KnowraPlant growth regulatorLinked fromLinked fromThe 9 pages that link to Plant growth regulator, each with the reason it gives.All 9Broader topic 1Related 6Narrower topic 2DefoliantNarrower topic: Defoliants are one functional group within this broader class of substances.JasmonateNarrower topic: Jasmonates are used experimentally and commercially to modify plant traits and stress responses.