positive regulation of Arp2/3 complex-mediated actin nucleation
positive regulation of actin filament branch nucleation
exact
positive regulation of branched actin filament nucleation
exact
Any process that activates or increases the frequency, rate or extent of Arp2/3 complex-mediated actin nucleation.
GO:0034315
regulation of Arp2/3 complex-mediated actin nucleation
is_a
GO:0051127
positive regulation of actin nucleation
is_a
GO:0034314
Arp2/3 complex-mediated actin nucleation
positively_regulates