Most likely infection was favored by the combination of the presence of juvenile plant tissue being subjected to low temperatures increasing its susceptibility.
(Most likely infection; was favored; by the combination of the presence of juvenile plant tissue; being subjected to low temperatures) (Most likely infection; being subjected; to low temperatures) (low temperatures; increasing; its susceptibility)
Most likely infection Most likely infection low temperatures
was favored being subjected increasing
by the combination of the presence of juvenile plant tissue being subjected to low temperatures
to low temperatures
its susceptibility