The following points highlight the two types of conidia found on free conidiophores. The types are: 1. Thallospores 2. Conidiospores. Type # 1. Thallospores: These are asexual spores formed by the transformation of existing cells of the thallus. These spores are set free by decay or disarticulation of the parent hyphae but not by a process of abstraction. Thallospores may [...]
In this article we will discuss about:- 1. Genus of Cercospora 2. Mycelium of Cercospora 3. Reproduction. Genus of Cercospora: The form-genus Cercospora includes about 3,800 form-species. Majority of them are plant pathogens which cause leaf spot diseases of higher plants of economic value (Fig. 16.11 A). Commonly the leaf spot disease is called the tikka disease. C. personata and [...]
In this article we will discuss about:- 1. Introduction to Parasexual Cycle in Fungi 2. Steps involved in Parasexual Cycle 3. Significance. Introduction to Parasexual Cycle in Fungi: In some fungi, true sexual cycle comprising of nuclear fusion and meiosis is absent. These fungi derive the benefits of sexuality through a cycle known as Parasexual Cycle. The Parasexual Cycle is [...]