(1) Leaf spots (잎점무늬)

Symptoms Caused by Bacteria
Disease
: In general, fungi cause local or general necrosis or killing of
plant tissues and they often result in reduced growth (stunting) of
plant organs or entire plants
A. Necrotic symptoms
B. Symptoms associated with excessive enlargement or growth
and distortion of plant parts
C. Other (in addition to the above)
A. Necrotic symptoms
(1) Leaf spots (잎점무늬)
(2) Blight (마름증상)
(3) Canker (궤양)
(4) Dieback (가지마름)
(5) Root rot (뿌리썩음)
(6) Damping-off (모잘록)
(7) Basal stem rot (기부줄기썩음)
(8) Soft rots and dry rots (물렁썩이와 마른썩이)
(9) Anthracnose (탄저)
(10) Scab (더뎅이)
(11) Decline (쇠퇴)
(12) Stripe (줄무늬)
(1) Leaf spots (잎점무늬) : Localized lesions on host leaves
consisting of dead and collapsed cell
Host : Bean
콩 세균성점무늬병
Name : Halo blight
Cause : Pseudomonas savastanoi pv. phaseolicola
(Burkholder) Gardan et al.
Halo blight on leaf (left) and halo blight resulting in extensive yellowing of
plant (right), caused by Pseudomonas savastanoi pv. phaseolicola .
(1) Leaf spots (잎점무늬)
Host : Bean
강남콩 세균성점무늬병(1)
Name : Halo blight
Cause : Pseudomonas savastanoi pv. phaseolicola
(Burkholder) Gardan et al.
Halo blight on
pods (left) and
lesions and
bacterial crust of
holo blight on pod
(right), caused by
Pseudomonas
savastanoi pv.
phaseolicola .
(1) Leaf spots (잎점무늬)
Host : Bean
강남콩 세균성점무늬병(2)
Name : Halo blight
Cause : Pseudomonas savastanoi pv. phaseolicola
(Burkholder) Gardan et al.
Halo blight on seeds
(left) and on bean
debris (right), caused
by Pseudomonas
savastanoi pv.
phaseolicola .
(1) Leaf spots (잎점무늬)
Host : Bean
강남콩 세균성점무늬병(1)
Name : Bacterial brown spot
Cause : Pseudomonas savastanoi pv. phaseolicola
(Burkholder) Gardan et al.
Bacterial brown spot on leaf (left) and on pod (right), caused by
Pseudomonas savastanoi pv. phaseolicola .
(1) Leaf spots (잎점무늬)
Host : Peach
복숭아나무 세균성구멍병(1)
Name : Bacterial spot
Cause : Xanthomonas arboricola pv. pruni (Smith) Vauterin et al.
Yellowing and tip burning of peach leaves with bacterial spot (left) and
with developing leaf chlorosis (right), caused by Xanthomonas
arboricola pv. pruni .
(1) Leaf spots (잎점무늬)
Host : Peach
복숭아나무 세균성구멍병(2)
Name : Bacterial spot
Cause : Xanthomonas arboricola pv. pruni (Smith) Vauterin et al.
Pitting of the flesh of peach due to bacterial spot (left) and on peach
fruit (right), caused by Xanthomonas arboricola pv. pruni .
(1) Leaf spots (잎점무늬)
Host : Peach
복숭아나무 세균성구멍병(2)
Name : Bacterial spot
Cause : Xanthomonas arboricola pv. pruni (Smith) Vauterin et al.
Disease cycle of peach bacterial spot.
(2) Blight (마름증상) : General and extremely rapid browning and
death of leaves, branches, twigs, and floral organs
Host : Pea
완두콩 세균성마름병(1)
Name : Bacterial blight
Cause : Pseudomonas syringae pv. pisi (Sackett) Young, Dye & Wilkie
Young, water-soaked lesions on the undersides of leaves (left) and
translucent lesion (right), caused by bacterial blight .
(2) Blight (마름증상)
Host : Pea
완두콩 세균성마름병(2)
Name : Bacterial blight
Cause : Pseudomonas syringae pv. pisi (Sackett) Young, Dye & Wilkie
Bacterial blight lesions on the surfaces
of pods (left) and symptoms of
bacterial blight along the suture and
infected, shriveled seed (right).
(2) Blight (마름증상)
Host : Pea
완두콩 세균성마름병(3)
Name : Bacterial blight
Cause : Pseudomonas syringae pv. syringae van Hall
Symptoms of bacterial blight (left, normal) and brown spot (right, off-type),
caused by Pseudomonas syringae pv. syringae.
(2) Blight (마름증상)
Host : Soybean
콩 세균성마름병
Name : Bacterial blight
Cause : Pseudomonas savastanoi pv. glycinea (Coerper) Gardan et al.
Small, angular, yellow to light brown leaf lesions (left) and seed
discoloration (right), caused by bacterial blight
(2) Blight (마름증상)
Host : Soybean
Name : Bacterial wildfire
Cause : Pseudomonas savastanoi pv. tabaci
(Wolf & Forster) Young et al.
콩 세균성마름병
Light brown, necrotic spot surrounded by yellow halos,
caused by bacterial wildfire.
(2) Blight (마름증상)
Host : Bean
강남콩 세균성마름병(1)
Name : Common bacterial blight
Cause : Xanthomonas axonopodis pv. phaseoli (Smith) Vauterin et al.
Water-soaked lesion (left) of common bacterial blight on lower leaf
surface (right), caused by Xanthomonas axonopodis pv. phaseoli .
(2) Blight (마름증상)
Host : Bean
강남콩 세균성마름병(2)
Name : Common bacterial blight
Cause : Xanthomonas axonopodis pv. phaseoli (Smith) Vauterin et al.
Common bacterial blight on pods (left) and on seeds (right),
caused by Xanthomonas axonopodis pv. phaseoli .
(2) Blight (마름증상)
Host : Soybean
콩 불마름병
Name : Bacterial pustule
Cause : Xanthomonas axonopodis pv. glycinea (Nakano) Vauterin et al.
Small, reddish brown lesions, caused by bacterial pustule
on a leaf and petiole.
(2) Blight (마름증상)
Host : Rice
벼 흰잎마름병(1)
Name : Bacterial (leaf) blight
Cause : Xanthomonas oryzae pv. oryzae (Ishiyama) Swings et al.
A field showing severe bacterial leaf
blight infection at the maximum
tillering (left) and note water-soaked
stripes on leaf blades (right).
(2) Blight (마름증상)
Host : Rice
벼 흰잎마름병(2)
Name : Bacterial (leaf) blight
Cause : Xanthomonas oryzae pv. oryzae (Ishiyama) Swings et al.
Bacterial blight, caused by Xanthomonas oryzae pv. oryzae; the stripes
enlarge and become yellow and then white (left) and kresek syndrom of
bacterial leaf blight (right).
(2) Blight (마름증상)
Host : Rice
벼 흰잎마름병(3)
Name : Bacterial (leaf) blight
Cause : Xanthomonas oryzae pv. oryzae (Ishiyama) Swings et al.
Pale yellow leaf syndrome of bacterial blight (left) and plants exhibiting
the kresek syndrome inoculated with Xanthomonas oryzae pv. oryzae; at
9, 16, 23, 32 days (from left to right) (right).
(2) Blight (마름증상)
Host : Apple
사과나무 화상병(1)
Name : Fire blight
Cause : Erwinia amylovora (Burrill) Winslow et al.
Apple tree with dieback of spurs and
shoots caused by fire blight (left) and
first symptoms of blossom blight; note
ooze droplets and discoloration of the
blossom on the lower right (right).
(2) Blight (마름증상)
Host : Apple
사과나무 화상병(2)
Name : Fire blight
Cause : Erwinia amylovora (Burrill) Winslow et al.
An apple shoot with tree with fire blight; note crook at tip (left) and
bacterial ooze exuding from an apple infected with fire blight (right).
(2) Blight (마름증상)
Host : Apple
사과나무 화상병(3)
Name : Fire blight
Cause : Erwinia amylovora (Burrill) Winslow et al.
Decline of Spy apple trees due to infection of Mark rootstock by fire blight
(left) and fire blight on apple rootstocks just below ground level; note
bark cut away to show the margin between healthy and diseased crown
and root tissues (right).
(2) Blight (마름증상)
Host : Apple
사과나무 화상병(4)
Name : Fire blight
Cause : Erwinia amylovora (Burrill) Winslow et al.
Active (left) and
dormant (right)
cankers, caused by
fire blight (left) and
fire blight on the M.9
rootstock of an
apple tree (right).
(2) Blight (마름증상)
Host : Chrysanthemum
국화 세균성마름병(국내기록)
Name : Bacterial blight
Cause : Erwinia chrysanthemi Burkholder, McFadden & Dimock
Wilting and collaps of the
terminal portion of a
shoot infected with
Erwinia chrysanthemi (left)
and discoloration of inner
stem tissue, caused by E.
chrysanthemi (right).
(3) Canker (궤양) : Localized necrotic lesions on a stem, often
sunken, of a plant
Host : Tomato
토마토 궤양병(1)
Name : Bacterial canker
Cause : Clavibacter michiganensis subsp. michiganensis
(Smith) Davis et al.
Bacteria canker on field-grown tomato plants (left) and marginal
necrosis and death of leaves (right)
(3) Canker (궤양)
Host : Tomato
토마토 궤양병(2)
Name : Bacterial canker
Cause : Clavibacter michiganensis subsp. michiganensis
(Smith) Davis et al.
Bacteria canker of tomato; whitish cankers, marginal leaf necrosis,
and tip dieback (left) and fruit infection (right)
(3) Canker (궤양)
Host : Orange
오렌지 세균성궤양병(1)
Name : Citrus canker
Cause : Xanthomonas campestris pv.citrumelo Gabrial et al.
Sweet orange leaf with leafminer tunnels and numerous citrus canker
lesions (left), and on leaves (right), caused by Xanthomonas campestris
pv.citrumelo .
(3) Canker (궤양)
Host : Orange
오렌지 세균성궤양병(2)
Name : Citrus canker
Cause : Xanthomonas campestris pv.citrumelo Gabrial et al.
Lesions caused by citrus canker on
sweet orange fruit, caused by
Xanthomonas campestris pv.citrumelo .
(8) Soft rots and dry rots (물렁썩이와 마른썩이) : Maceration and
disintegration of fruits, roots, bulbs, and fleshy leaves
Host : Potato
감자 갈색썩음병(1)
Name : Brown rot
Cause : Ralstonia solanacearum (Smith) Yabuuchi et al.
(= Pseudomonas solanacearum Smith)
Brown rot in the field (left) and rapid wilting of foliage of a plant with
brown rot (right)
(8) Soft rots and dry rots (물렁썩이와 마른썩이)
Host : Potato
감자 갈색썩음병(2)
Name : Brown rot
Cause : Ralstonia solanacearum (Smith) Yabuuchi et al.
(= Pseudomonas solanacearum Smith)
Distinct grayish brown discoloration of vascular tissue in tuber with brown
rot (left) and grayish discoloration extending into the pith and cortex of a
tuber with brown rot (right)
(8) Soft rots and dry rots (물렁썩이와 마른썩이)
Host : Potato
감자 갈색썩음병(3)
Name : Brown rot
Cause : Ralstonia solanacearum (Smith) Yabuuchi et al.
(= Pseudomonas solanacearum Smith)
Tuber infected with brown rot and left in the ground, continuing to decay.
(8) Soft rots and dry rots (물렁썩이와 마른썩이)
Host : Potato
감자 둘레썩음병(1)
Name : Bacterial ring rot
Cause : Clavibacter michiganensis subsp. sepedonicus
(Spieck. & Kotth.) Davis et al.
Advanced ring rot symptoms on foliage: pronounced upward rolling of
leaves and marginal necrosis of low leaves (left) and ring rot symptoms
on tubers: pale yellow to light brown cheesy rot or the vascular ring,
typically with odorless bacterial ooze (right).
(8) Soft rots and dry rots (물렁썩이와 마른썩이)
Host : Potato
Name : Tuber soft rot
Cause : Erwinia spp.
감자 무름병
Tuber soft rot : affected tissue turn cream colored to tan
are soft and granular.
(10) Scab (더뎅이) : Localized lesions on host fruit, leaves, tubers,
etc., usually slightly raised or sunken and cracked, giving a scabby
appearance
Host : Potato
Name : Common scab
Cause : Streptomyces spp.
감자 더뎅이병(1)
Superficial scab lesion (russet scab) (left) and slightly raised scab lesions
(erumpent scab) (right).
(10) Scab (더뎅이)
Host : Potato
감자 더뎅이병(2)
Name : Common scab
Cause : Streptomyces scabies (Thaxter) Lambert & Loria
Sunken scab lesion (pitted scab) (left) and gray, spiral chains produced
by Streptomyces scabiei, the common scab pathogen (right).
B. Symptoms associated with excessive enlargement
or growth and distortion of plant parts
(1)
(2)
(3)
(4)
Clubroot (무사마귀, 근류병)
Galls (혹)
Warts (사마귀)
Witches'-brooms (빗자루병)
(5) Leaf curls (잎오갈)
(2) Galls (혹) : Enlarged portions of plant organs (stems, leaves,
blossoms, roots)
Host : Apple
사과 근두암종병
Name : Crown gall
Cause : Agrobacterium tumefaciens (Smith & Townsend) Conn
Crown gall of Mark apple rootstock.
(2) Galls (혹)
Host : Peach
복숭아나무 근두암종병
Name : Crown gall
Cause : Agrobacterium tumefaciens (Smith & Townsend) Conn
Crown gall on peach.
(2) Galls (혹)
Host : Walnut
호두나무 근두암종병
Name : Crown gall
Cause : Agrobacterium tumefaciens (Smith & Townsend) Conn
Large crown gall on a walnut tree.
(2) Galls (혹)
Host : Rose
장미 혹병(국내미기록)
Name : Crown gall
Cause : Agrobacterium tumefaciens (Smith & Townsend) Conn
Crown gall caused by A. tumefaciens;
note gall at crown of plant or just
below soil surface (left), and on aerial
portion of cane (right).
(2) Galls (혹)
Host : Rose
장미 혹병(국내미기록)
Name : Crown gall
Cause : Agrobacterium tumefaciens (Smith & Townsend) Conn
Crown gall caused by A. tumefaciens;
note gall on aerial portion of cane (left),
and cut gall, showing lighter internal
tissue and darkened, woody, outer
portions of gall that slough off (right).
C. Other (in addition to the above)
(1)
(2)
(3)
(4)
(5)
Wilt (시들음)
Rust (녹병)
Smut (깜부기)
Downy mildew (노균병)
Powdery mildew (흰가루병)
(1) Wilt (시들음) : Generalized loss of turgidity and drooping of leaves or
shoots
Host : Tomato
토마토 풋마름병(1)
Name : Bacterial wilt
Cause : Ralstonia solanacearum (Smith) Yabuuchi et al.
(= Pseudomonas solanacearum Smith)
Bacteria wilt of tomato in field (left) and on a plant (right)
(1) Wilt (시들음)
Host : Tomato
토마토 풋마름병(2)
Name : Bacterial wilt
Cause : Ralstonia solanacearum (Smith) Yabuuchi et al.
(= Pseudomonas solanacearum Smith)
Bacterial wilt of tomato; culture of Ralstonia solanacearum