Biology Reference
In-Depth Information
Larch (Larix)
Larkspur
B
LIGHT
, Needle. Hypodermella laricis, Great
Lakes, Pacific Northwest. Meria laricis, ID.
B
LIGHT
, Seedling. Thelephora caryophyllea, ID,
MT, girdle, smother; Rhizina undulata, ID;
Meria laricis, WA.
C
ANKER
. Aleurodiscus amorphus, bark patch,
Northwest; A. spinulosus; A. werii;
Lachnellula willkommii, European larch
canker, MA, eradicated, ME; Valsa kunzei
var. kunzei.
C
ANKER
. Phomopsis pseudotsugae (
Phacidiella
coniferarum
) on western larch, Northwest.
D
AMPING
-O
FF
. Rhizoctonia solani,cosmopolitan.
M
ISTLETOE
, Dwarf. Arceuthobium
campylopodum, MT to OR, WA; A.
pusillum, Northeast, MN.
N
EEDLE
C
AST
. Lophodermium sp., WA; L.
laricinum, MT to OR; L. laricis, ID;
Cladosporium sp., ME; Mycosphaerella
laricina, IA, VT, WI.
R
OT
, Heart. Echinodontium tinctorium, WA;
Fomes spp., widespread.
R
OT
, Root. Armillaria mellea, cosmopolitan;
Phymatotrichum omnivorum, TX.
R
OT
, Sapwood. Lenzites saepiaria.
R
OT
, Seedling. Botrytis douglasii, gray mold,
Northwest; Cylindrocladium scoparium,
NJ; Phytophthora cinnamomi, MD;
Sparassis radicata, MT to OR, WA.
R
OT
, Wood.
Delphinium.
Crown Rot, Southern Blight, is prevalent on
annual larkspur.
▶
Laurel
▶
California-Laurel,
▶
Cherry-Laurel,
Mountain-Laurel.
▶
Laurel, Sweet Bay (Laurus)
B
LIGHT
, Ramorum.
Phytophthora ramorum,
PA.
B
LIGHT
, Thread. Pellicularia koleroga, SC.
Laurestinus (Viburnum tinus)
D
OWNY
M
ILDEW
. Plasmopara viburni, GA.
L
EAF
S
POT
.
Hendersonia
tini,
LA;
Leptosphaeria tini, LA.
L
EAF
S
POT
, Algal. Cephaleuros virescens, FL,
LA.
N
EMATODE
, Root Knot. Meloidogyne sp., CA.
P
OWDERY
M
ILDEW
. Erysiphe viburni, CA.
V
IRUS
. Alfalfa Mosaic, Chile.
W
ILT
. Verticillium albo-atrum, OR.
Polyporus
spp.;
Poria
spp.;
Stereum spp., widespread.
R
UST
. Melampsora paradoxa (0, I), northern U.
S. including AK; II, III on willow; M. larici-
populina (0, I), Quebec, Canada, WA; II, III
on poplar; M. medusae (0, I), New England to
MI and IN; II, III on poplar; M. medusae f. sp.
deltoidea (0, I), WA; II, III on poplar;
Melampsoridium betulinum (0, I), CT, WI;
II, III on birch.
W
OOD
D
ECAY
fungi associated with woodpecker
nest cavities: Coniophora puteana,
Gloeophyllum sepiarium, Oligoporus
placentus, Stereum sanguinolentum,
Neolentinus lepideus, Phaelous
schweinitzii, Wolfiporia cocos, OR.
Lavatera (Treemallow)
A
NTHRACNOSE
, Leaf
Spot.
Colletotrichum
malvarum, CA, TX.
D
AMPING
-O
FF
. Rhizoctonia solani, IL.
R
OT
, Root. Phymatotrichum omnivorum, TX.
R
UST
. Puccinia malvacearum (III), CA.
V
IRUS
. Abutilon Infectious Variegation.
Lavender (Lavandula)
B
ACTERIAL
L
EAF
D
ISEASE
.
Xanthomonas
campestris, CA.