Plant Hormones Flashcards
1
Q
Ethene
A
Causes fruits to ripen by stimulating the conversion of starch into sugar. Only plant hormone to exist as a gas.
2
Q
Killing weeds
A
Many weed killers contain auxins to kill weeds that are Broad leaved plants however they don’t affect narrow leaved plants like grass. The auxin makes the weeds grow too fast so the rapid uncontrolled growth kills the plant.
3
Q
Promoting root growth
A
Auxin
4
Q
Delaying ripening
A
Auxin
5
Q
Ripening fruit
A
Ethene
6
Q
Producing seedless fruit
A
Auxin
7
Q
Controlling dormancy
A
Gibberlins or auxins
8
Q
Gibberlins
A
Promotes growth, mainly stem elongation - can end dormancy and cause plants to bloom.
