Host Plants - Westcott's Plant Disease - page 494

L EAF S POT . Phyllosticta oleae, FL, NC.
M ISTLETOE .

R UST . Gymnoconia peckiana, orange (0, I, III),
ME to VA, CA, MN, MO; Kuehneola
uredinis, yellow (0, I, II, III), ME to FL, CA,
KS, TX, WA; Kunkelia nitens, orange (I),
CA, OR, CT to FL, IA, TX; Mainsia rubi
(II, III), TX.
S POT A NTHRACNOSE . Elsino¨ veneta, general.
V IRUS . Raspberry Beta Leaf Curl, MI, OH, TX;
Raspberry Mosaic, CT, MI, NJ, NY, Pacific
Coast; Loganberry Dwarf, especially on
loganberry, CA, OR, WA.
W ILT . Verticillium albo-atrum, CA, OR, WA.
Use virus-free, bacterial-free, planting stock;
spray for anthracnose.

Phoradendron serotinum

(flavescens), FL.

Dewberry (Rubus)

B ACTERIAL Cane Gall. Agrobacterium rubi,
NY, OR.
B ACTERIAL Crown Gall. Agrobacterium

tumefaciens, general.
B ACTERIAL Hairy Root. Agrobacterium

rhizogenes, OR.
B LACK M ILDEW . Irenina sanguinea, AL, LA.
B LIGHT , Cane; D IEBACK . Leptosphaeria

coniothyrium, general; L. thomasiana,

Dianthus (Garden Pinks) OR, WA.

B LIGHT , Spur. Didymella applanata, OR, WA.
B LIGHT , Stamen; Dry Berry. Hapalosphaeria
deformans, OR, WA.
B LOTCH , Sooty. Gloeodes pomigena, NC, PA.
C ANKER ; Cane Spot. Ascospora ruborum, AL,
CA.
C ANKER ; Fruit Rot. Glomerella cingulata, GA,
IL, MD, MS.
D OWNY M ILDEW . Peronospora rubi, FL, MD,
WI, WA; P. potentillae, CT, IL, LA.
F RUIT S POT ; Flyspeck. Leptothyrium pomi, NC.
G ALL , Yellow Leaf. Synchytrium aureum, WI.
L EAF S POT . Mycosphaerella confusa, NJ to FL,
IL, TX; Pezizella oenotherae, MD to NC;
Phyllosticta ruborum, NY; P. dispergens,
IL; Septoria rubi (Mycosphaerella rubi),
general; S. darrowi, NY.
P OWDERY M ILDEW . Sphaerotheca macularis, IL,
IN, MN, OH, PA, Pacific Northwest.
R OSETTE ; Double Blossom. Cercosporella rubi,
NC to AL, LA, MS, TX, IL.
R OT , Collar. Rhizoctonia solani, TX, WA.
R OT , Fruit. Botrytis cinerea; Phyllosticta
carpogena, MD, NJ, NY, NC.
R OT , Root. Armillaria mellea, OR; Collybia
dryophila, NC; Corticium galactinum,
MD, VA, TX; Helicobasidium purpureum,
NC, TX; Phymatotrichum omnivorum, TX.

B LIGHT ; Stem Rot. Alternaria dianthi,

widespread.
B LIGHT , Gray Mold. Botrytis cinerea, AK.
B LIGHT , Southern. Sclerotium rolfsii, IL, TX.
L EAF , Blight. Rhizoctonia solani, LA.
L EAF S POT . Ascochyta dianthi, NY, MS;
Heterosporium echinulatum, CA, NY,
OR; Septoria dianthi, AL, MI, MS, NJ, NY,
NC.
N EMATODE , Root Knot. Meloidogyne sp., AL,
MS, TX.
R OT , Bud. Fusarium poae, NY.
R OT , Root. Phymatotrichum omnivorum, TX;
Pythium ultimum, CA.
R OT , Stem. Rhizoctonia solani, widespread.
R UST .

Puccinia arenariae, NY; Uromyces

dianthi (II, III), MS, NE, NY.
V IRUS . Beet Curly Top, CA; Carnation latent,
NY.

Dichondra (Lawn-Leaf) Grass
Substitute or Weed

B LIGHT , Southern. Sclerotium rolfsii, CA.
G ALL , Leaf. Synchytrium edgertonii, LA.