Commercial use of plant hormones

Cards (3)

What are 3 ways auxin is used commercially?
It kills weeds whilst leaving the grass and crops untouched, it grows cuttings with rooting powder and it grows cells in tissue culture
What is gibberellin used for?
It controls dormancy to make plants grow all year round, it induces flowering so an environment change isn't necessary and it helps grow larger fruit
What is ethene used for?
It speeds up the ripening of fruits to make transport easier - they can be picked unripe