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