In this article we will discuss about the general features and development of deuteromycetes. General Features of Deuteromycetes: This class comprises a group of fungi in which only the asexual or imperfect stage is known. The sexual stage also called the perfect stage is unknown. The latter is either non-existent or has not been discovered so far. The life cycle [...]
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 [...]