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 [...]
In this article we will discuss about the vegetative and sexual reproduction that occur in the life cycle of sargassum. (A) Vegetative Reproduction in Sargassum: Sargassum multiplies profusely by vegetative fragmentation. The thallus breaks into fragments due to mechanical injury or death and decay of older parts. The species like S. hystrix and S. natans growing in Sargasso sea are [...]