negative regulation of uredinium development
Any process that stops, prevents, or reduces the frequency, rate or extent of uredinium development, a process that leads to the formation of a reddish, pustule-like structure formed by a rust fungus and consisting of uredospores.
GO:0075262
negative regulation of spore-bearing organ development
is_a
GO:0075280
regulation of uredinium development
is_a
GO:0075279
uredinium development
negatively_regulates