apogamy

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apogamy

[ə′päg·ə·mē]
(biology)
Asexual, parthenogenetic development of diploid cells, such as the development of a sporophyte from a gametophyte without fertilization.
References in periodicals archive ?
For example, it is well known that apogamous reproduction can be induced in cultures of gametophytes grown on artificial media (Cordle et al, 2012).
Antheridia and archegonia of the apogamous fern Pteris cretica.
While the long glandular hairs elongated and the short hairs began to produce farina, proliferative areas appeared below the notch that gave rise to the new apogamous sporophyte.
It may be that farina production in the gametophyte is triggered by the development of the apogamous sporophyte, because farina production by the gametophytes only occurs at gametophytic maturity.
All the cordate gametophytes produced rhizoids in the ventral side and developed apogamous buds in the dorsal side, in the cushion area behind the apical notch (Fig.
During the apogamous sporophyte development, an interesting phenomenon was noticed.
crenatopinnata was apogamous, whereas in the other species it was of the sexual reproductive type.
The results suggest it is apogamous with 2n=108 in this study.
These agree with the general rule that a sexual species usually has 64 spores per sporangium whereas there are typically 32 spores in an apogamous species.