positive regulation of histone H3-K9 dimethylation
Known as: up regulation of histone H3 K9 dimethylation, up-regulation of histone H3-K9 dimethylation, up regulation of histone lysine H3 K9 dimethylation
Any process that activates or increases the frequency, rate or extent of histone H3-K9 dimethylation. [GOC:TermGenie, GOC:vw]