2 Understanding the Importance What importance do plants play in everyday life?What roles do they play?What types of plants exist and for what purposes?
3 Understanding the Importance The roles that plants play in the everyday life of all living things are numerous.Plants are the base of the food chain for all living things.Plants are able to utilize inorganic elements and incorporate them into living tissues.Many organisms rely on plants for the energy to carry out life processes.
4 Understanding the Importance A few of the most important roles include:Edible plantsIndustrial usesMedicinal usesOilsAscetic views
5 Edible PlantsEdible plants—Whole plants or portions of plants, such as seeds and fruits, are used as a food source for many types of animals, including humans.About 88 percent of the world’s total caloric intake and about 80 percent of its protein intake comes from plant food sources.In addition to food, plants are also used in the production of beverages.
6 Industrial UsesIndustrial uses—There are several important products produced from plants, such as wood, fibers, oils, and rubber.Many of the fibers that are used in textile manufacturing come from cotton, flax, and hemp plants.The wood from timber production is used to make furniture, homes and many other products.Many chemicals such as acetic acid, methanol, and turpentine are obtained from trees.
7 Medicinal UsesThe importance that plants play in the development of medicines is becoming increasingly evident.Scientists continue to study many different types of plants to try and understand the various chemical compounds found within them.Many people believe that the key to curing many of our most deadly diseases such as cancer and AIDS may lie within some yet undiscovered plant compound.
8 OilsOils—Many plants store oil as a food reserved in the seeds and fruits of the plant.Most of these plant oils are used in the production of food for humans, but some are used in industry.The soybean is the most significant oil plant.
9 Major Plant Science Segments Plant science can be divided into three major segements:Field CropsHorticulture CropsForestry
10 Field CropsField crops include plants grown in large fields and are used for…OilFiberGrainSimilar productsField crops such as corn and wheat are often grown for their seed, but other parts may also be used.Agronomy – specialized area of plant science that deals with field crops.
11 Horticultural CropsHorticultural crops—Horticultural crops are grown for food, comfort, and beauty.There are two major areas of horticulture:Ornamental HorticultureFloricultureFoliageLandscape HorticultureInteriorscapingFood Crop ProductionOlericulturePomology
12 Horticultural CropsOrnamental horticulture is growing and using plants for their beauty.Floriculture is the production and use of plants for their flowers and foliage.Foliage is the stems and leaves of the plant.
13 Horticultural CropsLandscape horticulture is growing and using plants to make the outdoor environment more appealing. It includes shrubs, flowering plants, and lawn areas.Interiorscaping is using plants inside buildings to create an attractive indoor environment.
14 Horticultural Crops Food crop horticulture is growing plants for food. This can be divided into the two areas:Olericulture is the science of producing vegetable crops.Pomology is the science of producing fruits and nuts.
15 ForestryForestry—Forestry is the science of growing trees and producing wood products.Tree farms are cultured forests that have been carefully planned, established and maintained.A great deal of labor and management goes into assuring high quality timber.
16 Important types of plants & their uses Very few plants that play an important role in everyday life are harvested in the wild.Most of the important plants have been domesticated.Plant domestication is removing plants from their native wild environment and growing them under controlled conditions.
17 Important types of plants & their uses The important field and horticultural crops of North America can be divided into seven categories:Grain CropsSugar and Oil CropsFiber CropsVegetable, Fruit and Nut CropsForage CropsOrnamental and Turf CropsOther Crops
18 STOP! Read and complete the self evaluation section for chapter 1. Questions are multiple choice and begin on page 13.
19 Supplemental Questions Short essay:Explain the importance that plants play in everyday life. Give examples of plants and their uses. Use complete sentences and be specific!