Diseases of Safflower
(Carthamus tinctorius L.)

John M. Klisiewicz, collator (last update 3/16/93)

BACTERIAL DISEASE

Bacterial leaf spot and stem blight

Pseudomonas syringae van Hall

FUNGAL DISEASES

Alternaria leaf spot

Alternaria carthami Chowdhury

Botrytis hard rot

Botrytis cinerea Pers.:Fr.

(teleomorph: Botryotinia fuckeliana (de Bary) Whetzel)

Cercospora leaf spot

Cercospora spp.

Charcoal rot

Macrophomina phaseolina (Tassi) Goidanich

Damping-off

Pythium spp.

Phytophthora spp.

Fusarium wilt

Fusarium oxysporum Schlechtend.:Fr. f. sp. carthami Klisiewicz & Houston

Phytophthora root and stem rot

Phytophthora spp.

P. cactorum (Lebert & Cohn) J. Schröt.

P. cryptogea Pethybr. & Lafferty

P. drechsleri Tucker

P. nicotianae Breda de Hann var. parasitica (Dastur) G.M.
   Waterhouse = P. parasitica Dastur

Pythium root rot

Pythium spp.

Powdery mildew

Erysiphe cichoracearum DC.

(anamorph: Oidium asteris-punicei Peck)

Ramularia leaf spot

Ramularia spp.

Rhizoctonia blight, stem canker

Rhizoctonia solani Kühn

(teleomorph: Thanatephorus cucumeris (A.B. Frank) Donk)

Rust (foliage and hypocotyl)

Puccinia calcitrapae DC. var. centaureae (DC.) Cummins

= P. carthami Corda

P. verruca Thuem.

Sclerotinia stem rot and head blight

Sclerotinia sclerotiorum (Lib.) de Bary

Septoria leaf spot

Septoria spp.

Verticillium wilt

Verticillium dahliae Kleb.

NEMATODES, PARASITIC

Root-knot

Meloidogyne spp.

PARASITIC HIGHER PLANTS

Dodder

Cuscuta spp.

PHYSIOLOGICAL DISORDERS

Boron toxicity

Excess boron levels

VIRUS DISEASES

Alfalfa mosaic

Alfalfa mosaic virus

Cucumber mosaic

Cucumber mosaic virus

Lettuce mosaic and necrosis

Lettuce mosaic virus

Phyllody

MLO

Turnip mosaic and necrosis

Turnip mosaic virus