negative regulation of stomatal opening
Any process that stops, prevents or reduces the frequency, rate or extent of stomatal opening.
GO:0048523
negative regulation of cellular process
is_a
GO:1902456
regulation of stomatal opening
is_a
GO:1990069
stomatal opening
negatively_regulates
down regulation of stomatal opening
exact
down-regulation of stomatal opening
exact
downregulation of stomatal opening
exact
inhibition of stomatal opening
narrow