unit 8 plants plant cultivation- agriculture- – growing plants and raising animals for human use
TRANSCRIPT
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Unit 8 Plants
• Plant Cultivation-• Agriculture-– Growing plants and
raising animals for human use
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Food Crops
• Cereal-• Grasses that contain
grains• Ex. wheat, corn, rice,
oats, sorghum
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Food Crops
• Root Crops• Roots or underground
stems rich in carbohydrates
• Ex. beets, carrots, radishes, rutabagas, turnips
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Food Crops
• Legumes• Members of the pea
family, bear seeds in pods
• Return nitrogen from air to soil
• Ex. soybeans, alfalfa, clover, peanuts
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Food Crops
• Fruits, Vegetables, Nuts• Ex. apple, bean, pea,
asparagus, walnut
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Food Crops
• Spices, Herbs, Flavoring• Add variety & pleasure
by flavoring water, beverages, & food
• Ex. caffeine, sage, dill, vanilla, coconut, quinine
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Non Food Uses of Plants
• Medicine– Aspirin (pain) from white
willow– Taxol (cancer)- from Yew
• Clothing/Fabric Dyes– Cotton– Indigo (blue), onion
(yellow), peach (green)
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Non Food Uses of Plants
• Fuels– Fossil fuels- stored
photosynthetic energy from millions of years ago
– Wood- burning– Gasahol-
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Non Food Uses of Plants
• Other uses-• Ornamental plants• Landscaping• Building Materials• Lipstick• Hair dye• Rubber• Tourism
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Plant Ecology
• Interactions between plants and the environment
• Plant-Animal• Flowers & pollinators• Plant-Microbe• Bacteria “fixing”
nitrogen with legumes
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Plant Ecology
• Plant-Human• Protect and care for
plants that give us food, shelter, etc.
• Introduced plants• Dandelion, crabgrass
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Plant Ecology
• Weeds-• Undesirable plants that
crowd out crop plants or native plant species
• Water hyacinth• Dandelion• Crabgrass
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Harmful Plants
• Rash- – Poison Ivy, Poison Oak
• Ill/poison– Leaves, berries of some
house and garden plants
• Hay Fever– Pollen allergies