In this article we will discuss about the classification of fucales. Family Fucaceae: Plants are dichotomous or pinnate strap-shaped simple or with costate branches, in some cases with piliferous cryptostomata, often with buoyant air bladders. Receptacular portions of the thallus terminate main branches or form stalked lateral branch- lets, heterogamous to oogamous. Each oogonium forms several eggs. Genus Fucus of [...]
In this article we will discuss about Sargassum:- 1. Occurrence of Sargassum 2. Thallus Structure of Sargassum 3. Growth. Occurrence of Sargassum: The genus Sargassum is represented by about 150 species. The genus is widely distribute; specially in warmer regions mainly in tropical and subtropical seas of the southern hemisphere. The plants form large floating masses in the Atlantic ocean [...]
In this article we will discuss about the asexual and sexual reproduction that occurs in the life cycle of ectocarpus. (i) Asexual Reproduction in Ectocarpus: The asexual reproduction takes places with the help of biflagellate zoospores. These zoospores are produced in unilocular and plurilocular sporangia (Fig. 1 B). The sporophytic diploid plant forms two types of sporangia: (a) Unilocular sporangia [...]