LECTURE 1 PLANT CLASSIFICATION

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Slide 1 : LECTURE 1 PLANT CLASSIFICATION TYPES 1. Discipline Botany Agronomy Horticulture 2. Growth Habit Annual Biennial Perrennial Herbaceous Woody 3. Environmental Adaptation Cold Hardy Draught Tolerant 4. Combinations Agronomic Field Crops Cover Crops Forage Row Crops Turf Horticultural Olericulture Floriculture Pomology Silviculture
Slide 2 : CLASSIFICATION SYSTEMS 1. Artificial Theophrastes 370-285 BCE Families 2. Numerilcal Linneaus – 1737 Taxonomy 3. Natural August Eichler - 1875 Evolutionary Relationships
Slide 3 : Systematics Domain Kingdom Division Class Subclass Order Family Genus Species Subspecies
Slide 4 : Modern Classification Domains and Kingdoms file:///D:/Media/Animations/domains_kingdoms.html 3 Domains Bacteria (Eubacteria) Archea (Archaebacteria) Eukarya (Eukaryota)
Slide 5 : Fig. 18-3, p. 295 Common ancestor Eukarya Bacteria Archaea Animals Fungi Plants Protists
Slide 6 : Domains and Kingdoms Domains Bacteria Monera (Kingdom) Thallophyta (Division) Bacteria, Cyanobacteria Archea Thermophiles Eukarya Kingdoms (Eukarya) 1. Protista (‘Protists’) Algae, Protozoa, etc. 2. Fungi 3. Animalae 4. Plantae
Slide 7 : Eichler Classification Kingdom 1. Plantae 2. Animalae Division 1-1. Thallophyta 1-2. Bryophyta 1-3. Pteridophyta 1-4. Spermatophyta Class 1-4-1. Gymnospermae 1-4-2. Angiospermae Subclass 1-4-2-1. Monocotyledonae 1-4-2-2. Dicotyledonae
Slide 8 : Modern Classification Divisions http://www.ucmp.berkeley.edu/help/taxaform.html 4-1. Bryophyta – Mosses 4-2. Psilophyta - Wisk Ferns (Psilotum) 4-3. Lycophyta - Club Mosses 4-4. Sphenophyta - Horsetails 4-5. Pterophyta (Pteridophyta) - Ferns
Slide 9 : More Divisions 4. (Spermatophyta) 4-6. Pinophyta – Conifers (Gymnosperms) 4-7. Cycadophyta - Cycads 4-8. Ginkgophyta - Ginkgo biloba 4-9. Gnetophyta – Gnetum 4-10. Magnoliophyta – (Angiosperms) Class 4-10-1. Liliopsida – (Mocotyledons) 4-10-2. Magnoliopsida – (Dicotyledons)
Slide 10 : Subspecies Categories 1. Variety Botanical (natural) Variation Buxus microphylla Sieb.&Zucc. var. japonica Rehd.&Wils. koreana Nakai 2. Cultivar Man-made Variation Hordeum vulgare cv. Wintex or ’Wintex’
Slide 11 : Subspecies 3. Hybrids A. Interspecific – same genus Fragaria x ananassa Duch. (8n) F. virginiana (2n) x F. chiloensis (2n) x2 B. Intergeneric – different genera X Cupressocyparis leylandii Leyland Cypress Cupressus macrocarpa (Cypress) x Chamaecyparis nootkatensis ) Western Yellow Cedar Sterile
Slide 12 : Subspecies Groups Brassica oleracea L. (Capitata) cv. King Cole - Cabbage (Italica) - Broccholi (Gemifera) - Brussels Sprouts (Botrytis) - Cauliflower Brassica rapa – Turnip Brassica napus - Rudibaga
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