Host Plants - Westcott's Plant Disease - page 660

L EAF S POT . Septoria valerianellae, MS, TX.
P OWDERY M ILDEW .

Veratrum (False-Hellebore)

Golovinomyces orontii,

CA.
R OT , Root. Phymatotrichum omnivorum, TX;
Thielaviopsis basicola, PA.
R OT , Stem and Crown. Sclerotinia minor, CA.

L EAF S POT . Ascochyta veratrina, WA;
Cylindrosporium veratrinum,CA,NY,UT,
VA, WA; Cercosporella terminalis,NY;
Phyllosticta melanoplaca, CA, CT, ID, UT.
L EAF S POT , Tar. Phyllachora melanoplaca, NY.
R UST . Puccinia atropuncta (II, III), MO, NC,
OK, TN, VA, WV; 0, I on composites;
P. veratri, widespread; 0, I on Epilobium .

Vancouveria

L EAF S POT . Phragmodothis berberidis, CA;
Ramularia vancouveriae, CA, OR.

Verbascum

Vanilla

B ACTERIAL , Proliferation. Rhodococcus fascians,
OR. B LACK M ILDEW . Lembosia rolfsii, FL.

L EAF S POT ; Pod Spot. Botryosphaeria vanillae,
FL; Volutella vanillae, FL.

Verbena, Garden (Verbena hortensis)

Vanilla-Leaf (Achlys)

B LIGHT , Flower. Botrytis cinerea, MA.
N EMATODE , Root Knot. Meloidogyne sp., MD.
P OWDERY L EAF S POT . Ascochyta achlyicola, WA;

Stagonospora achlydis, OR.

M ILDEW . Golovinomyces

cichoracearum, general.
R OT , Charcoal. Macrophomina phaseoli, OK.
R OT , Root. Phymatotrichum omnivorum, TX;
Rhizoctonia

Velvet Bean (Stizolobium)

solani, NY; Thielaviopsis

basicola, PA.
V IRUS . Broad Bean Wilt, FL; Nemesia Ring
Necrosis Tymovirus, CA; Angelonia Flower
Break Carmovirus; Verbena Virus Y,
Potatao Virus Y, Potyvirus, AR, OR.

B ACTERIAL Spot. Pseudomonas syringae, IN;
P. stizolobii, NC.
B LIGHT , Southern. Sclerotium rolfsii, AL,
FL, GA.
L EAF S POT . Cercospora stizolobii, AL, FL, GA,
NC, SC; Mycosphaerella cruenta, GA;
Phyllosticta macunae, AL.
N EMATODE , Root Knot. Meloidogyne spp., CA,
TX.
R OT , Pod Spot. Fusarium sp., TX.
R OT , Root. Phymatotrichum omnivorum, AZ,
TX; Phytophthora parasitica, FL.

Verbena (Native Species)

B LIGHT , Web. Rhizoctonia solani, LA.
B REAK C ARMOVIRUS .
B ROOMRAPE . Orobanche ramosa, TX.
D ODDER . Cuscuta arvensis, OK.
D OWNY M ILDEW . Plasmopara halstedii,NM.
L EAF S POT . Ascochyta verbenae, WI;
Cercospora verbenicola, AL, LA, TX;
Phyllosticta

Venus Flytrap (Dionaea muscipula)

texensis, TX; Septoria

R OT , Root. Phytophthora cinnamomi, NC. verbenae, VT to MS, SD, TX.