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 [...]
Learn about the comparison among Puccinia Graminis, Puccinia Recondita and Puccinia Striiformis. Comparison # Puccinia Graminis: 1. Puccinia Graminis appears in last week of November in South India and in March in North India. 2. Infected region of Puccinia Graminis is mainly stem, then leaf sheath, leaf blade and ear. 3. In Puccinia Graminis, Uredosori are large elongated, dark brown [...]