Host Plants - Westcott's Plant Disease - page 442

or foggy weather starting when buds show
color. Bud and twig blight has killed some
shrubs in Massachusetts. Leaf galls are
unsightly but not too serious. Leaf scorch
may be prevalent in a rainy season. Powdery
mildew is common on deciduous azaleas in late
summer.

Balsam-Root (Balsamorhiza)

L EAF S POT . Septoria sp., WA.
N EMATODE , Leaf Gall. Anguina balsamophila,
UT.
P OWDERY

M ILDEW . Golovinomyces

cichoracearum, WY.
R UST . Puccinia balsamorhizae (0, I, II, III),
general. Azara

R OT , Stem. Sclerotium rolfsii, CA.

Bamboo (Bambusa, Phyllostachys)

Babiana

B LACK M ILDEW . Meliola tenuis.
B LIGHT , Tip. Diplodia bambusae, LA, TX.
L EAF M OLD . Cladosporium gramineum, OR,
SC.
L EAF S POT . Helminthosporium sp., FL;
Mycosphaerella sp., CA; Culm Spot,
Selenophoma donacis, CA.
N EMATODE , Burrowing. Radopholus similis, FL.
R UST . Kweilingia divina, CA, HI, Brazil, Colom-
bia; Puccinia melanocephala (II, III), FL,
GA, MS, TX; Uredo ignava (II), FL, GA;
Uromyces costaricensis, FL on Wild Bam-
boo ( Lasiacis divaricata ).
S MUT . Ustilago shiraiana, CA, FL, LA, TX.
V IRUS . Bamboo Mosaic, CA; Sugarcane Mosaic
Virus, LA, on Arundinaria gigantea .

V IRUS . Iris Mosaic, CA.

Bald Cypress (Taxodium)

B LIGHT , Twig. Pestalotia funerea, TX.
C ANKER , Felt Fungus. Septobasidium spp., LA.
R OT , Brown Pocket Heart. Fomes geotropus,
cause of “pecky cypress,” FL to LA;
F. extensus; Ganoderma applanatum.
R OT , Root. Phymatotrichum omnivorum, TX.
R OT , Wood. Lenzites spp., Polyporus spp.,

Poria spp.

Balm (Melissa)

Banana (Musa)

B LIGHT , Gray Mold. Botrytis cinerea, AK.
L EAF S POT . Phyllosticta decidua, NY. A NTHRACNOSE ; Fruit Rot. Gloeosporium

musarum, FL, TX.
B ACTERIAL Leaf Blight. Pseudomonas

Balsam-Apple, Balsam-Pear
(Momordica)

solanacearum, FL.
B LACK S IGATOKA . Mycosphaerella fijiensis, FL;
Grand Bahama Island, Puerto Rico.
F UZZY P EDICEL . Sporothrix spp., Fusarium
pseudocircinatum, FL.
L EAF S P ot, Black. Deightoniella, GA.
N EMATODE , Burrowing. Radopholus similis, FL,
LA.
N EMATODE , Lesion. Pratylenchus musicola, FL.
N EMATODE , Root Knot. Meloidogyne

A NTHRACNOSE . Colletotrichum lagenarium,IN.
D OWNY M ILDEW . Pseudoperonospora cubensis,
IA.
L EAF S POT ; Blight. Ramularia momordicae, TX.
N EMATODE , Burrowing. Radopholus similis, FL.
N EMATODE , Root Knot. Meloidogyne sp., FL.
P OWDERY M ILDEW . Golovinomyces spp.,

cichoracearum, WI. FL, TX.