Biology Reference
In-Depth Information
R
OT
, White Pocket. Ganoderma oregonensis,
MT, OR, WA; Hydnum coralloides, Pacific
Northwest.
R
UST
. Melampsora albertensis (0, I), MT to CO,
UT, WA; II, III on poplar.
R
UST
, Leaf. Melampsora medusae
Duranta
B
LIGHT
, Seedling. Sclerotium rolfsii, FL.
L
EAF
S
POT
, Black. Phyllachora fusicarpa, FL.
f.
sp.
deltoidae (O, I), WA; II, III on poplar.
Dutchmans-Breeches, Squirrel-Corn
(Dicentra)
Draba (Whitlow-Grass)
D
OWNY
M
ILDEW
. Peronspora dicentrae, IN, MD,
MI, MO, NY, VA, WI.
R
UST
. Cerotelium dicentrae (0, I), NY to MD,
KS, SD; II, III on wood-nettle.
D
OWNY
M
ILDEW
. Peronospora parasitica, CO,
IL, IA, KS, NE, SD, TX, WI.
R
UST
. Puccinia aristidae (0, I), AZ; P. drabae
(III), AK, UT, WY; P. holboellii (0, III), CA,
CO, UT; P. monoica (0, I), CA, NM.
W
HITE
R
UST
. Albugo candida, KS, WY.
Dutchmans-Pipe (Aristolochia)
B
LIGHT
, Gray Mold. Botrytis cinerea, CT, MD.
L
EAF
S
POT
. Cercospora guttulata,
Dracaena
IL, WV;
Gloeosporium
sp.,
MA;
Ovularia
A
NTHRACNOSE
.
Colletotrichum
sp.,
aristolochiae, ;
Phyllosticta
Gloeosporium sp., WA.
B
ACTERIAL
, Leaf Spot. Erwinia herbicola, FL;
E. carotovora pv. carotovora, FL.
B
LIGHT
, Tip. Physalospora dracaenae, WV;
P. rhodina, MD.
L
EAF
S
POT
; Tip Blight. Glomerella cincta
(
Colletotrichum dracaenae
), general;
Phyllosticta dracaenae, FL, NJ; P. draconis;
P. maculicola; Gloeosporium
polymorphum and G. thuemenii, wide-
spread; Lophodermium dracaenae, black
spot, CA.
N
EMATODE
, Lance. Hoplolaimus bradys, FL.
N
EMATODE
, Root Knot. Meloidogyne sp., FL.
N
EMATODE
, Sheath. Hemicycliophora parvana.
R
OT
, Stem. Aspergillus niger var. floridanus,
FL.
V
IRUS
. Tomato Spotted Wilt, PA.
aristolochiae, NJ.
R
OT
, Root. Diplodia radicicola,VA.
Dyschoriste
R
UST
. Aecidium tracyanum (0, I), FL.
Easter Cactus (Rhipsalidopsis)
R
OT
, Stem. Drechslera cactivora
(
Helminthosporium cactivorum
), FL.
Echeveria
L
EAF
S
POT
. Stemphylium bolickii, FL.
N
EMATODE
, Root Knot. Meloidogyne sp., CA.
R
UST
. Puccinia echeveriae (III), CA.
Dragonhead (Dracocephalum)
Echinacea (Purple Coneflower)
D
OWNY
M
ILDEW
. Peronospora sp., WI, WY.
B
LIGHT
, Southern. Sclerotium rolfsii, IL, TX.
L
EAF
S
POT
. Phyllosticta dracocephali, TX;
Septoria dracocephali, TX, WI.
B
ACTERIAL
, phytoplasma. Aster Yellows, WI.
B
LIGHT
, Wilt. Fusarium oxysporum, SD.
