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What is botany?. The scientific study of plants. What is a plant?. What distinguishes a plant from other forms of life?. Why is knowledge of plants important?. We are dependent on plants. Plants are producers. Genesis 1: 29-30.

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what is botany
What is botany?
  • The scientific study of plants
what is a plant
What is a plant?
  • What distinguishes a plant from other forms of life?
why is knowledge of plants important
Why is knowledge of plants important?
  • We are dependent on plants
genesis 1 29 30
Genesis 1: 29-30

Then God said, “I give you every seed-bearing plant on the face of the whole earth and every tree that has fruit with seed in it. They will be yours for food. And to all the beast of the earth and all the birds of the air and all the creatures that move on the ground—everything that has the breath of life in it—I give every green plant for food.” And it was so.

slide16
Coffee - $65B retail US sales (2001)
    • 25 million coffee producing family farms
    • Provides for non-intoxicating social interaction
spices
Spices
  • $2 billion retail sales (U.S., 1994)
  • U.S. – largest producer & consumer of spices
plants health
Plants & health
  • Natural compounds
    • Lycopene
    • Yohimbine
    • Medicines
      • taxol
saponins
Saponins
  • Ginseng
    • Stomach disorders
    • Nervous disorders
alkaloids
Alkaloids
  • Ephedrine

Ephedra – Mormon tea plant

alkaloids1
Alkaloids
  • Quinine (feverbark tree)
    • Anti-malarial
      • 2-3 million deaths per year
phenolics
Phenolics
  • Salicin
    • Aspirin precursor
essential oils
Essential oils
  • Menthol (Eucalyptus)
new antibiotics
New antibiotics
  • Oregon grape
    • Berberine & 5-methoxyhydnocarpin
u s wood consumption
U.S. wood consumption
  • Per capita consumption (1999) – 250 boardfeet
  • Lumber – 51 billion board feet (1999)
  • Industrial roundwood – 17 billion cubic feet (1999)
  • Wood imports – 19.9 billion boardfeet (1999) Canada (93% of imports)
paper
Paper
  • 10.3 million tons wood pulp (US, 2003)
plants as fuel
Plants as fuel

Europe – 21 million tons air-dried peat (1999)

horticultural peat
Horticultural peat
  • US, Canada, South Africa top producers

>100,000 HA

>800 companies

slide37
Coal
  • U.S. production (2004): 1.07 billion tons
  • U.S. consumption (2004): 1.09 billion tons

World coal stats

Source: http://www.eia.doe.gov/cneaf/coal/quarterly/qcr_sum.html

plants emotions
Plants & emotions
  • Floriculture - $77 billion worldwide retail value (2000)
  • U.S. – largest floral producer
conservation biology plant resources
Conservation biology & plant resources
  • How do we better maintain worldwide natural resources, in the face of increasing global demand and exponential human population growth?
in the next 50 years can we double our food supply
In the next 50 years, can we double our food supply?
  • Increase land used for agriculture?
  • Increase crop productivity?
  • Convert to vegetarian diet?
disease
Disease
  • Reduce crop yields 10-20% despite control efforts
insect pests reduce crop productivity
Insect pests reduce crop productivity
  • Reduce crop yields 15% despite control efforts
weeds
Weeds
  • Reduce crop yields 12% despite control efforts
drought increases stress
Drought increases stress
  • Black shank disease in tobacco
temperature stress
Temperature stress

How does temperature influence crop productivity?

  • Temperature tolerance
  • Enzymatic activity
  • Quality
plant biology is essential
Plant biology is essential
  • Crop research needed
    • Resistance to insects, disease
    • Tolerance to environmental variables
      • Drought, salt tolerance
    • Improved productivity
    • Improved nutritional qualities
plant biology is essential1
Plant biology is essential
  • Crop research needed
    • Resistance to insects, disease
    • Tolerance to environmental variables
      • Drought, salt tolerance
    • Improved productivity
    • Improved nutritional qualities