Homeostasis - uses of plant hormones Flashcards
1
Q
what 2 cultures are auxin, giberellins and ethene used in?
A
agriculture (growing food crops) and horticulture (growing plants for gardens)
2
Q
what are the 3 main uses of auxin?
A
- used as weed killers e.g in gardens
- rooting powders
- promoting growth in tissue culture
3
Q
what are the main uses of gibberellins?
A
- end seed dormancy (force seed to germinate earlier than it would)
- can encourage plants to flower
- make fruit grow larger
4
Q
what are the main uses of chemical ethene?
A
- used a lot in food industry. eg fruits such as bananas are usually harvested before they are ripe then transported long distances and stored before needed. ethene used to trigger bananas to ripen before sold in the uk.