8 Plant Hormones
PLANT HORMONES
Hominies found in plants are as follow:
1. Auxins 2. Gibberellins 3. Cytokinins4. Abscisic Acid or ABA 5. Ethylene 6. Florigens and 7. Traumatic.
1. Auxins : Its formation takes place in the apex part of the plants : It was discovers by Darwin in the year 1880: It destroys the straws and thereby saves the crops from falling.
2. Gibberellins: It was discovered by Kurosava a Japanese Scientist in the year 1926: It increases the activity of cambium in the wooden plant: It prevents the separation of the plant: It turns the dwarf plants in to long plants and helps in their flowering
3. cytokines : It was discovered in the year 1955 but it was named by Lethem: It helps in breaking the dormancy of seed :
It helps in making RNA and proteins: It naturally works in co- ordination with Auxins: It helps in cell division and development in the presence of auxins.
4. A abscisic Acid or ABA : It was infinitivally discovered by cranes and abdicate and later on by waring : It plays the main role in separation of leaves It keeps the seeds and bud in dormant condition.
5. Ethylene : It is only hormone found in carouse from: It motivates the spearing of leaves, flowers and fruits: It helps in the ripening of fruits.
6. Florigens : It is formed in leaves but helps in blooming of the flowers and therefore, It is also called flowering hormones.
7. Traumatic: This is aye of dicarboxylic acid: it is formed i injured cells by which he injurie of plants is healed.