positive regulation of phytoalexin biosynthetic process
Any process that activates, maintains or increases the frequency, rate or extent of phytoalexin biosynthesis, the chemical reactions and pathways resulting in the formation of phytoalexins.
GO:0140546
defense response to symbiont
is_a
GO:1900378
positive regulation of secondary metabolite biosynthetic process
is_a
GO:0052315
phytoalexin biosynthetic process
positively_regulates
activation of phytoalexin biosynthesis
narrow
positive regulation of phytoalexin biosynthesis
exact
stimulation of phytoalexin biosynthesis
narrow
up regulation of phytoalexin biosynthesis
exact
up-regulation of phytoalexin biosynthesis
exact
upregulation of phytoalexin biosynthesis
exact