Gardening Biology

Question 1

Taxol

Answer 1

cancer treatment from Pacific yew tree

Question 2

Seeds

Answer 2

desiccation tolerant and dormant, need to break dormancy, natural weathering

Question 3

Strategies to break dormancy

Answer 3

soak in water for 24 hours, nick or sandpaper the seed coat

Question 4

Native Chaparral Seeds

Answer 4

fire cue, heat, liquid smoke

Question 5

Saving Seeds

Answer 5

hand pollinate for known results, make sure seeds are completely mature, dry seeds to rot, keep in cool/dark conditions

Question 6

Vegetative Propagation

Answer 6

type of asexual reproduction, keep the same variety, lack of genetic diversity

Question 7

Auxin

Answer 7

rooting hormone, produced by the apical meristem, helps root growth, blocks cytokinins to the axillary buds to prevent growth

Question 8

Rootstocks

Answer 8

disease resistance, cold tolerance, height limitations

Question 9

Pruning

Answer 9

control the size and shape by manipulating hormones

Question 10

Cytokinins

Answer 10

produced by the roots, help bud growth, when the apical meristem is removed the axillary buds start to grow

Question 11

Forcing Crops

Answer 11

extra heat/light, photoperiodism, make crops sweeter/more tender, rhubarb, chicory, grows tall to look for light = thin cell walls = more tender