Host Plants - Westcott's Plant Disease - page 513

Fuchsia Galium (Bedstraw)

B LIGHT , Gray Mold. Botrytis cinerea, AK, WV.
D IEBACK . Phomopsis sp., VA.
L EAF S POT . Septoria sp., OK.
N EMATODE , Root Knot. Meloidogyne sp.
R OT ,MushroomRoot.Armillaria mellea,CA.
R OT , Root. Pythium rostratum; P. ultimum,
CA;

D ODDER . Cuscuta cuspidata, TX.
D OWNY M ILDEW . Peronospora calotheca, IA,
ND, WI.
L EAF S POT . Cercospora galii, AL, AK, IA, NH,
NY, OR; Pseudopeziza repanda, CA, CT,
GA, IL, IA, NY, ND, OR, WI; Melasmia
galii, IA; Septoria cruciatae, IN, MI, NJ,
NY, WV, WI.
P OWDERY M ILDEW . Golovinomyces
cichoracearum, CA, MT, OR, PA, WA;
Erysiphe polygoni, KS.
R OT , Root. Phymatotrichum omnivorum, TX.
R UST . Puccinia difformis (0, I, III), OH to KS,
MT, Pacific Coast; P. punctata (0, I, II, III);
CT, MS, NC, ND to CA, WA; P. punctata
var. troglodytes (0, I), CT to MO, SD, WA;
P. rubefaciens (III), AK, IA, WI to CA,
WA; Pucciniastrum galii, NY, PA to CA,
CO, and OR; Uromyces galii-californici
(II, III), CA.

Phytophthora parasitica, OR;

Thielaviopsis sp., OR.
R UST . Pucciniastrum epilobii, NC, OR; Uredo
fuchsiae (II), OH.
V IRUS . Tomato Spotted Wilt, CA; Cucumber
Mosaic, MN.
W ILT . Verticillium albo-atrum, CA.
Verticillium wilt is common in garden plantings
of fuchsia in California.

Gaillardia (Blanket Flower)

B ACTERIAL , MLO. Aster Yellows, NJ, NY, PA,
and California Aster Yellows, CA.
L EAF S POT . Septoria gaillardiae, IA, OK, TX.
N EMATODE . Naccobus batatiformis, NE.
P OWDERY M ILDEW . Golovinomyces
cichoracearum, MT, OK, TX; Sphaerotheca
macularis, MT, WA, WY; Leveillula
taurica, WA.
R OT , Crown and Stem. Sclerotinia sclerotiorum,
CA.
R OT , Root. Phymatotrichum omnivorum, TX;
Pythium ultimum, CA.
R UST . Coleosporium asterum (II, III), CA; 0,
I on pine; Puccinia gaillardiae (0, I), CA, II,
III unknown.
S MUT , White. Entyloma polysporum, KS, MN,
NE, VA.
V IRUS . Tomato Spotted Wilt, CA; Bidens
Mottle, FL.

Galtonia (Summer-Hyacinth)

V IRUS . Ornithogalum Mosaic, OR.

Gardenia (Cape-Jasmine)

B ACTERIAL Leaf Spot. Xanthomonas

maculifolium-gardeniae, CA.
B LIGHT , Bud Rot. Botrytis cinerea, in green-
houses; outdoors in CA.
C ANKER , Stem Gall. Phomopsis ( Diaporthe )
gardeniae, CA, widespread in greenhouses,
outdoors in CA, FL.
L EAF S POT . Myrothecium roridum, PA;
Pestalotia langloisii, AL, FL; Phyllosticta
sp., MS, NJ, TX; Rhizoctonia sp., NJ;
Mycosphaerella gardeniae, GA.
L EAF S POT , Algal. Cephaleuros virescens, Gulf
states.
N EMATODE , Burrowing. Radopholus similis, FL.
N EMATODE ,

Galax

L EAF S POT . Clypeolella leemingii, black spot,
MD to GA, MS; Discohainesia oenotherae,
NC; Phyllosticta galactis, NC, VA, WV.

Reniform. Rotylenchulus

reniformis.