What is the classification of Puccinia?

Pucciniomycetes
Puccinia/Class

What type of fungus is Puccinia?

All species in this genus are obligate plant pathogens and are known as rusts….

How do you get rid of Puccinia Malvacearum?

Cut down hollyhock plants at the end of the season and burn or bury the debris. Use fungicides if necessary. Chlorothalonil and sulfur are good choices. Apply them every seven to ten days or more often if it rains.

How do you identify a Puccinia?

poarum results in large, circular, yellow or orange-red spots that protrude from the undersides of the leaves,. The spots often have a purple margin and sometimes a central hole. On the lower leaf surface, 20-30 cup-shaped aecia of the fungus form on each gall.

What does the uredospore of a Puccinia look like?

The uredospore’s are golden brown and oblong, ovate or ellipsoidal in shape. They are double walled, echinulate, binucleate (the two nuclei belonging to opposite strains) and possess four equatorially arranged germ pores (Fig. 4 B).

How are uredospores formed in a dikaryotic mycelium?

• A few days after infection, dikaryotic mycelium form a specialized pustules or sori on the surface of the host tissue called uredosorus. Uredospores are formed on uredosorus. • Uredospores are produced on long stalks and each spore is bi-nucleate, red or orange coloured and oval to round in outline.

What is the name of the black stage of Puccinia?

Now the red stage is gradually replaced by “black stage” or causes black rust of wheat • At first, teleutospores are formed on uredosorus, later teleutospores are formed in specialized pustules called teleutosori and the stage is called telial stage.

Where are Uredo, teleuto and aecial stages of Puccinia graminis produced?

Out of these five stages, Uredo stage, Teleuto stage are produced on the primary host (wheat) and remaining two stages, (spermogonial and aecial stages) are produced on the secondary host i.e., barberry.