Biology Reference
In-Depth Information
(0, I), New England to PA; II, III on poplar;
M. farlowii (III), New England to NC, WI;
Pucciniastrum hydrangeae (0, I), IN, MD,
PA, TN; II, III on hydrangea; P. myrtilli (0, I),
ME to AL, IN, WI; II, III on
Ericaceae
;
Uraecium holwayi (0, I), AK, MT, OR, WA;
Thekopsora minima.
Heliotrope (Heliotropium)
B
LIGHT
, Shoot; Leaf Spot. Botrytis cinerea, cos-
mopolitan; Stemphylium sp., NY.
L
EAF
S
POT
Cercospora heliotropii,NM,OR.
N
EMATODE
, Root Knot. Meloidogyne
sp.,
MA, WA.
R
UST
. Puccinia aristidae (0, I), AZ, CA, NV,
NM, TX, UT; II, III on grasses.
W
ILT
. Verticillium albo-atrum, MD.
Hemp (Cannabis)
B
LIGHT
, Gray Mold. Botrytis cinerea, OR, VA.
B
LIGHT
, Southern. Sclerotium rolfsii, SC, TX.
B
ROOMRAPE
. Orobanche ramosa, CA, IL, KY, WI.
C
ANKER
, Sclerotinia sclerotiorum, Canada.
C
ANKER
; Stem Rot. Gibberella quinqueseptata;
G. saubinetti, IN, VA.
C
ANKER
; Stem Wilt. Botryosphaeria marconii,
MD, VA.
L
EAF
C
URL
,Wilt.Cercospora cannabina,MS.
L
EAF
S
POT
. Cylindrosporium spp., MD;
Septoria cannabis, MD to KY, FL, IA, MN,
TX; Cercospora cannabis, MS.
N
EMATODE
, Root Knot. Meloidogyne sp., TN.
P
OWDERY
Hemlock (Tsuga)
B
LIGHT
, Needle. Didymascella tsugae, MA, NH,
WI; Rosellinia herpotrichioides, NC.
B
LIGHT
, Shoot Tip. Sirococcus tsugae, GA.
B
LIGHT
, Snow. Herpotrichia nigra, MT to OR,
AK.
B
LIGHT
, Twig. Botrytis cinerea,ID.
C
ANKER
, Bleeding. Phacidiopycnis
pseudotsugae (
Phacidiella coniferarum
)on
eastern hemlock.
C
ANKER
, Branch. Discocainia treleasi on western
hemlock, AK, WA.
C
ANKER
,
M
ILDEW
.
Golovinomyces
cichoracearum, FL.
R
OT
, Charcoal. Macrophomina phaseoli, IL.
R
OT
, Root. Phymatotrichum omnivorum, TX;
Hypomyces cancri, MD.
R
OT
, Stem; Wilt. Sclerotinia sclerotiorum,MT.
Stem
Girdle,
of
saplings.
Hymenochaete agglutinans, PA.
C
ANKER
, Twig. Cytospora sp., MD, VA;
Dermatea balsamea, GA, NY, TN, VA.
D
AMPING
-O
FF
. Rhizoctonia solani, cosmopolitan.
M
ISTLETOE
, Dwarf. Arceuthobium
campylopodium, AK, ID; A. cyanocarpum,
OR; A. tsugense, AK; A. laricis,WA;A.
abietinum, OR.
N
ONPARASITIC
. Canker; Bark Split. Heavy soil
and poor drainage.
R
OT
, Root. Armillaria mellea, MA to PA, MI,
OR, WA; Phymatotrichum omnivorum,
TX; Fusarium solani, PA; F. oxysporum,
PA; F. avenaceum, PA; Phytophthora
citricola, NC.
R
OT
, Seedling Root. Cylindrocladium
scoparium, NY; Rhizina undulata, NY.
R
OT
, Wood. Fomes spp.; Ganoderma lucidum,
Northeast; Polyporus spp., general.
R
UST
, Needle, Cone. Caeoma dubium (0, I), ID,
MT, OR, WA;Melampsora abietis-canadensis
Hempsesbania (Sesbania)
C
ANKER
,S
TEM
. Diaporthe phaseolorum var.
caulivora, LA.
Henbit (Laminum)
R
OT
. Sclerotinia minor, NC.
V
IRUS
. Tomato Ringspot, PA.
Hepatica
D
OWNY
M
ILDEW
. Plasmopara pygmaea, IA, IL,
NY, PA, WI.
