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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? • 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
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.
Coffee - $65B retail US sales (2001) • 25 million coffee producing family farms • Provides for non-intoxicating social interaction
Spices • $2 billion retail sales (U.S., 1994) • U.S. – largest producer & consumer of spices
Plants & health • Natural compounds • Lycopene • Yohimbine • Medicines • taxol
Saponins • Ginseng • Stomach disorders • Nervous disorders
Alkaloids • Ephedrine Ephedra – Mormon tea plant
Alkaloids • Quinine (feverbark tree) • Anti-malarial • 2-3 million deaths per year
Phenolics • Salicin • Aspirin precursor
Essential oils • Menthol (Eucalyptus)
New antibiotics • Oregon grape • Berberine & 5-methoxyhydnocarpin
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 • 10.3 million tons wood pulp (US, 2003)
Plants as fuel Europe – 21 million tons air-dried peat (1999)
Horticultural peat • US, Canada, South Africa top producers >100,000 HA >800 companies
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 • Floriculture - $77 billion worldwide retail value (2000) • U.S. – largest floral producer
Velcro – George de Mestral 1907-1990
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? • Increase land used for agriculture? • Increase crop productivity? • Convert to vegetarian diet?