Question

A commercial flower grower could induce winter flowering of a long day plant by..

Answer 1

...deceiving the plant that it is ready to bloom by using select ingredients, time, and environment.

Answer 2

a. Spraying plant with gibberellin
b.exposing the plant to low temps
c.covering the plant in the late afternoon with an opaque cloth
d.exposing the plant to a low level of light in the middle of the night

Answer 3

Should be the second choice because vernalization needs to take place, which plants need to be exposed to winter like conditions before flowering.