Basic Concepts in Plant Science (Intro of Botany) by Dr. M.R.Bhise
MahendraBhise2
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23 slides
Mar 26, 2020
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About This Presentation
The basic concepts in plant science, scope, diversity & some records of plants are discuss in presentation. This concepts should be know before learning the Plant Science or Botany.
Size: 4.29 MB
Language: en
Added: Mar 26, 2020
Slides: 23 pages
Slide Content
INTRODUCTION TO BOTANY By Prof. Dr. Mahendra R. Bhise , (M.Sc., Ph.D.) Assistant Professor, Dept. of Botany, Late Ku. Durga K. Banmeru Science College, Loni Road, Lonar . Dist. Buldhana . 443302 Email: [email protected] By Dr. M.R. Bhise
Origin of Botany Father of Botany : Theophrastus (371 BC -287 BC) The word ‘BOTANY’ derived from Greek noun ‘ botane ’ means herb. BOTANY: it is the branch of BIOLOGY deals with the study of plants with various aspects. All things can defined by their structure and function By Dr. M.R. Bhise
Five Kingdome System For Classification of Living Organisms By Dr. M.R. Bhise
Algae Bryophytes Pteridophytes Gymnosperms Angiosperms Cyanobacteria Evolution Of Plants By Dr. M.R. Bhise
By Dr. M.R. Bhise
Characters of Plants Autotrophic ( synthesized their own food by Photosynthesis ) Alternation of Generation ( Gametophytic & Sporophytic ) Reproduce by Vegetative, Asexual & Sexual method Consume atmospheric CO 2 & release O 2 Recycled the Elements Maintain Water cycle Serve a Food Resource for Heterotrophic group By Dr. M.R. Bhise
Importance of Plants Fulfill the basic needs (Food, Cloths & Shelter) of Human life Produce Oxygen (O 2 ) Consume Carbon Dioxide (CO 2 ) Maintained Climate Cool Provide food source to Herbivores Regulate the Nutrient Cycle, Water Cycle Serve as a Drug or Medicine Increase Beauty of Nature Ornamental Purpose Provide Shade Wood, Fuel, Furniture, Fossil Fuel By Dr. M.R. Bhise
Diversity of Plants Based on Life Duration Ephimerals Seasonal Annual Bianual Perenial Based on Habit or body appearance Herb Climber Twinner Shrub Tree By Dr. M.R. Bhise
Natural Classification of Plants Cryptogames Algae (Fritsch & Smith) Fungi (Ainsworth) Bryophytes (Mosses) (G. Smith ) Pteridopytes (Ferns) (G. M. Smith, ) Phanerogames Gymnopserms (D. D. Pant, ) Angiosperms ( Benthum & Hooker, ) By Dr. M.R. Bhise
Habitats of Plants Aquatic (Water loving Plants) Hydrophytes Halophytes Terrestrial (Land Plants) Mesophytes Xerophytes By Dr. M.R. Bhise
Habit of the Plants Herb: Climber: Twinner : Shrub: Tree By Dr. M.R. Bhise
Plant Parts Root: Tap & Adventitious/ Fibrous Roots Stem: Branched/ Unbranched Leaves: Simple/ Compound Inflorescence: Racemose / Cymose Flower: Calyx, Corolla, Androecium & Gynoecium By Dr. M.R. Bhise
Reproduction in Plants Ty pes Vegetative Asexual Sexual Mechanism Gamete Formation Pollination Fertilization Fruit Formation Seed Dispersal Mechanism By Dr. M.R. Bhise
Special Plants Insectivorous Plants Epiphytic Plants Ephemerals Parasitic Plants Obligate Parasitic Plants Nocturnal Plants By Dr. M.R. Bhise
Important Records of Plants Wolffia : Smallest flowering plants on Earth, found in ponds Eucalyptus regnans : tallest flowering plant species (99.6 m (327 ft) in Southern Tasmania) Victoria amazonica : largest leaves By Dr. M.R. Bhise
Cycad ( Lepidozamia hopei ): Largest Gymnosperms (49 ft height) Cyathea brownii : Tallest Pteridophyte (66 ft height) Schistochila appendiculata : Largest Bryophytes (3.6 ft long) Rafflesia arnoldii : largest Flower By Dr. M.R. Bhise