Original video: https://youtu.be/ceoylFBGQak
Delivered on: 10 April 2023
This video provides a comprehensive explanation of water potential, a crucial concept in plant physiology that governs water movement in and out of plant cells. 🌿 We'll explore the factors that influence water potential and its impact on plant growth and function.
What you'll learn:
Water Potential Defined: We'll define water potential and explain its significance in determining the direction of water movement.
Components of Water Potential: Understand the two main components:
Solute Potential: How dissolved solutes affect water potential.
Pressure Potential: The role of pressure (turgor pressure) in plant cells.
Water Potential Equation: We'll break down the water potential equation and demonstrate how to calculate water potential using examples.
Water Movement and Equilibrium: Learn how water moves across semi-permeable membranes from areas of higher water potential to lower water potential until equilibrium is reached.
Osmosis and Plant Cells: Explore the concepts of hypertonic, isotonic, and hypotonic solutions and their effects on plant cell turgidity.
Real-world Examples: We'll use practical examples and demonstrations to illustrate the principles of water potential, including the classic U-tube experiment.
Properties of Water Molecules:
Temperature and Physical State
Absorption and Dissipation of Heat
Melting and Vaporizing Water
Water as a Solvent
Cohesion and Adhesion
Nature of Cellular Water
Factors Affecting the Chemical Potential of Water
Water in the Soil
Entry of Water into Cells
Entry of Water into Roots
Watch Part 1 here: https://youtu.be/4TelKEhuuko
Keywords: Water potential, plant physiology, osmosis, turgor pressure, solute potential, pressure potential, water movement, equilibrium, hypertonic, isotonic, hypotonic, plant cells
Location:
Faculty of Agriculture, Universiti Putra Malaysia
Fakulti Pertanian, Universiti Putra Malaysia, 43000 Seri Kembangan, Selangor
XPMM+9J Seri Kembangan, Selangor
2.9845517506267742, 101.73803356324866
Attribution 4.0 International — CC BY 4.0 - Creative Commons
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