16.5 The commercial uses of plant hormones

Question 1

how can weedkiller be made using synthetic plant hormones

Answer 1

auxin can be applied more auxin absorbed by broad leafed weeds than narrow plants do to higher surface area this causes an unsustainable growth in weeds so they use up their energy stores and die out

Question 2

whats the commercial use of ethene

Answer 2

it ripens fruit by increasing the rate of respiration reactions the fruit is unripe when transporting as its easier then ripened during arrival, ethene causes fruit to fall

Question 3

how can auxins act as rooting powders

Answer 3

auxin stimulates growth of new roots when applied to cut shoot

Question 4

what plant hormone causes the production of seedless fruit

Answer 4

auxins

Question 5

what plant hormone prevents ripe fruit from aging and control tissue development during propagation

Answer 5

cytokinins

Question 6

what plant hormone delays ripening/ageing of fruit

Answer 6

gibberellins

Question 7

what plant hormone is used to prevent ageing in ripe fruit

Answer 7

cytokinins