Add the inducer from Taxus cell into the Gibberella culture. and add the cul-ture into another Taxus cell again. Contrast to the induction by Gibberella only. by theinter -induction. taxo1 content in Taxus cell can increase 5 times' The kinds of inducerscan affect the inter -induction. When the inducers is from Taxus cell wal1 and Gibberel-la wall. the effect of its is the strongest.