AgriInfo.in
AgronomyHorticultureBotanySoil SciencePlant PathologyEntomologyExtentionAgril. EngineeringDairy ScienceEconomics
 
categories
 
» Soil Microbiology
» Crop Disease and Management
» Introductory Plant Pathology
agriculture information

Current Category » Introductory Plant Pathology

Classes of Sub Division Basidiomycotina

1) Basidiocarp Absent:

It is replaced by teliospore or chlamydospore grouped in sori, Scattered within host cell and parasite on vascular plants.
Class: Teliomycetes
E.g. Rust and Smut Fungi

2) Basidiocarp Present:

i) Basidiocarp gymnocarpous:(Open or semi angiocarpous)

(Open at its later stage of development)   
 Basidiospores are Ballistospores
Class: Hymenomycetes
E.g. Edible or nonedible mushroom

ii) Basidiocarp- Angiocarpous i.e closed:

Basidiospores are not Ballistospores
Class: Puff ball, Birds nest fungi.

Orders of Class Teliomycetes:

i) Order- Uredinales

a. Rust fungi
b. Basidispore are formed in definite number i.e. four on each promycelium.
c. Basidispore are formed on sterigmata.
d. Clamp connections are rare.
e. Sex organs (receptive hypha and sepermatia present)
f. Basidiosphore discharge is active in rust.
g. Heterocism, polymorphism present.
h. Teliospores are terminal.

ii) Ustilaginales:

a, Smut fungi,
b. Basidispore are formed in indicate number.
c. Sterigmata absent.
d. Clamp connections are common.
e. Sex organs totally absent.
f. Basidispores discharge is passive in smut.
g. heterocism, polymorphism absent
h. Teliospores are intercalary cells of mycelium.

Class Hymenomycetes :

Order- Agaricales

i) Family- Agaricaceae

a. Genus- Agaaricus
b. Character- Edible mushroom
E .g. A compestris – common or field mushroom.
E. g. A. biosporus- Cultivated mushroom

ii) Family: Tricholomataceae:

a. Pleurotus
b. Genus- Pleurotus
c. E.g. Flabellatus most edible species of mushroom.

Class- Hymenomycetes

Order – Aphyllophorales or Polyporales

Genus- Gandoderma

Annual or perennial mostly saprophytic it cause it causes brown rot and white rot.
E.g. G.lucidum medicinal value.

 

Current Category » Introductory Plant Pathology