英文關鍵字
unhealthy
pear
nature
tree
leaf
infestation
garden
green
agriculture
plant
disease
danger
foliage
rust
fruit
orange
damage
closeup
gardening
infected
pathology
environment
pest
outdoor
background
surface
branch
pathogen
fungal
summer
yellow
stain
sweet
mushroom
virus
harvest
grow
detail
infection
biology
poison
parasite
birnengitterrost
fungus
fungi
light