celery blight
cercosporiosis
brown spot
phytopathology
blackheart
tar spot
leaf disease
plant disease
onion yellow dwarf
diachyma
canker
celtidaceous
brown leaf spot
leaf scorch
tomato streak
blotch
phytodiagnostics
yellow dwarf of potato
potato yellow dwarf
early blight
leaf spot
potato mosaic
finger-and-toe
black spot
septoria
onion smudge
phytoecdysteroid
pascal celery
Paschal celery
tobacco mosaic
thread blight
stolbur
phytocoenosis
rib
phytocenosis
heartrot
yellow spot fungus
Cercospora kopkei
lepiota
ergot
inkbush
napa
Chinese cabbage
Italian parsley
Petroselinum crispum neapolitanum
white rust
black rot
flat-leaf parsley
kromnek disease
pe-tsai