Host Plants - Westcott's Plant Disease - page 634

B LIGHT , Leaf. Choanephora infundibulifera,
LA.
B LIGHT , Pod and Stem. Diaporthe sojae, NY, MI,
to GA, KS, LA.
B LIGHT . Sclerotinia minor, S. sclerotiorum,
VA.
B LIGHT , Southern. Sclerotium rolfsii, VA to FL,
IA, KS, TX.
C ANKER , Stem. Diaporthe phaseolorum vars.
batatatis, meridionalis, and caulivora, AR,
FL, IL, IN, KY, LA, MD, OH, SC, TX, WI;
Phyllosticta sojicola, AR, MD, stem and pod
canker.
D AMPING -O FF . Fusarium solani, MN, ND.
D AMPING -O FF ; Root Rot. Pythium spp., IL, IA,
MN, MO, NC, ND; P. aphanidermatum;
P. torulosum, IA; P. delawarii, OH;
Phytophthora megasperma f. sp. glycinea,
VA.
D ECAY , Root, Stem. Mycoleptodiscus terrestris,
WI.
D OWNY M ILDEW . Peronospora manshurica, East
and South to LA, IA.
L EAF S POT . Alternaria sp., widespread, second-
ary; Cercospora canescens, also on pods,
stems, AL, IL, MD, MS, NC, TX, WV;
C. kikuchii, also purple stain of seed, IN,
MD, NC, VA; C. sojina, frogeye leaf spot,
MI to FL, IA, NY, OK, VA, WI, Argentina;
Corynespora cassiicola ( Helminthosporium
vignicola ), target spot, AL, AR, FL, GA, LA,
MN, MS, NC, SC; Helminthosporium
vignae, zonate leaf spot, NC;
Mycosphaerella cruenta, GA, MS;
Myrothecium roridum, secondary, LA;
Phyllosticta glycinea, IL, MD, MO, NC,
VA; Pleosphaerulina sojicola, ME, NJ, NY,
WI.
L EAF S POT , Brown Spot. Septoria glycines, AR,
DE, IN, IA, MD, NC, WI.
L EAF and S TEM D ISEASE . Cercospora zebrina
(clover isolate), NC.
M OLD , White. Sclerotinia sclerotiorum, ME.
N EMATODE , Cyst. Heterodera glycines, soybean
cyst, AR, IA, KS, KY, LA, MI, MN, MO, NE,
NC, ND, OH, SD, TN, TX; H. gottingiana,
peacyst; H. trifolii, clover cyst; Cactodera
estonica, WI.

Sophora (Pagoda Tree, Silky Sophora,
Mescalbean)

B LIGHT , Twig. Nectria cinnabarina, CT, NY.
C ANKER . Fusarium lateritium, NJ.
D AMPING -O FF . Rhizoctonia solani, CT.
D IEBACK . Diplodia sophorae,OH.
L EAF S POT . Phyllosticta sophorae, OK, TX.
M ISTLETOE . Phoradendron serotinum

(flavescens), TX.
N EMATODE , Root Knot. Meloidogyne sp., MD.
P OWDERY M ILDEW . Microsphaera alni, CT.
R OT ,Root.Phymatotrichum omnivorum,TX.
R UST . Uromyces hyalinus (0, I, II, III), SD to TX,
AZ, WY.
V IRUS . Brooming Disease. Unidentified.

Sowthistle, Annual (Sonchos
oleraceus)

R UST . Miyagia pseudosphaeria, CA.
V IRUS . Iris Yellow Spot, GA.

Soybean (Glycine max)

A NTHRACNOSE . Glomerella glycines, IA, MI, NC
to FL, NE, TX; Colletotrichum truncatum;
C. coccodes, IL.
B ACTERIAL Blight. Pseudomonas syringae pv.
glycinea, East and South to MN, TX.
B ACTERIAL , MLO. Bud Proliferation, LA.
B ACTERIAL Leaf Crinkle. Unidentified, Midwest.
B ACTERIAL Pustule; Pustular Spot. Xanthomonas
glycines (phaseoli var. sojense), general.
B ACTERIAL

Tan Spot. Clavibacter

flaccumfaciens, IA.
B ACTERIAL Wildfire. Pseudomonas tabaci,MD
to AL, LA, NE.
B ACTERIAL Wilt. Pseudomonas solanacearum,NC.
B LIGHT , Aerial. Rhizoctonia solani, LA.
B LIGHT , Ashy Stem; Charcoal Rot.
Macrophomina phaseoli, NJ to SC, NE,
OH, TX, WA, WI.
B LIGHT , Gray Mold; Leaf Spot. Botrytis cinerea,
CT, OH.