SB6g: Uses Of Plant Hormones Keywords Flashcards
1
Q
Ethene
A
A gaseous plant hormone that is involved in the ripening of fruit.
2
Q
Gibberellins
A
A group of plant hormones that cause seeds to germinate and flowers and fruits to form.
3
Q
Photoperiodism
A
The response of an organism to the number of daylight hours in a day.
4
Q
Rooting powder
A
A powder containing plant hormones into which cuttings are dipped to speed up the growth of new roots.
5
Q
Selective weedkiller
A
A substance that kills a certain type of plant only, leaving others unaffected.