Explain the effect on corn seedling height of increasing the application amount of gibberellin from 0.05 to 0.50 microgram

By increasing the amount of gibberellin applied to the corn plants makes the plants to develop taller. As the quantity of gibberellin is enlarged from 0.05 to 0.50 microgram, the average height of the corn plants increased from forty to seventy-five centimeters.