Plant Science - Introduction
• A crop is ______
• Other related areas of study
-Agronomy - ______
-Horticulture - ______
-Forestry - ______, ______, wildlife and watershed management
- Weed science - deal with controlling and management of ______.
Major Uses of Plants as FOOD
Grains
– ______are a major source of human food.
• In temperate regions, ______is primary source.
• Warmer regions, ______is primary source.
• Other major grain crops in grass family: ______, ______, rye, ______, ______and grain sorghum.
Starchy Foods
• In addition to cereal grains, ______and other plant parts have served as a food staple for centuries. EXAMPLES:
• ______, ______, Cassava, ______, Banana (in tropical regions of the world)
Vegetables/Fruits
• ______, Snap bean, ______, ______, Lettuce, ______
• Fruits - ______
-Important Fruit Crops
• ______, ______, Mango, Papaya, ______, Lemon, Lime
-Popular fruit in temperate zones:
• ______, Pear, ______, Cherry, Plum, Apricot
-Small fruits
• ______, raspberry, ______, blackberry, and blueberry
Sugar Crops
• In spite of its lack of ______, ______and ______, sugar is a major ______, especially in developed countries.
• ______- grown in tropical and subtropical climates
• ______- grown in temperate climates
Oil Crops
• Because of the relationship between ______and ______, plant oil crops especially soybean production has skyrocketed in the last 50 years
• Major sources of oil crops are:
– ______, Sunflower, Peanut, Corn, Cottonseed, ______, Coconut, Safflower, Certain Palms
– Nut, Spice and Beverage Crops
-Other components of a human diet
- ______, Walnut, Pecan, ______, ______, Pepper, Allspice, Oregano
Beverages
• Coffee, Chocolate, Tea, Cola
Nonfood Uses of Plants
• ______- Plant fibers have been used since prehistoric times to make cloth.
• Major sources: ______
– Natural fibers have been replaced with ______.
– Nylon, rayon, polyester
Timber, Fuel and Pulp
• Forests provide us with timber for ______.
• ______has been a major concern in the past 20 years.
• Forests provide for ______such as hiking, camping, 4-wheeling, and hunting.
• Forests ______, which affect fishing and boating activities
Aesthetic Uses
• Aesthetic = ______
• Using plants for beauty dates back to the ______
• Today, we use ______, ______, ______.
Other Plant Products
• ______, Drugs, ______, Cosmetics, ______, Industrial chemicals