamospermy that involves the nucellar. The somatic cells of the ovule divide mitotically to form an unreduced (2n) embryonic sac. The megaspore or young embryo sac aborts, as occurs in species such as Kentucky bluegrass (Poa pratensis).