AQA biology~Using plant hormones in agriculture and horticulture
- Created by: Blackberry145
- Created on: 20-06-21 19:00
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- Uses of Plant Hormones
- auxins
- gardeners want to make more plants of the same.
- taking a cutting, the stem re-grows new roots to form a small root.
- rooting powder contain auxins. this powder increases the success rate and helps grwo a new plant.
- taking a cutting, the stem re-grows new roots to form a small root.
- weed killer
- auxin also sitmulates the growth, this extra auxin given can send the plant into uncontrolled growth killing them
- gardeners want to make more plants of the same.
- gibberellins
- used in the brewing industry
- ends seed dormancy, speeding up germination of barley seeds to make malt.
- promote flowering all year round
- used in pot plants such as pelargoniums.
- increase size
- seedless grapes would be very small, however commercial growers add gibberellins to replace natural hormones and they grow.
- used in the brewing industry
- ethene
- contols ripening of food
- growers harvest food not ripe as they can be transported chilled.
- stops them being damaged and wont over ripe
- unripe fruit is stored until needed.
- warm temperatures and ethene is added to atmosphere to rapidly ripen fruit to perfect stage for sale.
- growers harvest food not ripe as they can be transported chilled.
- contols ripening of food
- uses
- people have found ways to use these hormones to help grow plants.
- for the garden~ horticulture
- to provide food~ agriculture
- people have found ways to use these hormones to help grow plants.
- auxins
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