What practical applications are derived from the principal
functions of PLANT hormones? Discuss any one such
application. (4)
One practical application derived from the principal functions of plant hormones is the regulation of plant growth and development. One important hormone that plays a crucial role in this process is auxin.
Auxin is responsible for various functions, including promoting cell elongation, stimulating root growth, and influencing the direction of plant growth.
One practical application of auxin is in the propagation of plants through cutting. When a cutting is taken from a plant, it lacks the necessary hormones to stimulate root growth and establish itself as a new plant. However, by treating the cutting with auxin, the hormone stimulates root development, leading to successful propagation.
The application of auxin in plant propagation has numerous benefits. It allows for the production of new plants from desirable parent plants, ensuring the retention of specific traits or characteristics. Additionally, it allows for the rapid and efficient production of a large number of plants, which is particularly useful in horticulture and agriculture.
This application of auxin also reduces the time it takes for a new plant to establish itself, as the hormone promotes root development and faster root formation. This can be particularly crucial when trying to establish plants in challenging environmental conditions or when time is of the essence.
Overall, the practical application of auxin in plant propagation through cuttings is a significant contribution to plant breeding, horticulture, and agriculture. It allows for the production of a large number of plants with specific traits in a short period, ensuring efficient plant growth and development.