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'''Pythium spp.'''


It is a genus of parasitic oomycete. They are usually characterized by their production of coenocytic hyphae, hyphae without septations. They contain a single oospore and an elongated and club-shaped antheridium. 



{| border="1" style="text-align: left;"

|+ '''Scientific classification'''

!Kingdom || Chromalveolata
|-
! Phylum || Heterokontophyta
|-
! Class || Oomycetes
|-
! Order || Pythiales
|-
! Family || Pythiaceae
|-
! Genus || Pythium

|}



==Pathogenic Activity==
Pythium root rot is a common crop disease caused by a genus of organisms called Pythium. These are commonly called water moulds. Pythium damping off is a very common problem in fields and greenhouses, where the organism kills newly emerged seedlings.

==Ecological importance==
Many Pythium species, along with their close relatives, Phytophthora species are plant pathogens of economic importance in agriculture.


==References==

[http://en.wikipedia.org/wiki/Pythium Wikipedia]



[[category: PolysacDB]]