Host Plants - Westcott's Plant Disease - page 457

R OT , Crown and Root. Phoma sp. GA.
V IRUS .

R OT ,Stem.Sclerotinia sclerotiorum,MS,
MO.
V IRUS . Tomato Spotted Wilt, TX.

Cucumber Mosaic, OH; Tobacco

Streak,OH.

Bumelia Butterfly Pea (Centrosema)

L EAF S POT . Cercospora lanuginosa, TX;
Phyllosticta bumeliifolia, AL, TX;
P. curtisii, FL, MO; Septoria bumeliae, MS.
R OT , Root. Helicobasidium purpureum, TX;
Phymatotrichum omnivorum, TX.

L EAF S POT . Cercospora clitoriae, AL;
Colletotrichum sp., on pods.

Butterfly Pea (Clitoria)

L EAF S POT . Cercospora clitoriae, AL, FL;
C. cruenta, FL.
R OT ,Root.Phymatotrichum omnivorum,TX.

Bunchflower (Melanthium)

L EAF S POT . Septoria allardii, VA.
R UST . Puccinia atropuncta (II,

III), NC,

Butterfly Weed; Milkweed (Asclepias)

TN, VA.

B ACTERIAL Blight. Xanthomonas campestris pv.
asclepiadis, NE.
B LIGHT , Stem. Phoma asclepiadea, UT.
L EAF S POT . Cercospora asclepiadorae, AL, TX;
C. clavata, general; C. venturioides, WA;
Phyllosticta tuberosa, IL, NJ.
R OT , Root. Phymatotrichum omnivorum, TX.
R UST . Puccinia bartholomaei (0, I), ND, SD; II,
III on Spartina ; Uromyces asclepiadis (II III),
widespread.

Bundleflower (Desmanthus)

L EAF S POT . Cercospora desmanthi, KS, LA,
MO, NM, SD, TN.
P OWDERY M ILDEW . Erysiphe polygoni, IL, MS.
R UST . Ravenelia texensis (II, III), TX.

Burnet (Sanguisorba)

L EAF S POT . Graphium sessile, NY; Ovularia
bulbigera, AK, IL.
P OWDERY M ILDEW . Podosphaera oxyacanthae,IA;
Sphaerotheca macularis, AK, MA, NY, PA.
R UST . Xenodochus carbonarius (I, III), AK;
X. minor, AK.

Buttonbush (Cephalanthus)

B LIGHT , Leaf. Cercospora perniciosa, TX.
B LIGHT , Thread. Pellicularia koleroga, FL.
D ODDER . Cuscuta compacta, FL;

C. gronovii, NY.
L EAF S POT . Ascochyta cephalanthi, LA:
Coniothyrium cephalanthi, LA;
Phyllosticta cephalanthi, TX; Ramularia
cephalanthi, AL, KS, LA, NY, WI; Septoria
cephalanthi, KS, WI.
P OWDERY M ILDEW . Microsphaera alni, wide-
spread. Phyllactinia corylea, IN.
R UST . Puccinia seymouriana (0, I), New
England to FL and central states; II, III on
Spartina , Uredo cephalanthi (II), FL.

Butterfly Flower (Schizanthus)

A NTHRACNOSE . Colletotrichum schizanthi, NY.
B ACTERIAL , MLO. Aster Yellows, NJ.
B ACTERIAL Canker; Vascular. Clavibacter
michiganense,WY.
D AMPING -O FF ; Root Rot. Pythiumultimum, MO;
Rhizoctonia solani, NY.
N EMATODE , Root Knot. Meloidogyne sp.