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'''Ligniera pilorum''' is a species of [[fungus]] in the family [[Plasmodiophoraceae]]. It is a [[parasite]] that affects the roots of plants, particularly those in the [[Poaceae]] family, which includes grasses and cereals. The fungus is known to cause significant damage to crops, leading to substantial economic losses.

== Taxonomy ==
The species was first described in 1909 by the French mycologist [[Jules Lignier]]. The genus name ''Ligniera'' honours Lignier, while the species epithet ''pilorum'' is derived from the Latin for 'of the hairs', referring to the hair-like structures produced by the fungus.

== Description ==
''Ligniera pilorum'' is a microscopic, soil-borne fungus. It produces [[zoospore]]s that are attracted to the roots of host plants. Once a zoospore encounters a root, it encysts and penetrates the root tissue, where it begins to reproduce. The fungus forms plasmodia within the root cells, which eventually give rise to new zoospores. These are released into the soil when the infected root cells rupture.

== Distribution and habitat ==
''Ligniera pilorum'' is found worldwide, wherever plants of the Poaceae family are grown. It is particularly prevalent in agricultural regions where cereals are cultivated. The fungus thrives in moist, warm soil conditions.

== Impact ==
The infection of plant roots by ''Ligniera pilorum'' can lead to a condition known as [[root rot]], which can cause wilting, yellowing, and eventual death of the plant. This can result in significant yield losses in affected crops.

== Control ==
Control of ''Ligniera pilorum'' is challenging due to its soil-borne nature and wide host range. However, strategies such as crop rotation, use of resistant cultivars, and soil fumigation can help to manage the disease.

== See also ==
* [[List of Poaceae diseases]]
* [[Plant pathology]]

[[Category:Fungi]]
[[Category:Plant pathogens and diseases]]
[[Category:Poaceae]]
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Ligniera pilorum - Revision history

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