Biology Reference
In-Depth Information
Tobacco Mild Green Mosaic, Tobacco
Vein-Banding Mosaic, TN; Tobacco Yellow
Net, CA; Potato Leafroll, Pacific Northwest,
Potato Virus A, WA; Blueberry Scorch,
British Colombia; Rhynchosia Golden
Mosaic, Mexico; Potato Virus Y, GA; South-
ern Ontario, Canada.
W
ILT
. Pythium aphanidermatum, NC.
R
UST
. Uromyces hordeinus (0, I), KS, OK, TX;
II, III on grasses; U. primaverilis (0, I, III), IL,
MO, TX.
V
IRUS
. Nothoscordum Mosaic, LA.
Nutsedge (Cyperus rotunders) Grass-
like
B
LIGHT
, Flower. Balansia cyperi, LA.
L
EAF
S
POT
. Dactylaria higginsii, FL; Sclerotinia
minor, NC.
N
EMATODE
, Cyst. Heterodera mothi, GA.
N
EMATODE
,
Night-Blooming Cereus (Hylocereus)
V
IRUS
. Cactus Virus X, CA.
Root-knot.
Meloidogyne
graminicola, GA.
R
OT
, Root. Pythium arrhenomanes, LA.
R
UST
. Puccinia canaliculata, GA.
V
IRUS
. Impatiens Necrotic Spot Phytoplasma,
GA.
Nightshade, Silverleaf (Solanum
elaeagnifolium)
Weed found in dry, open woods, prairie, waste
places, and disturbed soil in Southwest, U.S.
B
LIGHT
, Late. Phytophthora infestans, NY.
N
EMATODE
, Foliar. Nothanguina phyllobia, TX.
V
IRUS
. Tomato Spotted Wilt, CA.
Nymphoides (Floating-Heart) Water
Plants
R
UST
. Puccinia scirpi (0, I); II, III on
Scirpus
, FL.
S
MUT
, Leaf. Burrillia decipiens, NJ.
Nightshade, Hairy and Climbing
(Solanum sarrachoides, S. dulcamara)
Oak (Quercus)
B
LIGHT
. Phytophthora infestans, ME, NY.
V
IRUS
. Potato Leafroll, Pacific Northwest.
A
NTHRACNOSE
; Leaf and Twig Blight. Gnomonia
quercina (Gloeosporium quercinum), general.
B
ACTERIAL
Canker. Unidentified, IL.
B
ACTERIAL
Ninebark (Physocarpus)
Crown
Gall.
Agrobacterium
L
EAF
S
POT
. Cercospora spiraea, IN;
Marssonina neilliae, CA, TX, WI;
M. lonicerae, OR; Phyllosticta opulasteris,
ID; Ramularia spiraeae, MI, NY, WI.
P
OWDERY
M
ILDEW
.
tumefaciens, MD, MI.
B
ACTERIAL
Drippy Nut. Erwinia quercina, CA,
on live oak.
B
ACTERIAL
Leaf Scorch. Xylella fastidiosa, DC,
FL, GA, KY.
B
ACTERIAL
Wetwood. Erwinia nimipressuralis,
VA.
B
LACK
M
ILDEW
. Morenoella quercina, SC to FL,
GA, TX; Irenina manca,MS.
B
LIGHT
, Sudden Oak Death. Phytophthora
ramorum, (also branch canker) CA, OK.
B
LIGHT
, Twig. Cryptocline cinerescens, CA;
Diplodia longispora, NY to NC, IL, WI;
D. quercina, CA; Discula quercina, CA.
Sphaerotheca macularis,
MA to WI.
R
OT
, Root. Phymatotrichum omnivorum, TX.
R
OT
, Wood. Fomes conchatus, NY.
Nothoscordum (False Garlic)
A
NTHRACNOSE
.
Colletotrichum circinans,
OK.
