Read the below given notes to learn about heterothallism with the help of diagram. The term Heterothallism was first used by an American geneticist A.F. Blakeslee in 1904 when he observed that zygospores could develop in some spp. only when two mycelia of different strains were allowed to come in contact with each other. Blakeslee made these observations as a [...]
In this article we will discuss about the economic importance of rust fungi. The order included a group of some 4,500 species of highly specialized and economically most important internal parasites which attack higher plants and sometimes the ferns. They are economically important because majority of them cause disease of cereals and other crops resulting in enormous losses. In spite [...]
In this article we will discuss about:- 1. Introduction to Sphacelotheca 2. Symptoms of the Smut Caused by Sphacelotheca 3. Mycelium 4. Reproduction. Introduction to Sphacelotheca: Sphacelotheca causes smut of Sorghum (Jowar). In India, three species of the genus attack Jowar plants causing serious diseases. The grain smut or covered smut of Jowar is caused by S. sorghi, the loose [...]