DEPARTMENT OF CROP BOTANY
Undergraduate Courses
The department offers courses for undergraduate and postgraduate programs and it has major research programs on various physiological processes under normal and stressful conditions; plant nutrition, anatomical appraisal of crop plants under stress condition; physiology of different crops, hormonal regulation of crop growth and development; embryological aspects of fruit development and biochemical and nutritional aspects of fruits and vegetables.
Course Title : Plant Taxonomy & Economic Botany
Course Code : CBT 110
Course Credit : 2+1
A. THEORY (2.0 Cr. hr.)
Plant Taxonomy
Introduction: Taxonomy, Taxa, Botanical Nomenclature
External morphology: Root, stem, leaf, inflorescent- enhance, flower, seed and fruit.
External morphology of economically important families: Poaceae, Fabaceae, Cucurbitaceac, Tiliaceae, Brassicaceae, Asteraceae, Malvaceae, Arecaceae, Rutaceae, Apiaceae, Liliaceae, Convonvolaceae, Anacardiaceae, Moraceae etc.
Economic Botany
Introduction: Scope and classification of economic plants.
Economic importance of Plants and plant products: Beverage, paper, rubber, timber, oils and fats, sugar, spices and condiments yielding plants and medicinal plants(especial emphasis will be given on scientific names, family names, plant part(s)used, plant products and their economic importance).
B. PRACTICAL (1.0 Cr. hr.)
Study on roots, stems, leaves,flowers, inflorescence, fruits and seeds Family- Important families Assignment-Herbarium.
Course Title : Plant Anatomy and Embryology
Course Code : CBT 255
Course Credit : 2+1
A. THEORY (2.0 Cr. hr.)
Plant Anatomy:
Cell: Cell wall and membrane, cell organelles and their ultra-structures, meristem: classification and functions, tissue and tissue systems: Classification, structure and functions; primary and secondary structure of monocot and dicot root, stem and leaf; Secondary growth in root and stem; Vascular transition region; Anatomy of some important crop plants
Plant Embryology:
Introduction; Microsprangium, microsporogenesis, and microgametogenesis; megasporangimum, megasporogenesis, and megagametogenesis; fertilization, seed and fruit development; apomixis formation of embryo.
B. PRACTICAL (1.0 Cr. hr.)
Demonstration of microscope and techniques slide preparation; anatomy of roots, stems and leaves of some important monocot and dicot plants; study on pollen grain structure and development.
Course Title : Plant Physiology
Course Code : CBT 250
Course Credit : 3+1
A. THEORY (3.0 Cr. hr.)
Plant water relationship
Pathway and driving force of water movement from root to leaf; Mechanism of transpiration from the leaf, factors affecting transpiration process and guard cell movement.
Plant metabolism:
Organization of photosynthetic apparatus and pigment; Outline of biochemical phase CO2 reducing pathways of photosynthesis, and their significance; Outline of respiratory pathways (glycolysis and metabolism of glycolytic products), Interconversion and utilization of respiratory products.
Growth and growth regulators:
Concept of growth ; Outline of the steps involving in sampling, data gathering, computation, data analysis and interpretation; Outlines and classification of growth regulators, Principles and uses of plant growth regulators in crop production.
Seed development process:
Seed and seedling development; Dormancy; Physiology of germination.
Photoperiodism and vernalization :
Concept of photoperiodism and its impact in crop growth , phytochrome and flowering hormones; Concept of vernalization in flowering process and its importance in agriculture. Ageing and sensourd.
Stresses and resistance: Concept of stress and strain, Resistance through escape, Avoidance and tolerance mechanism. Various kinds of stresses and means and means of encounter them. Photomorphogenesis and phytochromes.
B. PRACTICAL(1.0 Cr. hr.)
Study on osmosis, diffusion, transpiration, ascent of sap, respiration, chlorophyll pigments estimation, growth measurement etc.
Course Title : Plant Ecology
Course Code : CBT 465
Course Credit : 3+1
A. THEORY (3.0 Cr. hr.)
Introduction:
Concept, history and scope of plant ecology
The environment:
Concept of environment, environmental or ecological factors; Climatic factors-light, temperature, water, wind etc and their effects on crop production; Physiographic factors; Biotic factors, interaction among biotic factors, principles of crop weed association; macro-and micro environment-concept, microclimatic manipulation and improvement of crop production.
Ecosystem and community:
Ecosystem: Concept, composition, classification and functioning of ecosystem; Community; Definition, composition and classifications, study to plant community structure.
Plant succession and Phytogeography:
Plant succession: Definition, succession, types and process of succession; Phytogeography: Principles governing plant distribution, plant conservation and preservation; causes of depletion of forest in Bangladesh and possible remedies, Plant diversification and biodiversity.
Population ecology:
Definition, characteristics and structure of plant population; interactions among populations, intra – and inter-specific competition
Environmental pollution:
Types, causes, effects and remedies with special reference to plant productivity; Greenhouse effects causes and remedies.
B. PRACTICAL (1.0 Cr. hr.)
Adaptation of plants in different habitats, Anatomy of hydrophytes, mesophytes and xerophytes, Anatomy of C3, C4, CAM and epiphytic plants, Field visits of different agro-ecological zones.