Course: Optical Properties of Plants

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Course title Optical Properties of Plants
Course code KBF/OPVR
Organizational form of instruction Lecture
Level of course Master
Year of study not specified
Semester Winter
Number of ECTS credits 4
Language of instruction Czech
Status of course Compulsory-optional, Optional
Form of instruction Face-to-face
Work placements This is not an internship
Recommended optional programme components None
  • Nauš Jan, prof. RNDr. CSc.
Course content
1) Architecture of plants and green leaf, radiation incident on plants, photosynthetically active radiation, types of leaves, morphology of grasses 2) Reflectance of light on a leaf, surface and internal reflection, interference phenomena and scatterings, blue shift of reflectance of leaves, relation between spectral reflectance of the leaf and amount of water inside the leaf 3) Effects of classical optics in the leaf, geometrical optics of a stem and epidermal cells, light-guided effects in plants 4) Gradients of light in the leaf, multilayered models, Kubelka-Munk theory, light curves of development of oxygen, extinction of fluorescence, mathematical form 5) Experimental measurement of gradient of light in the leaf, method of fibre optics, penetration of light into the leaves, function importance of palisade network, relation between fluorescence of chlorophyll and optical properties of the leaf 6) Absorption spectrum of the leaf, elongation of optical path and effect of sieve, authentic absorption spectra of leaves 7) Optical phenomena at the transverse cutting through the leave observed by a microscope 8) Re-absorbance of fluoresncence of chlorophyll in the leaf, experiemental manifestations, homogeneous and heterogeneous models, influence of energy transfer and orientation of chloroplast, secondary fluorescence 9) Blue and green fluorescence of the leaves (BGF), optical properties of chlorophyll 10) Influence of UV-radiation on plants 11) Light in the herbage 12) Leaf as an active optical element 13) Fractals in the structure of plants and herbage

Learning activities and teaching methods
  • Homework for Teaching - 20 hours per semester
  • Preparation for the Exam - 40 hours per semester
  • Attendace - 42 hours per semester
Learning outcomes
The course contains a description of theories, facts and experimental approaches of studies of plant optical properties, mainly those of leaves. Structure of plants, reflection and transmission of leaves, light gradients in leaves, the effects of geometric and wave optics, luminescence of chlorophyll and other compounds. Absorption spectrum and the sieve effect. The effect of UV radiation and its prevention. Leaf as an active optic element. Application of the fractal geometry.
Knowledge Define the main ideas and conceptions of the subject, describe the main approaches of the studied topics, recall the theoretical knowledge for solution of model problems.
Basic course of physics, preferably optics, basic knowledge of higher mathematics.

Assessment methods and criteria

Knowledge within the scope of the course topics (examination)
Recommended literature
  • 1. V.P.Rvačev : Metody optiky svetorassejivajuščich sred v fizike i biologii. Izd. BGU. 1978. 2. Z. Masinovskij, B. Věchet : Evoluční aspekty fotobiologie. Academie, Praha 1986. 3. Z. Šesták : Photosynthgesis during leaf development. Academia, Praha, 1985. 4. L. Pavlová : Fotomorfogeneze, Ukiverzita Karlova Praha, 1996 (skripta). 5. F. Seidlová, I. Šetlík : Fyziologie rostlin, Biol.fak. Jihočeské univerzity, 1998. 6. Časopisecká literatura, separáty publikací..

Study plans that include the course
Faculty Study plan (Version) Branch of study Category Recommended year of study Recommended semester
Faculty of Science Biophysics (2015) Physics courses 1 Winter
Faculty of Science Experimental Biology of Plants (1) Biology courses 2 Winter
Faculty of Science Molecular and Cell Biology (2015) Biology courses - Winter
Faculty of Science Molecular Biophysics (2015) Physics courses 1 Winter