Host Plants - Westcott's Plant Disease - page 452

microstictum, Sphaeronema sp., Fusarium
spp., Bispora sp., Botrytis cinerea,
Cephalosporium sp., Cylindrocarpon sp.,
Pyrenochaeta sp.
C ANKER , Cane. Physalospora corticis, AL,
FL, MS, NC; Godronia cassandrae, ME,
MI; Botryosphaeria corticis, AL, FL,
GA, MS, NC; Coryneum microstictum,
MA, MI.
C ANKER , Twig. Dothidella vacciniicola, NC;
Fusicoccum putrefaciens, ME, MA, MI,
Phomopsis

R UST , Witches' Broom. Pucciniastrum
goeppertianum (III) ME to MN; 0, I on fir;
Leaf, P. myrtilli (II, III) ME to PA, WI; 0, I,
spruce.
V IRUS . Blueberry Necrotic Ring Spot; Blue-
berry Red Ring Spot; Blueberry Stunt,MA,
MI, NJ, NY, NC; Blueberry Shoestring,MI,
NJ, WA; Blueberry Leaf Mottle,MI;Blue-
berry Necrotic Shock, OR, WA; Blueberry
Scorch, CT, MA, OR, WA, British Columbia,
Canada; Tobacco Ring Spot,IL;Peach
Rosette Mosaic,MI. vaccinii, MI; Sporocadus

lichenicola, OR.
D ODDER . Cuscuta sp., FL.
G ALL , Crown and Root. Agrobacterium rubi
and A. rhizogenes, Argentina.
G ALL , Red Leaf. Exobasidium vaccinii, also
fruit green spot, general; Synchytrium
vaccinii, ME, MS.
L EAF R UST . Thekopsora minima, MI, Mexico;
Pucciniastrum corymbosum, HI.
L EAF S POT . Gloeocereocospora inconspicua,
GA, MD, NC; Phyllosticta sp., AL, GA;
Phyllostictina vaccinii, GA, MD, MI, NC;
Piggotia vaccinii, WI; Discohainesia
oenotherae, NJ, NC; Ramularia vaccinii,
FL, MD, MI, NJ, NY; Septoria albopunctata;
Alternaria tenuissima, NC; Cristulariella
pyramudates,MD;Nigrospora sphaerica,
Argentina.
L EAF

Blue Cohosh (Caulophyllum)

B LIGHT , Leaf. Botrytis streptothrix, NJ, NY.
L EAF S POT . Cercospora caulophylli, VT to VA,
MO, WI.

Blue Curls (Trichostema)

L EAF S POT . Septoria trichostematis, NY.

Blue-Eyed Grass (Sisyrinchium)

S POT , Double Spot. Dothichiza

caroliniana, GA, NC.
L EAF S POT , Tar. Thytisma vaccinii,widespread.
N EMATODE . Helicotylenchus sp.;
Hemicycliophora similis; Merlinius joctus;
Xiphinema Americanum; Paratrichodorus
renifer, WA, British Columbia, Canada.
P OWDERY M ILDEW . Microsphaera alni var.
vaccinii, widespread.
R OT , Berry; Dieback. Alternaria sp., MA, NJ,
NC; Glomerella cingulata, NJ, NY;
Phomopsis vaccinii, NC.
R OT , Brown; Mummy Berry. Monilinia vaccinii-
corymbosi, IN, ME, MA, MI, NJ, NY, NC,
PA; Sclerotinia sclerotiorum, Argentina.
R OT , Root. Phytophthora cinnamomi, AR, NJ,
VA; P. nicotainae, VA; P. palmivora, VA;
Fusarium proliferatum, Argentinia.

B LIGHT , Leaf. Kellermania sisyrinchii, CA,
NM, ND.
N EMATODE , Lesion. Pratylenchus pratensis.
R UST . Uromyces houstoniatus (II, III), ME, WV;
0, I on Houstonia spp.; U. Probus (I, II, III),
ID, OR, TX, UT, WA; Aecidium residuum
(0, I), OK, TX.

Blue Lace-Flower (Trachymene)

B ACTERIAL , MLO. Western Aster Yellows, CA.
N EMATODE , Root Knot. Meloidogyne sp., FL.
R OT , Root and Stem. Fusarium sp., CT, NJ;
Rhizoctonia solani, NJ.
W ILT . Phytophthora cactorum,MA.