In this article we will discuss about the vegetative, asexual and sexual methods of reproduction that occur in the life cycle of oedogonium. (i) Vegetative Reproduction: Vegetative reproduction takes place by fragmentation and akinete formation. (A) Fragmentation: Oedogonium filament breaks into many small fragments which have capability to grow into complete filaments under favourable conditions. Fragmentation takes place due to [...]
In this article we will discuss about:- 1. Occurrence of Coleochaete 2. Thallus Structure of Coleochaete 3. Cell Structure 4. Growth 5. Reproduction 6. Life Cycle 7. Affinities. Occurrence of Coleochaete: The genus Coleochaete is the only representative of the family Coleochaetaceae. It is represented by about ten species of which three species—C. orbicularis, C. nitellarum and C. scutata are [...]
In this article we will discuss about the thallus and cell structure of chara with the help of suitable diagrams. Thallus Structure of Chara: The thallus of Chara is branched, multicellular and macroscopic. The thallus is normally 20-30 cm. in height but often may be up to 90 cm to l m. Some species like C. hatei are small and [...]