Gibberellin was first extracted from

All $GAs$ are .............

Gibberellins promote the formation of $.......$ flowers on genetically $.......$ plants in $Cannabis$,whereas ethylene promotes the formation of $.......$ flowers on genetically $.......$ plants.

The 'Bakane' (foolish seedling) disease of rice seedlings was caused by:

During seed germination,its stored food is mobilized by

The rosette habit of cabbage can be changed by inducing stem elongation by the application of.