positive regulation of aecium development
Any process that activates, maintains or increases the frequency, rate or extent of aecium development, a process in which a cuplike structure containing chains of aeciospores is formed.
GO:0075261
positive regulation of spore-bearing organ development
is_a
GO:0075268
regulation of aecium development
is_a
GO:0075267
aecium development
positively_regulates