In this article we will discuss about:- 1. Occurrence of Pythium 2. Predisposing Factors of Pythium Debaryanum 3. Mode of Infection 4. Symptoms 5. Economic Importance 6. Salient Features. Occurrence of Pythium: P. debaryanum is the classic example of the most common species of Pythium which causes the widespread "damping off" disease of tobacco, tomato, mustard, chillies and cress seedlings. [...]
In this article we will discuss about the reproduction in sclerospora. This will also help you to draw the structure and diagram of reproduction in sclerospora. Asexual Reproduction in Sclerospora: Asexual reproduction occurs by means of sporangia produced on sporangiophores. These are generally formed on leaves when temperature and relative humidity are favourable. Prior to the formation of sporangiophores the [...]
In this article we will discuss about the life cycle of zoospores. Mycelium in Zoospores: The vegetative phase is variable. It ranges from a simple, unicellular thallus to an extensively developed, flamentous structure (mycelium) consisting of branched, coenocytic hyphae. The hyphae grow in and around the medium. The oomycete hyphal wall contains cellulose but no chitin. Glucans or mannans [...]