Plant Physiology

COURSE LAYOUT

Weeks Weekly Lecture Topics Assignments (No. & Type)*Week 1 : Water and life, Physical chemical properties of water, Water Potential and its components, Aquaporins 5 SubjectiveWeek 2 : Diffusion, osmosis, absorption (SPAC), Ascent of sap, Transpiration: Its importance and factors affecting transpiration, Mechanism of opening and closing of stomata 5 SubjectiveWeek 3 : Essential macronutrients and micronutrients: Role, deficiency and toxicity, Methods of study and use of nutrient solutions, Chelating agents, Biological membrane: Structure and Function, Chemical properties of soil (pH and soil nutrient status) 5 SubjectiveWeek 4 : Soil as a nutrient reservoir and transport of ions across cell membrane (passive absorption), Active absorption, Mineral nutrient uptake (mechanism), Phloem transport 5 SubjectiveWeek 5 : Phloem loading, Phloem unloading, Source–sink relationship, Auxins—history of discovery, biosysnthesis and mechanism of action 5 SubjectiveWeek 6 : Gibberellins—history of discovery, biosysnthesis and mechanism of action, Cytokinins—history of discovery, biosysnthesis and mechanism of action, Abscisic acid—history of discovery, biosysnthesis and mechanism of action, Ethylene – history of discovery, biosynthesis and role in plant growth and development 5 SubjectiveWeek 7 : Bioassay of Auxins, Cytokinins and Gibberellins, Bioassay of Abscisic acid and Ethylene, Brassinosteroids: discovery, chemical nature, bioassay and physiological roles, Jasmonic acid: discovery, chemical nature, bioassay and physiological roles 5 SubjectiveWeek 8 : Development of flower as a modified shoot, Physiology of flowering, Flowering and photoperiodism (Short-day, Long-day and Day-neutral plants), Seed dormancy (types) and seed germination 5 Subjective
Week 9 : Phytochromes—discovery, role and mechanism of action, Cryptochromes: discovery, chemical nature, role in photomorphogenesis, mode of action, Phototropins: discovery, chemical nature, role in photomorphogenesis, mode of action, Low energy responses (LER) and high irradiance responses (HIR) 5 SubjectiveWeek 10 : Growth: phases and kinetics, Flowering plants: annuals, biennials and perennials, Senescence—mechanism and role, Leaf abscission and senescence 5 SubjectiveWeek 11 : Plant movements, Leaf adaptations to water stress, Morphological and anatomical responses of plants to water, Physiological responses of plants to water stress 5 SubjectiveWeek 12 : Morphological, anatomical and physiological responses of plants to salinity, 5 Subjective