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Seed-borne pathogen bacteria, image, image, image, image, image, image,…
Seed-borne pathogen bacteria
Symptoms
Blights and Spots
Pseudomonas
Xanthomonas
Erwinia
Cankers
Xanthomonas
Wilts
Ralstonia
Pantoea
Clavibacter
Soft rots
Pectobacterium
Gall diseases
Agrobacterium
Pseudomonas
Clavibacter
Scab
Streptomyces
Important diseases
Bacterial fruit blotch (BFB)
Acidovorax avenae
subsp
. citrulli
Water soak lesions along vein
cucurbits,
watermelon, melon
Halo blight
Pseudomonas savastanoi
pv
. phaseolicola
seed-borne in beans
Common Bacterial blight
Xanthomonas axonopodis
pv
. phaseoli
bean (Phaseolus spp.)
Water soak lesions
Black rot
Xanthomonas campestris
pv
. campestris
Black rot lesions
cabbage
and cruciferous
Bacterial leaf blight
Xanthomonas oryzae
pv
. oryzae
bacterial wilt of maize
Pantoea stewartii
subsp
. stewartii
No visible symptoms on infected seeds
transmission through insect
sweet corn
Bacterial Spot on Tomato
Xanthomonas
campestris
pv.
vesicatoria
Detection
Extraction
Koch's postulates
Purification
Dilution plate
Streak plate method
Identification
Hypersensitivity test
Pathogenicity test
Levan formation
Starch hydrolysis
Oxydation/fermentation test
Gelatin liquefaction
Serology test
