Any process that activates or increases the frequency, rate or extent of filamentous growth of a population of unicellular organisms in response to chemical stimulus.
synonyms:
upregulation of filamentous growth of a population of unicellular organisms in response to chemical stimulus,
up regulation of filamentous growth of a population of unicellular organisms in response to chemical stimulus,
up-regulation of filamentous growth of a population of unicellular organisms in response to chemical stimulus,
activation of filamentous growth of a population of unicellular organisms in response to chemical stimulus