citrus black spot
brown rot gummosis
gummosis
melanose
black rot
cercosporiosis
citrus greening
stubborn
Corticium salmonicolor
pink disease fungus
brown soft scale
Coccus hesperidum
phytopathology
chestnut blight
huanglongbing
felt fungus
Septobasidium pseudopedicellatum
stolbur
tristeza
littleleaf disease
root rot
Dutch elm disease
ergot
mycology
ophidiomycosis
plant disease
rust
rust fungus
ferrugo
brown rot
anthracnose
Panama disease
tomato streak
Bayoud disease
tracheomycosis
sooty bark disease
thread blight
rusty
septoria
bronzing
phytodiagnostics
lethal yellowing
elm yellows
koleroga
russeting
tomato yellows
tomato blight
eumusae leaf spot
mycosis
white rust