Biology Reference
In-Depth Information
D
AMPING
-O
FF
; Stem and Root Rot. Pythium spp.,
cosmopolitan;
Peperomia
Rhizoctonia
solani,
cosmopolitan.
D
ODDER
. Cuscuta sp., GA, NJ, VA.
D
OWNY
M
ILDEW
. Peronospora tabacina, GA,
NC, SC, TX.
F
RUIT
S
POT
, Black. Nonparasitic, TX.
G
IRDLING
, Stem. Nectria haematococca, FL.
L
EAF
S
POT
. Ascochyta capsici, WA, NY to FL;
Cercospora capsici, frogeye; stem-end rot;
C. unamunoi, CA and Gulf states; C. apii,
Brazil;
A
NTHRACNOSE
.
Colletotrichum
sp., WA;
Gloeosporium sp., WA.
L
EAF
S
POT
. Myrothecium roridum, FL.
N
EMATODE
. Aphelenchoides ritzemabosi;
Pratylenchus sp.; Radopholus similis, FL.
R
OT
, Cutting; Root. Rhizoctonia sp.; Pythium
splendens, CA; Phytophthora palmivora,
CA; P. nicotianae var. parasitica, OH.
V
IRUS
. Cucumber Mosaic, SC; Ring Spot;
Oedema, pimples in leaves, graft-transmissi-
ble, probably due to a virus; Tobravirus, IL,
MI, MN.
The virus ring spot distorts leaves, which have
chlorotic or brown necrotic rings; plants are stunted.
Stemphylium
solani,
FL;
S. botryosum f. sp. capsicum, NY.
M
OLD
, Leaf. Cladosporium herbarum, CA, GA,
TX; Seed Mold, Stemphylium botryosum,
CT, FL.
N
ECROSIS
, Vascular. Verticillium dahliae, NM.
N
EMATODE
, Awl. Dolichodorus heterocephalus.
N
EMATODE
, Burrowing. Radopholus similis.
N
EMATODE
, Lesion. Pratylenchus penetrans.
N
EMATODE
, Root Knot. Meloidogyne arenaria;
M. incognita; M. hapla.
N
EMATODE
, Spiral. Helicotylenchus erythrinae.
N
EMATODE
, Stylet. Tylenchorhynchus claytoni;
T. capitatus.
N
EMATODE
, Tobacco Cyst. Heterodera tabacum,
VA.
N
ONPARASITIC
. Blossom-End Rot. Deficient
water supply, also lack of calcium.
Sunscald. High
Pepper (Capsicum)
A
NTHRACNOSE
; Fruit, Leaf and Stem Spot.
Gloeosporium piperatum, MA to FL, IL,
TX; Glomerella cingulata, fruit rot, CT to
FL, KS, OH, TX; Colletotrichum capsici,
ripe rot, MS; C. boninense, Brazil.
B
ACTERIAL
Canker, Vascular. Clavibacter
michiganense, IN, OH, WY, on
C. annuum
var.
cerasiforme
, and on
C. frutescens
(Bell
Pepper), CA.
B
ACTERIAL
Fruit and Stem Spot; Seedling Blight.
Xanthomonas vesicatoria, general in South
and East.
B
ACTERIAL
Leaf Spot. Xanthomonas vesicatoria,
NC, OH;
temperature,
often
after
defoliation.
P
HYTOPLASMA
. Brote Grande, Phyllody.NM,
U.S. Desert Southwest.
P
HYTOPLASMA
,
Chlorosis,
Pale
Green.
X. vitians, OH;
Pseudomonas
Candidatus Liberibacter
solanacearum,
syringae; P. viridiflava, FL.
B
ACTERIAL
Soft Rot. Erwinia aroideae, and
E. carotovora pv. carotovora, CA, FL, NJ;
Pseudomonas marginalis, CA, FL, NJ, occa-
sional in market.
B
ACTERIAL
Wilt. Pseudomonas solanacearum,
PA to FL.
B
LIGHT
;
Mexico.
P
HYTOPLASMA
, Leaf Cup Stunt. Candidatus
Liberibacter solanacearum, New Zealand.
P
HYTOPLASMA
, Little Leaf. Phytoplasma asteris,
Mexico.
P
HYTOPLASMA
, Stunting, Small Leaves, Aborted
Seed Pods, Costa Rica.
P
OWDERY
M
ILDEW
. Leveillula taurica, AZ, CA,
FL, HI, MD, NV, NY, OK, UT, Pacific North-
west, British Columbia, Canada.
R
OT
, Black; Internal Mold, Early Blight.
Alternaria spp., general after sunscald and
blossom-end rot.
Blossom
Rot.
Choanephora
cucurbitarum, FL, NC.
B
LIGHT
; Fruit Rot. Phytophthora capsici, CA,
CO, FL, LA, MO, NM, NY, OH, TX, VA;
P. parasitica, IL, IN.
B
LIGHT
, Southern. Sclerotium rolfsii, NC to FL.
