Biology Reference
In-Depth Information
Nematanthus
New Zealand Flax (Phormium tenax)
L
EAF
S
POT
. Myrothecium roridum, FL.
V
IRUS
. Tobacco Mosaic, CA, CT, DC, FL, OH,
WA.
R
OT
, Root. Armillaria mellea, CA.
New Zealand Spinach (Tetragonia)
Nemesia
B
ACTERIAL
, MLO. Aster Yellows, NJ, NY.
L
EAF
S
POT
. Cercospora tetragoniae, IN, MA;
Helminthosporium sp., TX.
N
EMATODE
, Root Knot. Meloidogyne sp., TX.
V
IRUS
. Beet Curly Top, CA; Mosaic, DE, and
Rosette, IN, unidentified.
B
ACTERIAL
, Proliferation. Rhodococcus fascians,
OR.
V
IRUS
. Flower Break. Angelonia angustifolia,
CA; Hosta Virus X, Tobacco Rattle Virus;
Helleborus Net Necrosis; Nemesia Ring
Necrosis, Diascia Yellow Mottle, Pacific
Northwest.
Nicotiana (Flowering Tobacco)
B
ACTERIAL
Blackfire. Pseudomonas tabaci, WI;
P. angulata, WI.
B
LACK
S
HANK
. Phytophthora parasitica var.
nicotianae, CT.
B
LIGHT
. Phytophthora infestans,NY.
D
AMPING
-O
FF
,S
TEM
L
ESIONS
. Rhizoctonia solani,
GA.
D
OWNY
M
ILDEW
.
Nemophila (Baby Blue-Eyes)
P
OWDERY
M
ILDEW
. Golovinomyces
cichoracearum, CA, NV, TX, WA.
Nephthytis
Peronospora
tabacina,
CA, TX.
L
EAF
S
POT
. Alternaria longipes, TX; Rhizocto-
nia solani, NC, New England; Alternaria
alternata,
L
EAF
S
POT
. Cephalosporium cinnamomeum,
FL, MD.
N
EMATODE
,
Root
Knot. Meloidogyne
CT, MA;
Thanatephorus
incognita.
R
OT
, Root. Pythium splendens, FL.
V
IRUS
. Tomato Spotted Wilt, PA.
Spraying with maneb should control the leaf
spot.
cucumeris, New England.
M
OLD
, Blue. Peronospora tabacina, GA.
N
EMATODE
, Root Knot. Meloidogyne sp., FL.
N
EMATODE
S
TUNT
. Globodera tabacum
solanacearum, VA, (also CT and Quebec,
Canada on Nicotiana tobacum).
P
OWDERY
M
ILDEW
. Oidium sp., KY.
R
OT
, Root. Phymatotrichum omnivorum, TX;
Pythium myriotylum, SC; in hydroponic;
Phytophthora nicotianae, NC.
S
TEM
N
ECROSIS
. Phytophthora nicotianae, NC.
S
TUNT
. Glomus macrocarpum, KY.
S
TUNT
, Wilt. Pythium dissotocum, Brazil.
V
IRUS
. Beet Curly Top, TX; Tomato Spotted
Wilt, CA, TN, TX, Mexico, Impatiens and
Lettuce serotypes, GA; Tobacco Mosaic,
GA; Tobacco Ring Spot; Tobacco Vein-
Mottling, NC;
Nerine (Guernsey-Lily)
L
EAF
S
CORCH
; Red Blotch. Stagonospora
curtisii, CA.
N
EMATODE
, Lance. Hoplolaimus
coronatus,
NC.
Nettle (Urtica, Urera)
N
EMATODE
, Soybean Cyst.
Cucumber Mosaic, FL;
