This hormone induces bolting in biennials, breakdown of starch in seeds, and increased fruit size 23:51 Biology This hormone induces bolting in biennials, breakdown of starch in seeds, and increased fruit sizea. Auxinb. Gibberellinsc. Ethylened. CytokininsAnswer: b. Gibberellins Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+