Seed Gibberellins Evidence Role Embryo Food Stores Gib

seed needs to be germinated to start growing

when seed absorbs water, embryo activates and forms gibberellins (stimulate prod of enzymes breaking down food stores in seed (amylases and proteases)), the embryo plant uses food stores to form ATP to build materials to grow/break through seed coat, ABA acts as antagonist to gibberellins (inteferes with action, so both relative levels determine when germinates)

Evidence for role of gibberellins;