SEED STRUCTURE AND EMBRYO DEVELOPMENT OF SESELI RESINOSUM (APIACEAE)

Year 2019, Volume: 3 Issue: 4, 365 - 370, 29.10.2019

Hanife İris , Ayşe Kaplan

https://doi.org/10.26900/jsp.3.036

Abstract

The male and female gametophyte development in Seseli resinosum Freyn et
Sint were studied with a-light microscope. In order to study the embryology of
Seseli resinosum Freyn & Synth that an endemic plant spreading in
Zonguldak-Bartin region development of the seed and embryo have been examined.
Embryo development of Seseli resinosum was solanad type. In the sections taken
zygote, proembryo, 4-cell embryo, 8-cell embryo, spherical embryo, heart-shaped
embryo stages were observed. There are differences in the participation of the
integument in the formation of the testa. In Apiaceae, only the epidermis of
the outer integument forms the seed coat. Since the fruit type is a schizocarp,
the testa and the pericarp are inseparable. Testa was seen as 3 or 6 layers.
The layers consist of thin-walled cells. The outermost layer is single row and
its thickness is less than the other layers.

Keywords

Seseli resinosum, Apiaceae, Seed structure, Embryo development

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