negative regulation of basidium development
Any process that stops, prevents, or reduces the frequency, rate or extent of basidium development, a process that leads to the formation of basidium, a small, specialized club-shaped structure typically bearing four basidiospores at the tips of minute projections. The basidium is unique to basidiomycetes and distinguishes them from other kinds of fungi.
GO:0075262
negative regulation of spore-bearing organ development
is_a
GO:0075314
regulation of basidium development
is_a
GO:0075313
basidium development
negatively_regulates