In this article we will discuss about:- 1. Introduction to Phytophthora Infestans 2. Vegetative Structure of Phytophthora Infestans 3. Reproduction. Introduction to Phytophthora Infestans: The most important species is Phytophthora infestans, which causes late blight disease of potato by which the Ireland famine took place in 1845. The pathogen is most destructive in low temperature and high humidity. Some other [...]
In this article we will discuss about:- 1. Introduction to Pythium 2. Vegetative Structure of Pythium 3. Reproduction. Introduction to Pythium: The genus Pythium (Gr. pythein — to cause to rot) is represented by 92 species, of which 28 species are reported from India. Several species of Pythium grow as saprophytes in soil, in water; on decaying matters, but some [...]
In this article we will discuss about the vegetative structure and reproduction in Rhizopus Stolonifer. Vegetative Structure of Rhizopus Stolonifer: The vegetative plant body is eucarpic and consists of white cottony, much branched mycelium. The mycelial plant body is differentiated into nodes and internodes (Fig. 4.25A). The internodal region is the aerial and arching hyphae, known as stolon, which when [...]