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 [...]
In this article we will discuss about the life cycle of ustilago with the help of suitable diagrams. Mycelium of Ustilago: According to the nuclear behaviour, the mycelium of Ustilago passes through two distinct stages of development. These are the primary and secondary mycelia. The primary mycelium consists of hyaline, slender, septate hyphae with a single haploid(n) nucleus in each [...]