Host Plants - Westcott's Plant Disease - page 556

N EMATODE , Root Knot. Meloidogyne spp., OK, TX.
N ONPARASITIC

Loosestrife, Moneywort (Lysimachia)

Chlorosis. Iron Deficiency,

NE, TX.
Little Leaf. Zinc deficiency, CA.
P OWDERY M ILDEW . Erysiphe polygoni, CA;
Microsphaera diffusa, IL, NC; Phyllactinia
corylea, NM.
R OT , Heart. Fomes spp., F. rimosus, VA;
Polyporus spp.
R OT , Root. Armillaria mellea; Phymato-
trichum omnivorum, NM, OK; Pythium
myriotylum, NC; Fusarium sp., AL, GA.
R OT , Seedling Stem. Phytophthora cinnamomi,
MD; Rhizoctonia bataticola, AL, NC; Scle-
rotium bataticola, TX.
R OT ,Wood.Daedalea unicolor,WI;Poria spp.
V IRUS . Locust Witches' Broom, Robinia
Brooming Disease, PA to GA, AR, OH.
W ILT , Seedling. Phytophthora parasitica, AL,
NC, VA; Verticillium albo-atrum, IL.

B LIGHT , Leaf and Stem Necrosis.

Ceratobasidium anceps, WI.
G ALL , Leaf. Synchytrium aureum, WI.
L EAF S POT . Cercospora lysimachiae, NJ;

Cladosporium lysimachiae, MA;

Ramularia lysimachiae, WI; Septoria

conspicua, IA, NY, VT.
N EMATODE , Root Knot. Meloidogyne sp., TX.
N EMATODE , Stem. Ditylenchus dipsaci.
R OT , Crown Stem. Sclerotium rolfsii, KS;
Phymatotrichum omnivorum, TX.
R UST . Coleosporium campanulae (II, III), TN;
0, I on red pine; Puccinia limosae (0, I), MA
to NC, MI, NE, WI.

Loquat (Eriobotrya)

A NTHRACNOSE ; Flower Blight; Withertip.
Colletotrichum gloeosporioides,CA,FL,TX.
B ACTERIAL Fire Blight. Erwinia amylovora, Gulf
states, AZ, CA.
B LIGHT , Leaf; Blotch. Fabraea maculata, FL.
L EAF S POT . Phyllosticta

Loganberry

Blackberry.

▶

eriobotryae, FL;

Lomatium (Biscuit-Root)

Pestalotia sp., secondary; Septoria

eriobotryae, FL.
L EAF S POT , Algal. Cephaleuros virescens, FL.
N EMATODE , Burrowing. Radopholus similis, FL.
R OT , Collar, Crown. Phytophthora cactorum,
CA.
R OT , Root. Armillaria mellea, CA; Clitocybe
tabescens,

D OWNY M ILDEW . Plasmopara nivea, MT.
L EAF S POT . Phyllachora sp., WA.
R UST . Puccinia asperior (0, I, III), CA, OR, WA;
P. jonesii (0, I, III), KS, NE, UT, WA;
P. ligustici, ID, WA.

FL; Phymatotrichum

omnivorum, TX.
S CAB . Fusicladium eriobotryae, on leaves,
stems, fruit, Gulf states; Spilocaea
eriobotryae ( Fusicladium photinicola ).

Loosestrife, Fringed (Steironema)

L EAF S POT . Cylindrosporium steironematis,
NY; Mycosphaerella sp., NY; Phyllosticta
lysimachiae, NY; Ramularia lysimachiae,
NC, WI; Septoria conspicua, ME to MS,
CO, WI.
R OT , Root. Phymatotrichum omnivorum,TX.
R UST . Puccinia dayi, NY to WV, IL, MI, MT,
WI; P. distichlidis (0, I), CO, ND; II, III on
marsh grass; Uromyces acuminatus (0, I), CT
to CO, ND, SD.

Lotus (Nelumbo)

B LIGHT . Dothiorella nelumbonis, on flower
parts, DE, MD.
L EAF S POT . Alternaria nelumbii, MD, NJ, NY,
OK, PA, TX; Cercospora nelumbonis,
IN, TX.