Host Plants - Westcott's Plant Disease - page 472

L EAF S POT . Cercospora circumscissa
( Mycosphaerella cerasella ), NJ, PA, VA to
FL, TX; Alternaria citri var. cerasi, CA;
Phyllosticta pruni-avium, OR; Cercospora
graphioides and Phyllosticta serotina on
wild

Cherry Mottle Leaf; Cherry Necrotic
Rusty Mottle; Cherry Pink Fruit; Cherry
Pinto Leaf; Cherry Rasp Leaf; Cherry Ring
Spot; Cherry Rugose Mosaic; Cherry Rusty
Mottle; Cherry Twisted Leaf; Cherry Vein
Clearing; Cherry Yellows; Prune Dwarf;
Tomato Ring Spot; Stem Pitting; Prunus
Necrotic Ring Spot, CA, WA; Plum Pox,
WA.
V IRUS , Leafroll and Yellow Leaves. Nepovirus,
WA.

black cherry only; Coccomyces

lutescens, VA.
L EAF S POT ; Blight; Shot hole. Coccomyces
hiemalis, general.
M ISTLETOE . Phoradendron serotinum

(flavescens).
N EMATODE , Lesion. Pratylenchus sp.; P. vulnus,
CA.
N EMATODE , Root Knot. Meloidogyne

Cherry, Flowering, Oriental (Prunus
serrulata)

sp;

M. incognita; M. javanica.
N ONPARASITIC . Brown Bark Spot. Arsenical poi-
soning of soil, ID, MT, WA. Chlorosis. Alkali
injury, CA, TX. Little Leaf. Zinc deficiency,
CA, OR, WA.
P OWDERY M ILDEW . Podosphaera oxyacanthae,
general.
R OT , Brown. Monilinia fructicola, general;
M. laxa, MA, NY, RI, Argentina.
R OT , Fruit. Alternaria sp.; Botrytis cinerea;
Cladosporium herbarum, CA to WA and
ID; Lambertella sp., OR; Microstroma
tonellianum,MA;Penicillium expansum;
Rhizopus stolonifer, occasional in market;
Pullularia sp., Northwest; Mucor piriformis.
R OT , Green Fruit. Sclerotinia sclerotiorum,OR.
R OT , Heart; Wood. Fomes fomentarius, North-
east; Polyporus spp.; Poria ambigua, CA.
R OT , Root. Armillaria mellea, NM, OK, OR;
Phymatotrichum omnivorum, TX; Xylaria
spp., VA; Poria ambigua, CA.
R OT , Silver Leaf. Stereum purpureum, NY,
MT.
R UST . Tranzschelia discolor (II, III), GA, MA,
NE, NY, NC, OK, TX; 0, I on anemone.
S CAB . Fusicladium cerasi, NY to IA and WI.
V IRUS . Cherry Rough Fruit, UT on sweet cherry
( Prunus avium ); Cherry Albino; Cherry
Bark-Splitting; Cherry Black Canker;
Cherry Buckskin; Cherry Bud Abortion;
Cherry Chlorosis; Cherry Freckle Fruit
Disease; Cherry Green Ring Mottle;
Cherry Gummosis; Cherry Little Cherry;
Cherry Midleaf Necrosis; Cherry Mora;

B ACTERIAL Fire Blight. Erwinia amylovora, GA,
OH.
B ACTERIAL Leaf Spot. Xanthomonas pruni,NJ.
C ANKER ;D IEBACK . Botryosphaeria ribis,GA.
D ECLINE . Cause, unknown; complex of insect,
poor soil, viral infection and air pollutants
suspected, VA.
L EAF B LISTER ; Witches' Broom.

Taphrina

cerasi, MD, NJ.
L EAF S POT . Coccomyces hiemalis, MA, NJ.
S CAB . Cladosporium carpophilum, MS.
V IRUS . Cherry Vein Clearing; Cherry
(Flowering) Rough Bark; Cherry Little
Cherry.

Cherry, Japanese Flowering (Prunus
subhirtella)

L EAF S POT . Cristulariella pyramidalis, FL.

Cherry-Laurel (Prunus laurocerasus)

B ACTERIAL Spot. Xanthomonas pruni, GA, MS,
NJ, SC.
B LIGHT , Blossom; Brown Rot. Monilinia
fructicola,CA;M. laxa,CA;Alternaria sp.,
TX.
L EAF S POT . Cercospora circumscissa, CA;
C. cladosporioides, LA, TX; Coccomyces
lutescens, MS; Phyllachora beaumontii,