Advertisements
Advertisements
प्रश्न
Describe physiological effects and applications of gaseous hormones in plants.
Describe physiological effects and applications of ethylene.
Advertisements
उत्तर
Ethylene is the gaseous hormone. Its applications and physiological effects are as follows:
- It promotes the ripening of fruits like bananas, apples and mangoes.
- It stimulates the initiation of lateral roots in plants and breaks the dormancy of bud and seed.
- It accelerates the abscission activity in leaves, flowers and fruits by forming of abscission layer.
- Ethylene inhibits the growth of lateral buds and causes apical dominance and retards flowering.
- It is associated with the enhancement of the process of senescence of plant organs.
- It inhibits flowering in most plants except pineapple.
- It causes epinasty (drooping) of leaves and flowers.
- It increases the activity of chlorophyllase enzyme causing degreening effect in banana and Citrus fruits.
संबंधित प्रश्न
To increase the sugar production in sugarcanes they are sprayed with ______
______ is a gaseous hormone involved in the abscission of organs and acceleration of fruit ripening.
Compound which is most widely used as a source of ethylene is ____________.
Synthesis of ethylene takes place in ______
Which hormone is produced mostly in all parts of a plant?
Which hormone is responsible for fruit ripening?
A farmer grows cucumber plants in his field. He wants to increase the number of female flowers in them. Which plant growth regulation can be applied to achieve this?
Ethylene is synthesised in ______.
Which of the following is the only gaseous plant growth regulator?
The hormone which promotes the ripening of fruits is ______.
