Biology Reference
In-Depth Information
P
OWDERY
M
ILDEW
. Sphaerotheca macularis,
AK, CO, NY, PA, WY.
R
UST
. Melampsora arctica (0, I), AK, CO; II, III
on willow; Puccinia heucherae (III), AK, MT
to NM, ID, WA, WY, NY to IL, MT;
P. pazschkei (III), ID, MT, WA; and var.
tricuspidatae, CO, UT.
V
IRUS
. Impatiens Necrotic Spot, NC.
Schrankia
R
UST
. Ravenelia morongiae, TX.
S
TEM
S
POT
. Cercospora morongiae,MS.
Scilla (Squill)
L
EAF
S
POT
. Embellisia hyacinthi, CA.
N
EMATODE
, Bulb. Ditylenchus dipsaci, VA.
R
OT
, Blue Mold.
Scabiosa
Penicillium gladioli,on
B
ACTERIAL
, MLO. Aster Yellows, CT, NJ,
NY, VA; and California Aster Yellows, CA.
B
LIGHT
, Southern. Sclerotium rolfsii.
P
OWDERY
M
ILDEW
.
imported bulbs.
R
OT
, Bulb. Sclerotium rolfsii, WA.
S
MUT
, Fow . Ustilago
vaillantii, MA,
Erysiphe
polygoni;
WA.
V
IRUS
. Ornithogalum Mosaic, NY.
E. knautiae, NY, WA.
R
OT
, Root. Phymatotrichum omnivorum, TX.
R
OT
, Stem. Sclerotinia sclerotiorum, NY.
V
IRUS
. Beet Curly Top, CA.
Scindapsus
Pothos.
▶
Scarborough-Lily (Vallota)
L
EAF
S
CORCH
; Red Spot. Stagonospora curtisii,
LA.
Sea-Grape, Dove-Plum (Coccoloba)
S
POT
, Tar. Phyllachora simplex, FL.
Schefflera (Brassaia
actinophylla = Scheffiera actinophylla)
Sea-Kale (Crambe)
B
ACTERIAL
Blight. Pseudomonas cichorii, FL.
L
EAF
S
POT
. Alternaria panax, CA, FL.
N
EMATODE
, Root Knot. Meloidogyne incognita.
R
OT
, Stem, Leaf, Cutting. Fusarium solani, FL.
V
IRUS
. Ghost Ring; Scheffiera Ringspot.
L
EAF
S
POT
, Black. Alternaria oleracea, VA.
R
OT
, Root; Damping-off. Aphanomyces raphani,
WI.
V
IRUS
. Beet Western Yellows Virus, CA.
W
ILT
, Yellows. Fusarium oxysporum f. sp.
conglutinans, IN.
Schefflera, Dwarf (Scheffiera
arboricola)
Seashore Paspalum (Paspalum)
B
ACTERIAL
Leaf Blight. Pseudomonas cichorii,
FL.
L
EAF
S
POT
. Alternaria sp. FL.
B
LIGHT
, Basal Leaf. Waitea circinata var.
prodigus, FL.
