In this article we will discuss about:- 1. Heterothallism in Fungi 2. Heterokaryosis in Fungi 3. Parasexuality. Heterothallism in Fungi: A. F. Blakeslee, an American Geneticist, in 1904 made an important observation with Mucor, which resulted in the discovery of Heterothallism. Blakeslee observed, that while some isolates of Mucor formed sporangia as well as zygospores (e.g., M. tenuis), some others [...]
Under agricultural field conditions, crops do not have roots, they have mycorrhiza. Mycorrhizas (sing, mycorrhiza), discovered by the German botanist, Frank in 1885, are structures formed by association of fungi and roots of plants. Mycorrhizas are classified into three categories- ectotophic, endotrophic and ectendotrophic. In ectotrophic mycorrhiza, the fungus forms a mantle or hyphal sheath around the rootlets and also [...]
In this article we will discuss about:- 1. Meaning of Lichens 2. Habitat and the Thallus of Lichens 3. Reproduction 4. Economic Importance 5. Resynthesis. Contents: Meaning of Lichens Habitat and the Thallus of Lichens Reproduction of Lichens Economic Importance of Lichens Resynthesis of Lichens in Laboratory 1. Meaning of Lichens: Lichen is an association between an alga and a [...]