In this article we will discuss about the economic importance of basidiomycetes. The well developed, filamentous mycelium consists of a mass of branched, septate hyphae generally spreading in a fanshaped manner. Some of them are the causative agents of most destructive diseases of our cereal crops. The fourth, and final, division in the kingdom fungi that we will cover is the phylum basidiomycota fig. This is the phylum that you are probably most familiar with because it contains fungi which are generally referred to as gilled fungi or gilled mushrooms. Basidiomycetes definition, any of a group of fungi constituting the phylum basidiomycota of the kingdom fungi or, in older classification schemes, the class basidiomycetes of the kingdom plantae, characterized by bearing the spores on a basidium, including the. The class comprises the smuts, rusts, mushrooms, and puffballs.
However, with over 25,000 classified species, it also houses diverse members such as puffballs, shelf fungi, and rusts which are. The third phylum of fungi, the basidiomycetes has about 22,000 named species. The main structure is the basidiocarp, the reproductive mushroom part of a basidiomcycete that makes spores and spreads them to the wind. Basidiomycetes caracteristicas generales pdf hongo plantas. What are the general characteristics of basidiomycetes. In this article we will discuss about the life cycle of basidiomycetes with the help of suitable diagrams. The majority of edible fungi belong to the phylum basidiomycota. Until recently the morphology of the basidium was believed to be a key to determining relationship in the basidiomycota. They have characteristic sexual reproductive structure called basidium, which is clubshaped, and its the place where karyogami or fusion of two nuclei occurs. These we call sequestrate, because the mature basidiospores are kept inside the basidioma.
Basidiomycetes definition of basidiomycetes by medical. Among the basidiomycetes are not only the mushrooms, toadstools, puffballs, jelly fungi, and shelf fungi, but also many important plant pathogens including rusts and smuts. Life cycle of basidiomycetes with diagram club fungi. Basidiomycetes are a diverse assemblage of fungi represented by over 20,000 species worldwide. Basidiomycetes they include some of the most familiar fungi such as mushrooms, toadstools, puffballs, jelly fungi, shelf fungi, and some plant pathogens including rusts and smuts. Basidiomycetes zygote undergoes meiosis, immediately, following karyogamy. The most diagnostic feature is the production of basidia sing.
More specifically, basidiomycota includes these groups. Indeed, basidiomycota are so variable that it is impossible to identify any morphological characteristics that are both unique to the group and constant in the group. Basidiomycota are unicellular or multicellular, sexual or asexual, and terrestrial or aquatic. Lactarius deliciosus, es decir, pertenece al genero. They include the familiar, agaris, boletes, club and coral fungi, chanterelles, jelly fungi. Basidiospres form on sterimata, basidiospores formation, nuclei migration. Many of the basidiomycetes are of great economic importance because of their beneficial as well as harmful nature. Excluding mycotoxins, there is only one human pathogen, the. The diagnostic characteristics of the basidiomycetes are the presence of basidium bearing basidiospores, clamp connections and doliopore septa the visible part of the fungus is the sporocarp, the basidiocarp or basidiome basidium originates from a binucleated structure where the karyogamy and the meiosis occur. Abstract rust fungi uredinales, basidiomycetes are one of the most diverse and economicallyimportant plant pathogens of crops worldwide. Basidiomycetes clamp connectionswere present in dikaryon in example given. The class basidiomycetes includes those members that produce their basidia and basidiospores on or in a basidiocarp. In most basidiomycetes, these spores are then actively expelled from their perches fig 5. They are obligated parasites and have a close evolutionary relationship with their plant hosts.