In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

It was first identified by Frederick Addicott in 1963 and originally called dormin since it was thought to play a role in bud dormancy. It is synthesized from the 40-carbon carotenoid violaxanthin, which is converted to xanthonin and then this compound's aldehyde. Unlike auxins, its movement does not exhibit polarity. It induces the closure of stomata, inhibits shoot growth despite its lack of influence on roots, and inhibits the effects of gibberellins on synthesizing a-amylase. FTP, identify this plant compound named after its ability to cut fruits from plant stems.
Science