Which hypothetical hormone promotes flowering but has never been successfully isolated?
A) Florigen
B) Ubiquitin
C) Jasmonic acid
D) Brassinosteroids
E) Methyl salicylate

Question

Quizplus · Accepted Answer

Florigen is a hypothetical hormone proposed to promote flowering in plants, but it has never been successfully isolated or identified as a specific chemical entity.

Which Hypothetical Hormone Promotes Flowering but Has Never Been Successfully