In this article we will discuss about the classification of phylum Basidiomycota. 1. Class Urediniomycetes: The class Urediniomycetes includes the rust fungi, that cause rust diseases of plants, and symbiotic fungi that parasitise insects parasitising plants and form intricate fungal structures called 'fungal gardens'. The two types of fungi are placed in two orders, Uredinales and Septobasidiales, respectively: Order Uriedinales: [...]
Learn about the comparison between the three rusts of wheat. Comparison # Black Rust (P. Graminis): i. Stems are most seriously attacked, followed by leaf sheaths, leaves and 'ears', in decreasing order. First noticed in plains in March-April. ii. Uredosori rust-red, large and elongated which coalesce to form continuous pustules. The overlying epidermis breaks irregularly. iii. Uredospores oval with four [...]
There is a single class, Oomycetes, which is further divided into 7 orders. We shall study some genera belonging to the orders Saprolegniales, Pythiales and Peronosporales. Order Saprolegniales (Water Molds): The term 'water molds' is generally used for genera belonging to this order. The zoospores are formed in zoosporangia. A peculiar feature of this order is the production of two [...]