initiation of appressorium formation
The process in which a relatively unspecialized cell starts to acquire specialized features of the symbiont appressorium to aid in infection of the host. The host is defined as the larger of the organisms involved in a symbiotic interaction.
GO:0044111
formation of structure involved in a symbiotic process
is_a
GO:0075016
appressorium formation
part_of
appressorium initiation on or near host
exact
initiation of appressorium by symbiont on or near host
exact
initiation of appressorium on or near host
related
initiation of symbiont appressorium on or near host
exact