abida Archive

Economic Importance of Fungi

(a) Role of fungi in Agriculture or crop production Decomposition and humus formation: Fungi decompose the dead animals and plants. Fungi change them into humus. rums is decomposed organic matter. It plays an important role in germination of plant. It provides important nutrient to

TYPE 3: AGARICUS (Mushrooms)

The members of this genus are commonly called mushrooms. Mushrooms grow on soil. They are abundantly found on soil with decry plant material and moisture. The specie ,4garietts campsites is very common. This species is edible. It is cult hated for commercial purposes.  

TYPE 2: PUCCINIA (Rust)

Occurrence Puccinia is large genus. It has several obligatory parasitic species.tritici is a parasite of wheat. It completes its life cycle in two different hosts: wheat and barely. Thus it is hetcrocious rust. It infects the stem of wheat and causes black or stem

BASIDIOMYCOTAi

TYPE 1: USTILAGO (Smut) Occurrence Usti.ago is parasite on the grasses like wheat. It is commonly called smut. It attacks on the ovaries of grasses. Sometimes, it completely destoy the whole ears (wheat) and produces black powdery mass of spores. Ustilago tritici is common

PHYLLACTINIA (Only for B.S.)

Scientific classification Kingdom: Fungi Phylum: Ascomvcota Class: Leotionmetes Subclass: Leotiomvcetidae Order: Erysinhales Family: Ervsimhaceae Genus: Phyllactinia   Occurrence There are number of species of genus Phyllactinia. P. dalbergiae is commonest species found growing on the leaves of Dalbergia sissou (shnharn). The specimens can be

TYPE 3: ALTERNARIA

Occurrence AItemaria is a very common saprophytic fungus. It decomposes the dead part of the plants. A few species of Altemaria can attack on living tissues. Alternaria causes diseases in plants like early blight of potatoes and boll rots of cotton. Fig: Alternaria whoa,

TYPE 2: SACCHAROMYCES (Yeast)

Yea ds are common in soil and on decay fruits. Yeasts are found in ails substrates which are rich in sugary substance. Yeast has great industrial importance. They are used in fermentation of sugar into alcohol. Yeasts are extensively used in bakeries and breweries.

ASCOMYCOT-TX

TYPE 1: PENICILLIUM (blue green mold) Occurrence Penicillium is a common mold. It is found on different substrata. It is most commonly found on citrus and other fruits. It is also found on f000stuffs, jellies, old leather, and paper and in the soil. Pencillium

TYPE: PYTHIUM

Occurrence It is common in soil water. Its various species live as saprophyte. Some of them live on decaying plant as parasites. The parasitic stage attacks the roots and the seedlings. It causes disease Damping-off. Pyd him debaryanum causes this disease. Some species are

PLASMODIOPHOROMYCOTA

Type: Plasmodiophora Occurrence Gen JS Plasmodiophora has single specie. Plasmodiophora brassicae. It is intracellular parasite in the roots of members of family brassicae like cabbage. turnips etc. It causes disease club roots or linger-and­toe disease. In this disease the roots are swelled and become