Uses of Plant Hormones (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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3 reasons humans use plant hormones
3 reasons humans use plant hormones
Increase yield, desirable features, lower costs
Type of plants targeted by auxin weedkillers
Type of plants targeted by auxin weedkillers
Broad-leaved plants
How auxin kills weeds
How auxin kills weeds
Increased auxin causes cells to grow too rapidly, killing the weed
Use of auxin in rooting powder
Use of auxin in rooting powder
Helps cuttings grow roots very quickly
Purpose of rooting powder with auxin
Purpose of rooting powder with auxin
Clone plants with desirable features
Auxin's role in tissue culture
Auxin's role in tissue culture
Helps cells form roots and shoots
What ethene controls in plants
What ethene controls in plants
Ripening
Why fruit is picked unripe
Why fruit is picked unripe
Stays firm, gets less bruised and damaged during transport
How ethene is used to ripen fruit for sale
How ethene is used to ripen fruit for sale
Fruit exposed to ethene and warmer temperatures
Gibberellin use for seeds
Gibberellin use for seeds
Ends seed dormancy
Gibberellin use in brewing industry
Gibberellin use in brewing industry
Increases germination rate of barley seeds to make malt
Gibberellin effect on flowering
Gibberellin effect on flowering
Allows flowering in any conditions with bigger flowers
Natural source of gibberellins in fruit
Natural source of gibberellins in fruit
Seeds produce gibberellins
Why seedless fruit is generally smaller
Why seedless fruit is generally smaller
No seeds to produce gibberellins
How to increase seedless fruit size
How to increase seedless fruit size
Spray with gibberellins