Biology Reference
In-Depth Information
R
OT
, Stem. Rhizoctonia solani, CT, IL, KS, MA,
MS, NJ, NY, PA, TX.
R
UST
. Uromyces dianthi (II, III), IA, NE, TX;
Puccinia arenariae (III), AL, CT, MA, NY,
PA.
V
IRUS
. Carnation Mosaic; Beet Curly Top, CA,
TX.
W
ILT
. Fusarium oxysporum f. sp. barbati, CA,
KS; Fusarium sp., MA, NJ, SC, VA.
Fusarium wilt is one of the more serious dis-
eases with the new growth yellowing, the leaves
pointing downward, and plants stunted. Place
new plants in a new location or sterilized soil.
B
LOTCH
, Spot. Helminthosporium sativum
(
Bipolaris sorokiniana
), PA, TN.
B
UNT
. Tilletia pulcherrima, TX.
D
OLLAR
S
POT
. Sclerotinia homoeocarpa, TN.
F
OLIAR
A
ND
S
EED
I
NFECTION
. Alternaria,
Bipolaris, Curvularia
and Fusarium spp.,
TN.
L
EAF
S
POT
. Bipolaris sacchari, FL;
B. oryzae, MS, NY, ND; Rhizoctonia zeae
(also sheath spot), RI; Bipolaris spicifera,
TN.
R
OT
, Root. Pythium arrhenomanes, LA;
Bipolaris sorokiniana, TN.
R
UST
. Puccinia emaculata, AR, TN.
S
MUT
. Tilletia maclaganii, IA, NY, PA.
V
IRUS
. Barley Yellow Dwarf.; Maize Rayado
Fino, IL.
Swiss Chard (Beta vulgaris var. cicla)
B
ACTERIAL
Leaf Spot. Pseudomonas syringae
pv. aptata, CA.
B
LIGHT
, Phytophthora. Phytophthora capsici,IL.
B
LIGHT
, Southern. Sclerotium rolfsii, LA, SC.
D
AMPING
-O
FF
, Root Rot. Rhizoctonia solani,
NY; Pythium aphanidermatum, CA.
D
OWNY
M
ILDEW
. Peronospora schachtii, CA.
L
EAF
S
POT
. Cercospora beticola, general;
Ramularia beticola,WA.
M
OLD
,
Sycamore
▶
Plane Tree.
Syngonium
Seed.
Alternaria
tenuis,
CA;
A
NTHRACNOSE
. Gloeosporium sp., WA;
Colletotrichum sp., WA.
B
ACTERIAL
Blight. Xanthomonas campestris,
MD.
B
ACTERIAL
Leaf Spot. Xanthomonas
dieffenbachiae, FL; X. vitians, FL.
L
EAF
S
POT
. Cephalosporium cinnamomeum,
NY.
R
OT
; Black Cane. Ceratocystis fimbriata,CA.
Stemphylium botryosum, CA, WA.
N
EMATODE
, Root Knot. Meloidogyne sp., LA.
N
ONPARASITIC
. Heart Rot; Cracked Stem. Boron
deficiency, NY, WA.
R
OT
, Crown. Sclerotinia sp., MS.
R
OT
,Root.Phymatotrichum omnivorum,TX.
R
UST
. Uromyces betae (II), CA, OR.
V
IRUS
. Beet Curly Top, AZ, CA, OR; Beet
Mosaic, AZ, CA, WA; Yellow Net,
unidentified, CA.
Synthyris
Swine Cress (Coronopus)
L
EAF
S
POT
. Ramularia sp., OR.
R
UST
. Puccinia acrophila (III), MT to
CO, UT; P. welfeniae (III), CA, ID, OR,
WA, WY.
R
OT
. Sclerotinia minor. NC.
Switchgrass (Panicum)
Tabebuia (Trumpet-Tree)
A
NTHRACNOSE
. Colletotrichum graminicola,
TN; C. navitas, NY.
R
UST
. Prospodium plagiopus (II, III), FL.
