Biology Reference
In-Depth Information
Bluestem, Big (Andropogon)
Bottle-Brush (Callistemon)
L EAF S POT . Ascochyta brachypodii, NY, PA;
Phyllosticta andropogonivora,MN,ND,SD.
V IRUS . Barley Yellow Dwarf.
L EAF S POT . Cylindrocladium colhounii, FL, HI,
LA, NC, OR, SC; C. clavatum, FL.
R OT , Root. Armillaria mellea, CA.
Bluestem, Little (Schizachyrium)
Bougainvillea (Buginvillaea)
V IRUS . Barley Yellow Dwarf.
B ACTERIAL
Leaf
Spot.
Pseudomonas
andropogonis,
FL;
Burkholderia
andropogonis, Canada.
B LIGHT , Foliage. Phytophthora parasitica,FL.
L EAF S POT . Cladosporium arthrinioides, TX;
Cercospora bougainvilleae, FL; Passalora
bougainvilleae, Mexico.
V IRUS . Mosaic. Undetermined, FL.
Boehmeria
N EMATODE . Paratylenchus elachistus, FL.
Boisduvalia
Bouvardia
R UST . Puccinia glabella (II, III), NV, OR, UT;
0, I unknown; P. oenotherae (0, I, II, III), CA,
ID, NV, OR, WA; P. vagansvar.
epilobi-tetragoni (0, I, II, III), CA, ID, NV,
OR, UT.
N EMATODE , Leaf. Aphelenchoides fragariae.
N EMATODE , Root Knot. Meloidogyne sp., NY.
R UST . Puccinia bouvardiae (0, I, III), AZ.
Boysenberry
Boltonia
Subject to most blackberry diseases: anthrac-
nose, crown gall, cane gall, cane canker, dieback,
leaf spots, mosaic.
L EAF S POT . Septoria erigerontis var. boltoniae,
IA, WI.
P OWDERY
M ILDEW .
Golovinomyces
cichoracearum, SD.
R UST . Puccinia dioicae var. asteris (II, III), IA,
NE, ND, SD; 0, I on sedge; Uromyces
compactus (0, I, II, III), TX.
S MUT , White. Entyloma compositarum, WI.
Boxelder (Acer negundo)
A NTHRACNOSE . Gloeosporium apocryptum,
widespread.
B ACTERIAL Leaf Spot. Pseudomonas aceris, CA.
B LIGHT Leaf. Coryneum negundinis, MO; on
twigs, ME.
B LIGHT , Twig. Coniothyrium negundinis, IL,
OK; Coryneum negundinis,ME.Nectria
cinnabarina.
Borage (Borago)
L EAF S POT . Ramularia sp., CA; Stemphylium sp.
R OT ,S OFT . Sclerotinia sclerotiorum, ND.
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