Phoma exigua var. linicola
Encyclopedia
Phoma exigua var. linicola is a fungal
plant pathogen that affects flax
.
The disease is passed on in the seed. The effects are more pronounced after the plant has flowered. Brown discolorations can be seen with small black dots, the pycnidia
, where the spores are formed. The disease severely impacts the fiber quality.
Fungus
A fungus is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds , as well as the more familiar mushrooms. These organisms are classified as a kingdom, Fungi, which is separate from plants, animals, and bacteria...
plant pathogen that affects flax
Flax
Flax is a member of the genus Linum in the family Linaceae. It is native to the region extending from the eastern Mediterranean to India and was probably first domesticated in the Fertile Crescent...
.
The disease is passed on in the seed. The effects are more pronounced after the plant has flowered. Brown discolorations can be seen with small black dots, the pycnidia
Pycnidium
A pycnidium is an asexual fruiting body produced by mitosporic fungi in the form order Sphaeropsidales . It is often spherical or inversely pearshaped and its internal cavity is lined with conidiophores. When ripe, an opening generally appears at the top, through which the pycnidiospores escape....
, where the spores are formed. The disease severely impacts the fiber quality.