Question

What are the five main plant hormones?

Answer 1

Main plant hormones:

1. Plant hormones are modest amounts of chemicals found in plants.
2. Five main plant hormones are- auxins, cytokinin, gibberellins, abscisic acid, ethylene.
3. Auxins (indole) - stimulates cell growth and differentiation, particularly at plant tips.
4. Cytokinin (adenine) is a plant hormone that promotes cell division and lateral development.
5. Gibberellins (terpenes) - aids in the emergence of seeds and buds from dormancy.
6. Abscisic acid (carotenoids) - encourages seed and bud dormancy.
7. Fruit ripening is aided by ethylene (gas).