Biology Reference
In-Depth Information
R
UST
. Pucciniastrum sp. (II), OR, WA;
P. goeppertianum (III), Witches' Broom,
general; 0, I on fir; P. vaccinii (II, III), general;
0, I on hemlock.
C
ANKER
, Black. Physalospora miyabeana, New
England, NY, WV.
C
ANKER
, Twig and Branch. Botryosphaeria
ribis, VA to GA, AR, CA; Cryptodiaporthe
salicina, ME to VA, AK, CA, KS, OK, SD,
WA; Cryptomyces maximus, bark blister;
NM, UT; Discella carbonacea, twig blight,
New England; Dothiora polyspora, CO;
Dothiorella sp., AR, ND; Macrophoma
spp., AR, KY, MS, NC, SC, TX; Phomopsis
salicina, IA, MA, VA; Physalospora
gregaria, WV; Valsa spp., twig canker;
V. sordida (
Cytospora chrysosperma
), wide-
spread; V. salicina, widespread; V. nivea,
western states.
D
ODDER
. Cuscuta spp., IA, NY, WA.
L
EAF
B
LISTER
. Taphrina populi-salicis, CA.
L
EAF
S
POT
. Ascochyta salicis, CA; Cercospora
salicina, IL, LA, MD, TX; Ciborinia
foliicola; C. wisconsinensis;
Cylindrosporium salicinum, MA to CO,
MS, WI; Gloeosporium spp., also twig blight,
CT, DE, MA; G. salicis, VT to NJ, MS, OR,
WI; Marssonina spp., widespread;
M. kriegeriana, WI; M. apicalis, CA;
Myrioconium comitatum, WI; Phyllosticta
apicalis, KS, WI; Ramularia rosea, CO, MT,
WI; Septogloeum salicinum, AK, NY, WI;
S. maculans, CA, MT; S. salicis-fendlerianae,
ID; Septoria spp.; S. salicicola, AK, OR;
S. didyma,WI.
L
EAF
S
POT
, Tar. Rhytisma salicinum, MI.
M
ISTLETOE
. Phoradendron serotinum
(flavescens), AZ, CA, IN, NM, TX.
M
ISTLETOE
, European. Viscum album, CA.
N
EMATODE
, Lesion. Pratylenchus vulnus, CA.
N
EMATODE
, Root Knot. Meloidogyne sp.
P
OWDERY
M
ILDEW
. Uncinula salicis, general;
Phyllactinia corylea, WA.
R
OT
, Heart. Daedalea confragosa, widespread;
Fomes spp.; Polyporus farlowii, TX to CA;
Trametes
Wild Garlic (Allium vineale);
Wild Mustard (Brassica kaber)
W
ILT
, Water-soaked foliage. Sclerotinia minor,
NC.
Wild Rice (Zizania)
A
NTHRACNOSE
. Colletotrichum sublineolum,
MN.
B
ACTERIAL
Leaf Spot. Pseudomonas syringae
pv. syringae, MN, Pacific Northwest;
P. syringae pv. zizaniae, Pacific Northwest.
B
LIGHT
,H
EAD
. Fusarium graminearum, MN.
L
EAF
S
POT
,StemLesion.Bipolaris sorokiniana,
Pacific Northwest; Sclerotium oryzae, Pacific
Northwest; S. hydrophilum, Pacific Northwest.
L
EAF
S
POT
, Zonate. Drechslera gigantea, MN.
R
OT
, Crown, Root. Phytophthora
erythroseptica, CA; Damping-off. Pythium
torulosum, CA.
S
MUT
. Entyloma lineatum, Pacific Northwest;
Ustilago esculenta, CA.
V
IRUS
. Wheat Streak Mosaic, MN.
Wildrye (Elymus)
L
EAF
S
POT
. Pyrenophora trichostoma, ND;
Septorium spraguei, ND.
Willow (Salix) (Includes Weeping
Willow, Pussy Willow)
suaveolens, New England to
B
ACTERIAL
Crown Gall. Agrobacterium
tumefaciens, CT, NJ, TX, VA.
B
ACTERIAL
Wetwood. Erwinia nimipressuralis.
B
LIGHT
, Twig. Diplodia salicina.
B
LIGHT
, Willow. Complex of scab and black
canker.
MT, AK.
R
OT
, Root. Armillaria mellea, CA, WA;
Helicobasidium
purpureum,
TX;
Phymatotrichum omnivorum, TX.
R
OT
, Sapwood; Wood. Daedalea ambigua;
Ganoderma
lucidum;
Pholiota
spp.;