Biology Reference
In-Depth Information
N ECROSIS ,Vascular.Verticillium dahliae,NM.
R OT , Root. Phymatotrichum omnivorum, TX.
R OT , Stem. Sclerotinia sclerotiorum, MA.
V IRUS . Bean Yellow Mosaic Virus, NY. Also
susceptible to Cucumber Mosaic, Tobacco
Etch, Tobacco Mosaic, Tobacco Necrosis,
Tobacco Ring Spot, Tomato Ring Spot,
Alfalfa Mosaic, Broad Bean Wilt, Lettuce
Mosaic, Pea Seedborne Mosaic, Potato
Virus Y, Turnip Mosaic, Watermelon
Mosaic.
Turtle-Head (Chelone)
L EAF S POT . Septoria mariae-wilsonii, ME to PA,
OH, WI.
P OWDERY M ILDEW . Golovinomyces
cichoracearum, and Erysiphe polygoni,
widespread.
R UST . Puccinia andropogonis var. penstemonis
(0, I), CT, MA, NJ, NY, PA, TN; II, III on
Andropogon ; P. chelonis (III), OR, WA.
V IRUS . Tomato Spotted Wilt, PA.
Uvularia (Bellwort, Merry-Bells)
Udo (Aralia cordata)
L EAF S POT . Sphaeropsis cruenta, CT, IL, IN, IA,
MO, NY, VA,WI.
R UST . Puccinia sessilis (0, I), DE, IA, MN, MO,
NY, ND, WI; Uromyces acuminatus var.
magnatus (0, I), MS, WI.
B LIGHT . Alternaria sp., DE, NJ.
R OT , Stem. Sclerotinia sclerotiorum, MD.
W ILT . Verticillium albo-atrum, ME, PA.
Umbrella-Pine (Sciadopitys)
Valerian, Garden Heliotrope
(Valeriana)
B LIGHT , Twig. Diplodia pinea, NJ.
L EAF S POT . Phyllosticta sp., RI; Cytospora sp.,
OR.
R OT , Root; Damping-off. Rhizoctonia solani,
CT.
R OT , Root; Wilt. Phytophthora cinnamomi,VA.
L EAF S POT . Ramularia centranthi, CA; Septoria
valerianae, WI.
P OWDERY
M ILDEW .
Golovinomyces
cichoracearum, CO, UT.
R OT , Root. Rhizoctonia solani, NY.
R OT , Stem. Sclerotinia rolfsii, CT, NJ.
R UST . Puccinia commutata (0, I, III), NY, OR;
P. dioicae (0, I), CO, NM, UT; II, III on
Carex ; P. valerianae (II, III), AK.
Umbrellawort (Oxybaphus)
D OWNY M ILDEW .
Peronospora
oxybaphi,
KS, SD.
L EAF S POT . Ascochyta oxybaphi, IA, WI;
Cercospora oxybaphi, IL, IA, KS, NE, OH,
TX.
R OT , Root. Phymatotrichum omnivorum, TX.
W HITE R UST . Albugo platensis, AL.
Valerian, Red, Jupiters-Beard
(Centranthus)
L EAF S POT . Ramularia centranthi, CA.
Unicorn-Plant, Proboscis-Flower
(Proboscidea)
Valerianella (Corn-Salad or Lamb's
Lettuce)
B LIGHT , Southern. Sclerotium rolfsii, TX.
L EAF S POT . Cercospora beticola, IA, KS, OK,
TX, WI.
D OWNY M ILDEW .
Peronospora valerianellae,
CA.
G ALL , Leaf. Synchytrium aureum,MS.
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