CROP BOTANY DEPARTMENT

 

The Department offers graduate programs leading to MS and PhD Degree.

The Department of Crop Botany has major research programs on: various physiological processes under normal and stressful conditions, plant nutrition, ecophysiology of different crops, hormonal regulation of crop growth and development, embryological aspects of fruit development and biochemical and nutritional aspects of fruits and vegetables.

Faculty: Dr. Jalal Uddin Ahmed, Professor and Head;  Dr.  Md.  Abdul  Baset  Mia, Professor,  Totan Kumar Ghosh, Associate Professor, Mohammed Mohi-Ud-Din, Associate Professor, Mr. Haider Iqbal Khan, Assistant Professor and Mr. Zubaer Al-Meraj, Lecturer.

Adjunct Faculty: Dr. Jiban Krisna Biswas, CSO & Head, Plant Physiology Division, BRRI, Dr. M. Shajahan Kabir, PSO (Retired),   Post   Harvest   Tec.   Division, BARI

Research   Supervisor:   Dr.   Zeba   Islam Seraj, Professor, Biochemistry, DU; Jiban Krishna Biswas, PSO, PLP, BRRI; Dr. Md. Mosleh Uddeen, Associate Professor, RU.

COURSES

CBT 503 Plant Physiology I (3 cr.):   

Water relation of cell and whole plant; Light absorbing plastids, Pigments and pigment system and their functions, Photosynthetic carbon reduction pathways and environmental regulations of the pathways; Ecological significance of carbon reduction pathways; Translocation of assimilates; Glycolysis and anaerobic respiration, Decarboxylation of carbon compounds and oxidation of nucleotides; Carbon economy and productivity; Quantitative analysis of Growth and various growth movement.

 CBT 505 Plant Anatomy (3 cr.):

Structure and development of cell wall and meristem and epidermis; formation of complex tissue, vascular cambium and their organization; vascular transition between root and stem, Anatomy of root, leaf and branches; anatomy of floral parts of cereals, pulses and oilseed crops.

 CBT 507 Plant Ecology I (3 cr):

Ecosystems and community dynamics: Concept, composition, classification, structure and functioning of natural and cultivated ecosystems; Marine, estuarine and terrestrial eco-systems of the world with special reference to Bangladesh; Community diversity-analysis, species diversity, elements contributing to diversity; Formation of vegetation and succession: Process and factors controlling the formation of natural and ranged vegetation. Successional processes; Natural selection and population biology: Acclimatization and naturalization, forces of selection, fitness, adaptation and productivity; Plant competition: inter- and intra-specific competition; Phytogeography: Principles and factors governing the distribution of plants; Plant conservation and management; Causes of depletion of forest in Bangladesh with their ecological impacts and possible remedies; Environ-mental pollution: Different types of pollution, causes, effects on environment and vegetation and remedies with special reference to plant productivity; Greenhouse effects: Concept, causes, effects and remedies

 

CBT 510 Medicinal plants (3 cr):

Introduction and importance of medicinal plants, taxonomy of important medicinal plants, taxonomy of important medicinal plants, habit and external morphology of important medicinal plants, plant parts used as medicine and their chemical composition with therapeutics, identification of common medicinal plants, collection of medicinal plants parts and practical.

 CBT 516 Plant Embryology (3 cr):

Gametophytic generation of angiosperm; development of male and female gametes, fertilization and formation of fruits, seeds and embryo; factors affecting embryo abnormalities and degeneration; problems associated with inter specific hybridization in relation to development and ways to circumvent them; apomixis – a general outline; and polyembryony – its cytological basis and implication, embryology and Taxonomy and experimental embryology.

 CBT 521 Taxonomy of Crop Plants (3 cr.):

Historical background; plant nomenclature; evolution and plant biosystematics; and identification of vascular plants and chemotaxonomy. This course includes field trips and lab.

 CBT 522 Economic Botany (3 cr):

Importance of plants and plant products; Economically important bacteria, algae, lichens, yeast, bryophytes and pteridophytes; Economically important gymnosperms and their products; Economically important angio-sperms- industrial, medicinal, flavoring, beverages plants and their products.

 CBT 531 Plant Nutrition I (3 cr):

Sources, functions and uptake mechanism; nutrient availability: soil factor affecting nutrient availability and mineral cycles; nutrient deficiency symptoms

CBT 535 Crop Botany Lab I (3 cr.):

Quantitative estimation of chlorophyll, β-carotene, ascorbic acid, carbohydrates e.g. reducing sugar, invert sugar, andb starch, proteins nucleic acids in plants; qualitative and quantitative estimation of individual organic acids by HPLC; pollen viability and growth of pollen tube ; anatomy of important crop plants and crop growth parameters.

 CBT 541 Plant Biochemistry I (3 cr.):

Enzymes – their roles in plant metabolism; biosynthesis of carbohydrate, proteins and lipids and their metabolism in plants; bioenergetics in plant – biological oxidation and reduction, electron transport processes.

 

CBT 550 Plant Growth Regulators (3 cr.):

Concept and classification of PGR and phytohormones biosynthesis, mechanism of action and transportation of IAA, GA, CK, ABA JA and ethylene in plants; application PGR in agriculture.

 

CBT 596 Reading and Conference (Credit to be arranged but not more than 3 cr.):

Special study assigned by the Major Professor on the recommendation of the Advisory Committee and/ or interest of the student.

 

CBT 597 Special Problems (Credit to be arranged but not more than 3 cr.):

Investigation of special problems in Crop Botany not related to a thesis problem

 

CBT 598 Seminar (1 cr.):

Discussion of assigned topic in the field of Crop Botany.

 

CBT 599 M.S. Thesis Research (Credit to be arranged but not less than 12 cr.):

Original thesis research

 

CBT 605 Plant Physiology II (3 cr.):

Cell water and plant water relations; Free energy of water movement inside a plant; Transport processes through membrane; Bioenergetics of light reactions; Pathways of carbon metabolism; Protein and lipid metabolism; Secondary metabolites; Canopy photosynthesis and crop productivity; Photosynthesis and respiration in relation to global climate change.

 

CBT 610 Stress Physiology (3 cr.):

Concept of stress, strain and stress resistance; Abiadic stresses affecting crop production; physiological basis of stress injuries; mechanisms of plant response to different stresses; ways to overcome stress conditions; Screening criteria against stresses and survival mechanism.

 

CBT 615 Plant Biochemistry II (3 cr.):

Composition and biosynthesis of cell wall materials; metabolism and inter-conversion of carbohydrates, proteins and fatty acids and, fats and vitamins.

 

CBT 620 Developmental Plant Biology (3 cr):

Growth and development: growth, differentiation and development in plants, degree of determination, factors affecting vegetative and reproductive growth; Plant photomorphogenesis: Action spectrum and role of phytochrome in plant morphogenesis; Molecular and photobiological characteristics of phytochrome; Mode of action of phytochrome in photomorphogenesis; Physiology of aging and senescence: physiology of leaf and flower aging, factors affecting aging and senescence, measurement and significance of abscission of reproductive structures in plants; Physiology of flowering : Flower induction and morphogenesis, factors modifying photo induction, nature and mechanism of thermoperiodism in plants.

 CBT 625 Plant Nutrition II (3 cr):

Involvement of carbon, hydrogen and oxygen in the metabolism o primary and secondary plant product; Assimilation of nitrogen and sulfur; Physiological and biological functions of the essential elements indicating their roles in biochemical events. Diagnosis of deficiency and toxicity of nutrient elements.

 CBT 630 Cell Physiology (3 cr):

Structural and chemical organization of plant cell; Plasma membrane and cell wall: structure and functions; Ultra structure and functions of cell organelles: Endoplasmic reticulum, Golgi apparatus; Lysosomes, Microbodies, Mitochondria, Plastids, Nucleus, Chromosomes and Ribosome’s.

 

CBT 636 Plant Ecology II (3 cr):

Light environment: Radiation balance, Quality and quantity of solar energy, Penetration of radiation and light absorption in crop canopies; Temperature relations of soils and plants: Soil heat flux and thermal properties of soil, Diurnal and seasonal pattern and profile of soil temperature, Temperature profile above natural surface, Sensible heat transfer in the atmosphere, Temperature pro-file in plant canopies; Water relations of plants and soils: Energy balance and water balance, Atmospheric humidity, Evaporation and Evapotranspiration, Ecology of dryland, wet-land and flooded ecosystems; Wind: Effects on crop growth, Atmospheric stability, Wind profiles over the growing crops, Wind breaks and shelter effects on crop production; Fire: Kinds, direct and indirect effects, ecological implications of fire on vegetation and crop production; Topography: Effects of altitude, latitude, slope and aspects on crop production.

 

CBT 675 Seed Physiology (3 cr):

Seed and seed development: physiology of flower induction, flower induction, flower initiation and seed formation; structural region and functions of embryo and storage tissues; physiological and biochemical pathways of seed reserves synthesis; source-sink interaction on seed development processes. Physiology of stored seeds: physiological and biochemical changes in

Stored seeds. Physiology of seed germination: embryo activation during imbibition; biochemistry of seed reserves breakdown and reserves mobilization during germination; physiology of seed dormancy and hormonal regulation in germination.

 

CBT 696 Reading and conference (Credit to be arranged but not more than 3 cr):

Special study assigned by the Major Professor on the recommendation of the Advisory Committee and/ or interest of the student.

CBT 697Special Problems (Credit to be arranged but not more than 3 cr):

Investigation of special problems in Crop Botany not related to a dissertation problems. The investigation may consist of original research and/ or literature survey.

 

CBT 698 Seminar (2 cr., not more than 1 cr. per term):

Discussion of assigned topics.

 

CBT 699 Dissertation Research (Credit to be arranged but not less than 30 cr):

Original dissertation research.

Students having CGA below 3.00 will not be allowed to enroll CBT 596 or CBT 597 until he/she raised the CGPA to 3.00.

 

 Course Offering:

 

MS/PhD level

 

Minimum Course and Research Requirement for MS Degree1
Major Courses Credit Minor Courses Credit
1a. Core 12 2a. Core 6
CBT  503 Plant Physiology I 3 AGR 501 Principles of Crop Production 3
CBT  505 Plant Anatomy 3 STT 510 Design of Experiment 3
CBT  507 Plant Ecology I 3
CBT  531 Plant Nutrition I 3
1b. Major Elective 6 2b. Minor Elective 6
CBT 510 Medicinal Plants 3 PLP 503 Plant Pathogenesis 3
CBT 516 Plant Embryology 3 AGR 505 Crop Physiology 3
CBT 521 Taxonomy of Crop Plants 3 AGR 601 Crop Ecology 3
CBT 522 Economic Botany 3 AFE 521 Environmental Pollution and Protection 3
CBT 535 Crop Botany Lab I 3 ENT 518 Integrated Pest Management 3
CBT 541 Plant Biochemistry I 3 SSC 538 Soil Fertility 3
CBT 550 Plant Growth Regulators 3 GPB 501 Cytogenetics 3
CBT 605 Plant Physiology II 3 GPB 510 Genetics 3
CBT 610 Stress Physiology 3 HRT 601 Tissue Culture 3
CBT 615 Plant Biochemistry II 3 CIT 515 Data Analysis by Microcomputer 3
CBT 620 Developmental Plant Biology 3 Other Courses 2
CBT 630 Cell Physiology 3
CBT 636 Plant Ecology II 3
 CBT 675 Seed Physiology 3
Seminar 1
CBT 598 Seminar 1
Thesis Research 12
CBT 599 Thesis Research Variable
1 Degree requirements may be changed on the recommendation of the Board of Studies and the Student’s Advisory Committee.

Approved by the Student’s Advisory Committee.

Minimum Course and Research Requirement for Ph.D. Degree1
Major Courses Credit Minor Courses Credit
1a. Core 18 2a. Core 6
CBT  531 Plant Nutrition I 3 GPB 510 Genetics 3
CBT  550 Plant Growth Regulation 3 STT 510 Design of Experiment 3
CBT  605 Plant Physiology II 3
CBT  620 Developmental  Plant Biology 3
CBT  630 Cell Physiology 3
CBT  636 Plant Ecology II 3
1b. Major Elective 12 2b. Minor Elective 9
CBT 503 Plant Physiology I 3 AGR 501 Principles Crop Production 3
CBT 505 Plant Anatomy 3 PLP 503 Plant Pathogenesis 3
CBT 507 Plant Ecology I 3 AGR 505 Crop Physiology 3
CBT 510 Medicinal Plants 3 AGR 580 Photosynthesis  & Crop Production 3
CBT 516 Plant Embryology 3 AGR 601 Crop Ecology 3
CBT 521 Taxonomy of Crop Plants 3 AFE 521 Environmental Pollution and Protection 3
CBT 522 Economic Botany 3 ENT 518 Integrated Pest Management 3
CBT 535 Crop Botany Lab I 3 SSC 514 Soil Plant Analysis 3
CBT 541 Plant Biochemistry I 3 SSC 538 Soil Fertility 3
CBT 610 Stress Physiology 3 GPB 501 Cytogenetics 3
CBT 615 Plant Biochemistry II 3 GPB 521 Plant Breeding 3
CBT 625 Plant Nutrition II 3 HRT 601 Tissue Culture 3
 CBT 675 Seed Physiology 3 STT 505 Regression  Analysis 3
Other Courses 2
Seminar 2
CBT 698 Seminar 2
Thesis Research 30
CBT 699 Thesis Research Variable
1 Degree requirements may be changed on the recommendation of the Board of Studies and the Student’s Advisory Committee.

Approved by the Student’s Advisory Committee.