List of flax diseases

This article is a list of diseases of flax (Linum usitatissimum and other Linum spp.).

Fungal diseases

Fungal diseases
Anthracnose	Colletotrichum lini
Basal stem blight	Phoma spp. Phoma exigua var. linicola
Brown stem blight	Alternaria linicola
Browning (and) stem break	Aureobasidium lini Guignardia fulvida [teleomorph]
Damping-off, root rot, and seedling blight	Alternaria spp. Colletotrichum lini Fusarium spp. Pythium spp. Rhizoctonia solani Thanatephorus cucumeris [teleomorph] Thielaviopsis basicola Chalara elegans [synanamorph]
Dieback	Selenophoma linicola
Pasmo	Septoria linicola Mycosphaerella linicola [teleomorph]
Rust	Melampsora lini = Melampsora lini var. lini
Stem mold & rot	Sclerotinia sclerotiorum
Wilt	Fusarium oxysporum f.sp. lini

Virus and mycoplasmalike organism (MLO) diseases
Aster yellows	Phytoplasma
Crinkle	Oat blue dwarf virus

Miscellaneous diseases or disorders
Boll blight	Extreme high temperatures
Chlorosis	Alkaline and very wet soils; mineral deficiencies; herbicide damage
Extreme high or low temperatures cause cankers at soil level
Stem twisting and bending	Herbicide damage and soil and temperature conditions