positively regulates positive regulation of developmental process biological regulation penetration hypha formation regulation of penetration hypha formation positive regulation of penetration hypha formation https://github.com/geneontology/go-ontology/issues/21121 Any process that activates, maintains or increases the frequency, rate or extent of symbiont penetration hypha formation for entry into host. The host is defined as the larger of the organisms involved in a symbiotic interaction. positive regulation of symbiont penetration hypha formation for entry into host Note that this term should not be used to annotate gene products of the host. It should only be used to annotate those gene products from the symbiont involved in this process. GO:0075203 biological_process positive regulation by symbiont of entry into host