Host Plants - Westcott's Plant Disease - page 450

B LIGHT , Thread. Pellicularia koleroga, LA.
B LOTCH , Sooty. Gloeodes pomigena, MD to NC,
IN, TX; Geastrumia polystigmatis, NC.
C ANKER . Glomerella cingulata, MD, VA;
Phomopsis sp., WA; Botryosphaeria obtusa,
OH; B. dothidea, MD; Leptosphaeria
coniothyrium,OH;Gnomonia rubi, OH.
C ANKER , Cane Spot. Ascospora ruborum, WA.
D OWNY M ILDEW . Peronospora rubi, MD, WI; P.
sparsa, Mexico.
F RUIT S POT ; Flyspeck. Leptothyrium pomi,PA
to NC, IL.
L EAF S POT . Mycosphaerella confusa, VA to FL,
IL, IN, TX; M. rubi, NC, WI; Pezizella
oenotherae, also fruit rot, MD, OH, VA;
Cylindrosporium

Bittercress (Cardamine)

R OT . Sclerotinia minor, NC.

Bittersweet (Celastrus)

B ACTERIAL Crown Gall. Agrobacterium

tumefaciens, CT.
C ANKER ; D IEBACK . Glomerella cingulata,

NH, NC.
L EAF S POT . Ascochyta sp., CT; Asteria celastri,
KS, ME, MI; Cercospora melanochaeta,
IA, KS, NE, ND; Marssonina sp., NY;
Phyllosticta celastri, IL, KS, MA, NY, WV;
Ramularia celastri, VT to MS, ND, TX.
P OWDERY M ILDEW . Microsphaera alni, WI;
Phyllactinia corylea, ME to VA, SD, TX.
R OT ,Root.Phymatotrichum omnivorum,TX.

rubi, NC, TX;

Phyllosticta spp., FL, IL, NH; Septoria

darrowi; S. rubi, general.
L EAF S POT , Algal. Cephaleuros virescens, AR,
FL, LA.
P OWDERY M ILDEW . Sphaerotheca macularis,CT
to MD, IL, MN, Pacific Northwest;
Phyllactinia corylea, MI.
R OSETTE , Double Blossom. Cercosporella rubi,
NY to FL, CA, TX.
R OT . Botrytis spp., SC.
R OT , Gray Mold. Botrytis cinerea, general on
fruit, bud, shoot.
R OT , Root. Armillaria mellea, TX, WA;
Phymatotrichum omnivorum, TX;
Phytophthora dreschleri, NC; Rhizoctonia
solani.
R OT , White Root. Corticium galactinum, near
apple trees, AR, MD, VA.
R UST . Phragmidium violaceum, CA.
R UST , Orange. Gymnoconia peckiana (0, I, III),
ME to GA and west to Pacific; Kunkelia
nitens (I), general, more common in South;
Phragmidium violaceum.
R UST , Yellow Cane. Kuehneola uredinis (0, I, II,
III), ME to FL, LA, WI.
S POT A NTHRACNOSE . Elsino¨ veneta, general.
V IRUS . Blackberry Dwarfing; Blackberry
Mosaic; Blackberry Variegation; Logan-
berry Dwarf, OR; Raspberry Beta-Leaf
Curl; Red Raspberry Mosaic, MA to VA,
IA, WI, Pacific Northwest; Raspberry
Ringspot; Raspberry Streak, OH, PA, WA;

Bixa (Annato-Tree)

L EAF S POT . Cercospora bixae; Phyllosticta
bixae.
L EAF S POT , Algal. Cephaleuros virescens, FL.

Black Bearberry (Arctous)

R UST . Pucciniastrum sparsum (II, III), AK.

Blackberry (Rubus)

A NTHRACNOSE . Glomerella cingulata, Mexico.
B ACTERIAL Crown Gall. Agrobacterium
tumefaciens, general; Cane Gall, A. rubi,
NY, OR, PA, WA, WI; Hairy Root, A.
rhizogenes, OR.
B LIGHT , Cane. Gnomonia rubi, ME, MD, NY,
PA, VT; Leptosphaeria coniothyrium,NY
to NC, TX, WI, Pacific Northwest.
B LIGHT , Leaf. Colletotrichum acutatum, Brazil.
B LIGHT , Spur. Didymella applanata, VA, WI.
B LIGHT , Stamen; Dry Berry. Hapalosphaeria
deformans, OR, WA.