The mode of reproduction in crop plants may be broadly grouped into three categories: Vegetative, Apomictic and Sexual. Mode # 1. Vegetative or Asexual: In this type of reproduction the vegetative parts of the plants act as propagule in place of seed. This mode is mostly found in all those plants where there is no seed set, long reproduction cycle [...]
The following points highlight the three events that take place during the sexual reproduction. The events are: 1. Pre-Fertilization Events 2. Fertilisation 3. Post-Fertilisation Events. 1. Pre-Fertilization Events: All the events of sexual reproduction that take place before the fusion of gametes are included in this category. Two main pre-fertilisation events are gametogenesis (formation of gametes) and gamete transfer. (i) [...]
The following points highlight the three modes of reproduction in algae. The modes are: 1. Vegetative 2. Asexual 3. Sexual. Mode # 1. Vegetative Reproduction: In this type, any vegetative part of the thallus develops into new individual. It does not involve any spore formation and there is no alternation of generations. It is the most common method of reproduction [...]