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Classification of Plants
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Six Methods of Classifying Plants
1.
life cycle
2.
season of growth
3.
stem type & form
4.
agronomic use
5.
edible part
6.
scientific name
3 Life Cycle Categories and Descriptions
1. annual
: one season (year)
2. biennial
: two seasons (years)
3. perennial
: repeat life indefinitely (regeneration)
Describe the Seasons of Growth
1. cool - season
: grow between 60-75 F
2. warm - season
: grow between 80-95 F
3. long - day
: flower as nights become shorter in spring
4. short - day
: flower as nights become longer in fall
Stem Types
1. herbs
: non-woody stems
2. shrubs
: multiple stems from ground level
3. trees
: one central woody trunk
Stem Forms
1. erect
: (row crops)
2. decumbant
: (peanuts)
3. creeping
: (strawberry)
4. climbing
: (kudzu)
Name and Define Agronomic Uses of Plants
1. Cereals
: grasses grown for edible seed
2. Pulses
: legumes grown for edible seed
3. Oil
: plants grown for their oil content
4. Fiber
: crop plants grown for use in fiber production
5. Forage
: plants grown for vegetable matter
6. Sugar Crops
: crops grown for making sugar
7. Green Manure
: crops grown to improve soil fertility
Name and Define Agronomic Use of Plants contd.
8. Cover Crops
: plants grown between crop cycles to reduce erosion
9. Vegetable
: grown for direct consumption of vegetative parts
10. Ornamentals
: plants grown for aesthetic value
Define Taxonomy
sceince of classifying and naming plants
Define Systematics
study of diversity among organsisms to establish evolutionary relationships
Who Developed the Binomial System of Nomenclature?
Carl Linnaeus
Describe the I.C.B.N.
International Code of Botanical Nomenclature, latin-based system
Plant Taxonomy Hierchy
1. Kingdom
2. Division
3. Class
4. Order
5. Family
6. Genus
7. Species
Define Variety
group of plants found in nature that are so different from original that it warrants further classification
Define Cultivar
a single plant or group of genetically identical plants that have been cultivated or bred byhumans to maintain specefic characteristics.
Corn
Zea mays L
Cotton
Gossypium hirsutum L
Soybeans
Glycine max L. Merr
Wheat
Triticum aestivum L
Rice
Oryza sativa L
Bermudagrass
Cynodon dactylon L
Tall Fescue
Lolium arundinaceum (shreb)
3 Critical Elements to Agricultural Sustainability
1. generation of adequate income
2. expanded availability of food and consumption through increased production and better marketing
3. conservation and enhancement of natural resources
Author
dcwalker865
ID
170661
Card Set
Classification of Plants
Description
classification plants
Updated
2012-10-08T13:20:28Z
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