Host Plants - Westcott's Plant Disease - page 504

C ANKER , Felt Fungus. Septobasidium curtisii,
NC.
L EAF

concentricum, AL, MS, SC, TX, VA;
Phyllosticta euonymi, NY to MS and TX;
P. pallens, AL; Septoria euonymi, MS, VA;
S. atropurpurea, IL; Ramularia euonymi,
CA, IA, KS, MO; Marssonina thomasiana,
OH to WI, MO; Myocentrospora sp., OH.
N EMATODE , Root Knot. Meloidogyne

S POT . Actinopelte dryina, LA;

Mycosphaerella molleriana, CA;

Phyllosticta extensa, CA.
N ONPARASITIC . Chlorosis. Iron deficiency, CA.
P OWDERY M ILDEW . Golovinomyces sp.,

cichoracearum, AZ.
R OT , Heart; Wood. Ganoderma applanatum;
Polyporus spp.; Stereum hirsutum.
R OT , Root. Clitocybe tabescens, FL; Armillaria
mellea, CA; Phymatotrichum omnivorum,
TX.
Many other fungi may be found on leaves,
twigs, and branches but are not reported as caus-
ing specific diseases.

MD, TX.
P OWDERY M ILDEW . Microsphaera alni,NJtoSD
and southward; Oidium euonymi-japonici,
AL, CA, IA, LA, MS, NJ, SC, TX, WA.
R OT , Crown. Phytophthora cactorum.
R OT , Root. Phymatotrichum omnivorum, TX;
Fusarium scirpi, NJ.
V IRUS . Euonymus Mosaic; Infectious Variega-
tion, MA.
The Oidium mildew is prevalent throughout
the South and in California. Crown gall is com-
mon, with conspicuous knobs along the vines, but
seldom fatal.

Eucharis (Amazon-Lily)

B LIGHT , Gray Mold. Botrytis cinerea, FL.
L EAF S CORCH ; Red Blotch. Stagonospora
curtisii, CA.
V IRUS . Tomato Spotted Wilt, PA.

Eupatorium (Boneset, Blue Mist-
flower, Dogfennel, White Snakeroot,
Joe-Pye Weed)

Eugenia B LIGHT , Gray Mold; Canker. Botrytis cinerea,NJ.

D OWNY M ILDEW . Plasmopara halstedii,NYto
MD, KS, MO, TX, WV, WI.
L EAF S POT . Ascochyta compositarum, WV, WI;
Cercospora ageratoides, AL, MS, NJ, TX,
WV; Phyllosticta decidua; P. eupatorina,
IL, NJ; Septoria eupatorii, IL, MD, MS, NJ,
TX; S. eupatoriicola, IL.
N EMATODE , Root Knot. Meloidogyne sp., AL, FL;
M. hapla.
P OWDERY M ILDEW . Golovinomyces
cichoracearum, general in East to TX, MN.
R OT , Root. Phymatotrichum omnivorum,TX.
R OT , Stem. Sclerotium rolfsii, CT, IL, MD, NJ,
TX; Rhizoctonia solani, NJ.
R UST . Puccinia conoclinii (II, III) MD to AL, IL,
TX; P. eleocharidis (0, I), widespread in east-
ern and central states; II, III on Eleocharis ;
P. tenuis (0, I, III), MA to NC, MN, NE;
P. tolimensis (III), NY.
S MUT , White. Entyloma compositarum, IL, IA,
MS, WV, WI.

B LACK M ILDEW . Asterinella puiggarii, FL.
D IEBACK . Fusicoccum, Neoscytalidium and
Botryosphaeria, FL.
L EAF S POT . Pezizella oenotherae, NY.
R OT , Root. Clitocybe tabescens, FL.

Euonymus (Burning-Bush, Spindle-
Tree)

A NTHRACNOSE . Colletotrichum griseum, AL, NJ,
NY, GA to TX, AR; Gloeosporium frigidum,
AR, MS.
B ACTERIAL Crown Gall. Agrobacterium
tumefaciens, CT, MI, MS, NJ, SC, TX.
B LIGHT , Thread. Pellicularia koleroga, LA.
D IEBACK , ANKER , Basal. Whetzelinia
sclerotiorum ( Sclerotinia ), RI.
L EAF S POT . Cercospora destructiva, VA to TX;
C. euonymi, PA to WI; Exosporium