Host Plants - Westcott's Plant Disease - page 480

Clematis (including Virgins-Bower) Clethra (Sweet Pepperbush,

White-Alder)

B ACTERIAL Crown Gall. Agrobacterium

tumefaciens, MN, TX.
B LIGHT , Leaf. Phloeospora adusta, TX.
L EAF S POT . Ascochyta clematidina, widespread;
Cercospora rubigo, CA, WA; C. squalidula,
widespread; Cylindrosporium clematidis,
East and South; Glomerella cingulata, FL;
Phyllosticta clematidis, MT, VA;
Ramularia clematidis, MT; Septoria
clematidis, WA, WI; Sphaerella applanata,
MT, TX.
N EMATODE , Root Knot. Meloidogyne hapla,
ND.
P OWDERY M ILDEW .

G ALL , Red Leaf. Synchytrium vaccinii, NJ.
L EAF S POT . Phyllosticta clethricola, MD, NJ,
TX.
R OT , Root. Corticium galactinum.

Clinopodium (Basil-Weed)

L EAF S POT . Phyllostidcta deciduas, NY.
R UST . Puccinia menthae (0, I, II, III), MA to VA,
CO, WI.

Erysiphe polygoni,

Clintonia widespread.

R UST . Puccinia recondita (0, I), Rocky Mts. and
Pacific Coast; II, III on grasses; P. pulsatillae
(III), CA; P. stromatica (III), AL;
Tranzschelia viornae (II, III), TX.
S MUT . Urocystis carcinodes, UT.

G ALL , Leaf; False Rust. Synchytrium aureum,
WI.
R OT , Leaf. Ceratobasidium anceps, ME,
NY, WI.
R UST . Puccinia mesomajalis (III), CA,
ID, MI, MN, MT, NH, NY, OR, TN, VA,
WA, WI.

Cleome (Spider-Flower)

Clivia D OWNY M ILDEW . Peronospora parasitica, LA.

L EAF S POT . Cercospora cleomis, MI, NJ;
C. conspicua; Heterosporium hybridum,
IA, MT.
N EMATODE , Root Knot. Meloidogyne sp.
P OWDERY M ILDEW . Leveillula taurica, North
America.
R UST . Puccinia aristidae (0, I), AZ, CO, IN, MT,
NE, NM; II, III on grasses.

N EMATODE , Spiral. Rotylenchus brachyurus.

Clover (Trifolium incarnatum,
T. pratense, T. repens, T. stoloniferum,
T. subterraneum, T. vesiculosum)

B LACK S POT , Pseudomonas andropogonis, NC.
B LIGHT , Root; Crown Rot. Pythium ultimum;
P. irregulare; Fusarium proliferatum;
Rhizoctonia solani, GA, TX.
L EAF S POT . Cercospora zebrina, TX.
N EMATODE ,

Clerodendrum (Glorybower)

C ANKER , Stem. Kutilakesa pironii, FL.
L EAF S POT . Septoria phylctaenioides, SC;
Cercospora apii f. sp. clerodendri, FL.
N EMATODE , Root Knot. Meloidogyne sp., MD.
V IRUS . Zonate Ring Spot, FL.

Root-Knot. Meloidogyne

graminicola, MS.
V IRUS . Clover Yellow Mosaic; Crimson Clover
Latent; Cucumber Mosaic; Peanut Stunt,
MO; Red Clover Vein Mosaic; Suberranean