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. Tofazzal Hossain, Professor; Dr. Jalal Uddin Ahmed, Professor and Head;  Dr.  Md.  Abdul  Baset  Mia, Professor,  Mr.  Mohammad  Atikur Rahman,  Assistant  Professor  (Study Leave), Totan Kumar Ghosh, Assistant Professor and Mr. Haider Iqbal Khan, Assistant Professor.

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 ecosystems 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; Environmental 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, 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 interspecific 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 angiosperms- 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, b- carotene, ascorbic acid, carbohydrates e.g. reducing sugar, invert sugar, and starch, proteins, enzymes, 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, nucleic acid   and their metabolism in plants; bioergetics 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 Thesis Research (Credit to be arranged but not less than 12 cr): Original thesis research.

metabolism;     Secondary metabolites; secondary plant product; Assimilation of
Canopy      photosynthesis and      crop nitrogen, phosphorus and sulfur;

 

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

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 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 Bio chemistry II (3 cr.): Composition and biosynthesis of cell wall materials;  metabolism  and  inter conversion of carbohydrates, proteins and fatty acids, 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 photo  morphogenesis:  Action  spectrum and role of phytochrome in plant morphogenesis; Molecular and photobiological characteristics of phytochrome; Mode of action of phytochrome in photo morphogenesis; Physiology of aging and senescence: physiology of leaf and flower aging, factors  affecting  aging  and  senescence,

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, Micro bodies, 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 profile in plant canopies; Water relations of plants and soils: Energy balance and water balance, Atmospheric humidity, Evapo-ration and Evapotranspiration, Ecology of dryland, wetland  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 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 697 Special 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 in the field of Crop Botany.

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

Note: Students having CGPA below 3.00 will not be allowed to enroll CBT 596, CBT 597, CBT 696 or CBT 697 until he/she raised the CGPA to 3.00.

Table 11. Minimum Course and Research Requirement for MS Degree1

  1. A. Major Courses Cr      Minor Courses                                           Cr

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. Elective   6 2b. 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 Cytogenetic 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 Courses2  
CBT 630 Cell Physiology 3      
CBT 636 Plant Ecology II 3      
CBT 675 Seed Physiology 3      
B. Seminar   1      

  CBT 598      Seminar                                    1                                         

  1. C. Thesis Research 12

CBT 599   Thesis Research                    Variable

Total                                                                                                                                           43

1Degree requirements may be changed on the recommendation of the Board of Studies and the

Advisory Committee

2Approved by the Advisory Committee

Table 12. Minimum Course and Research Requirement for PhD Degree1

  1. A. Major Courses  Credit   Minor Courses                                            Cr

1a. Core   18 2a. Core   6
CBT 531 Plant Nutrition I 3 GPB 510 Genetics 3
CBT 550 Plant Growth Regulators 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. Elective   12 2b. Elective   9
CBT 503 Plant Physiology I 3 AGR 501 Principles of 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 & 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 Cytogenetic 3
CBT 615 Plant Biochemistry II 3 GPB 521 Plant Breeding 3
CBT 625 Plant Nutrition II 3 HRT 601 Plant Tissue Culture 3
CBT 675 Seed Physiology 3 STT 505 Regression Analysis 3
        Other courses2  
B. Seminar   2      
CBT 698 Seminar 2      
  1. C. Dissertation Research  30

CBT 699     Dissertation Research        Variable

Total                                                                                                                                           77

1Degree requirements may be changed on the recommendation of the Board of Studies and the

Advisory Committee

2Approved by the Advisory