The spores that infect apple trees come from galls produced by the fungus on cedars (junipers).
(The spores; infect; apple trees) (The spores that infect apple trees; come; from galls) (galls; produced; by the fungus on cedars)
The spores The spores that infect apple trees galls
infect come produced
apple trees
from galls
by the fungus on cedars