Biology Reference
In-Depth Information
Blueberry Shoestring Sobemovirus
Brome Mosaic Bromovirus
Symptoms of “shoestring disease” included red-
dish streak on stem, narrow strap-like leaves and
flower breaking.
On cowpea.
Cabbage Black Ring Spot
Blueberry Shoestring Sobemovirus
Turnip Mosaic Potyvirus.
▶
On highbush bluberry.
Cabbage Ring Necrosis
¼
Turnip
Mosaic Potyvirus
Blueberry Stunt Phytoplasma
On cabbage and other crucifers, also infecting
petunia, zinnia, calendula, cucumber, beet,
chard, and spinach. Concentric necrotic rings on
leaves and irregular dark, slightly sunken lesions
on stems.
Bushes are dwarfed with small leaves, yellowing
in summer, brilliant red in fall; berries are
small, poor. Transmission by a leafhopper
(
Scaphytopius magdalensis
). Variety Rancocas
is quite resistant; Harding is tolerant. Eliminate
wild blueberries near cultivated.
Cactus X. Potexvirus
Broad Bean Severe Chlorosis
Closterovirus
On night-blooming cactus (
Hylocereus
).
Calibrachoa Mottle Carmovirus
Caused chlorosis, necrosis and leaf malformation
on broad beans.
Chlorotic blotch, leaf mottling and interveinal
yellowing on
Calibrachoa
species.
Broad Bean Wilt Fabavirus
Camellia Yellow Mottle Varicosavirus
Virus is the type species of genus. It is known also
as a catalpa chlorotic leaf spot, tropaeolum, nas-
turtium and petunia ringspots, pea streak virus
and parsley virus 3.
Infectious Variegation; Color-Breaking. A graft-
transmissible disease with at least four strains;
CV1 -large white spots on petals; CV2 - small
white flecks on petals, leaf variegation; CV3-
feathery mottling of flowers; CV4- slower varie-
gation and leaf mottle.
Broad Bean Wilt Fabavirus
Causes leaf mottle, ring spots, and poor growth of
fibrous-rooted begonia; also found on clockvine,
bean, lettuce, spinach, lambsquarter, ajuga, and
dogwood.
Canna Mosaic
Brome Grass Mosaic
Leaves with irregular pale yellow stripes from
midrib to margin, parallel with veins, may be
wrinkled and curled with chlorotic areas often
dusty brown. Stems, sepals, and petals have
Recently reported on Kentucky bluegrass,
in
Kansas.
