Biology Reference
In-Depth Information
R
OT
, Wood. Schizophyllum commune, VA;
Stereum spp.; Poria spp.; Polyporus
Poa compressa
,
P. pratensis, P. annua
, and
P. trivialis
. Canada, Kentucky, annual bluegrasses
and Roughstalk;
Stenotaphrum
, St. Augustine
grass;
Dactylis glomerata
, orchardgrass;
Lolium
multiflorum
, Italian ryegrass;
L. perenne
,Peren-
nial ryegrass;
Ammophila breviligulata
,American
beachgrass;
Imperata cylindrica
,Cogangra ;
Miscanthus sinensis
, Perennial grass;
Spartinia
alterniflora
, smooth cordgrass.
A
NTHRACNOSE
. Colletotrichum graminicolum,
general.
B
ACTERIAL
Blight. Pseudomonas syringae pv.
coronafaciens, AK; P. syringae pv.
alisalensis On brome, oat, and common timo-
thy grasses, CA; Xanthomonas translucens
pv. poae, MT; X. translucens pv. cerealis,
ID.
B
ACTERIAL
Gummosis. Rathayibacter rathayi,
MD, OR, Northeast and Mid-Atlantic U.S.
B
ACTERIAL
Stunting. Clavibacter xyli subsp.
cynodontis, FL.
B
ACTERIAL
Wilt, Decline,
spp.;
Pleurotus ostreatus, CA.
R
UST
. Physopella ampelopsidis
(
P. vitis
) (II),
FL, SC.
S
CORCH
, Leaf. Pseudopezicula tetraspora, NY,
PA.
S
POT
A
NTHRACNOSE
; Bird's Eye Rot. Elsino¨
ampelina, widespread.
T
RUNK
D
ISEASE
. Neofusicoccum parvum,
Cryptovalsa
ampelina
and Eutypella
leprosa, Chile.
V
ASCULAR
;F
OLIAR
D
ISEASE
. Phaeoacremonium,
CA.
V
IRUS
. Alfalfa Dwarf; Grape Fanleaf,WA,
Pacific Northwest; Grape Leafroll (White
Emper or Disease), CA, ID, WA, Chile; Grape
Yellow Mosaic; Virus Complex (Kober Stem
Grooving), CA; Tobacco Ring Spot, MI, NY;
Tomato Ring Spot,NY;Grapevine Fleck,
WA; Grapevine Stem Pitting Associated,
CA; Peach Rosette Mosaic; Tomato Spotted
Wilt; Grapevine Rupestris Vein Feathering,
CA; Grapevine Syrah,CA,WA,Chile.
Black rot is the most destructive grape disease
in most sections of the country, often causing total
loss of fruit in home gardens. Pierce's disease has
destroyed many vineyards in California, the path-
ogen is transmitted by grafting and by leafhoppers.
and Necrosis.
Acidovorax spp., NC.
B
ACTERIAL
,
Xylem-limited.
Rickettsialike
organism, MI.
B
LACK
S
POTS
,
OLIAR
.
Exserohilum
longirostratum, MS, TX.
B
LIGHT
. Fusarium roseum f. sp. cerealis, MD,
NJ, NY, OH, PA; F. tricinctum f. sp. poae;
Leptosphaeria korrae, CA, MD, NJ, NY, and
Phialophora graminicola, CA, NJ, NY.
(New identification for Fusarium Blight);
Limonomyces
Grapefruit
roseipellis,
NC;
Citrus Diseases.
Labyrinthula sp., AZ.
B
LIGHT
, Cottony. Pythium aphanidermatum,
general.
B
LIGHT
, Dieback (on Johnsongrass, Sorghum
halepense); Yellow Foxtail, Setaria glauca;
Broadleaf Signalgrass, Brachiaria
platyphylla. Bipolaris cyanodontis, South-
east U.S.; Curvularia lunata, Southeast U.
S.;
▶
Grape-Hyacinth (Muscari)
R
OT
,Dry.Sclerotium sp., MO, WA.
S
MUT
, Flower. Ustilago vaillantii, MA, WA.
C.
geniculata,
Southeast
U.S.;
Grasses, Lawn, Turf
Exserohilum rostratum, Southeast U.S.
B
LIGHT
, Foliar. Pythium sylvaticum,
IL;
Includes
Agropyron repens
, quackgrass;
Agrostis alba
, redtop;
A. canina, A. palustris, A.
stolonifera, A. tenuis
, bentgrasses;
Cynodon
dactylon
, Bermuda grass;
Festuca
spp., fescues;
Colletotrichum cereale, AL, MS.
B
LIGHT
, Leaf. Pyricularia grisea, on bent and St.
Augustine; Pellicularia filamentosa f. sp.
sasakii;
Drechslera
catenaria,
OH;
