Original video: https://youtu.be/3mblOhwxerU Lecture on: 10 November 2025 This lecture, part of the Crop Physiology (AGR3301) course, provides a comprehensive overview of Plant Growth Regulators (PGRs), also known as Phytohormones. These are natural chemical messengers that control a plant's growth, development, and movement at minute concentrations. Keywords: Phytohormones, Plant Growth Regulators, Auxin, Gibberellin, Cytokinin, Abscisic Acid, Ethylene, Plant Hormones, Apic

Original video: https://youtu.be/v-xTdfeac20 Lecture on: 3 November 2025 This lecture, part of the Crop Physiology (AGR3301) course, provides a deep dive into the properties of water, the movement of water within the plant (transport), and the fundamental concept of Water Potential. Water Properties and Transport. We begin by reviewing the unique characteristics of water, focusing on its role in plant function: 1. Polarity and Bonding: Water's polarity leads to hydrogen bondi