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Auxin: Structure, Types, Transport, and Physiological Functions

NOTE:- This is Online Live Class recording. First day Lecture revised fast and than continue .......... In this video, we explore Auxin, a key plant hormone essential for growth and development. You'll learn about its chemical structure, different types, how it's transported within plants, and its numerous physiological roles. Topics Covered: Introduction to Auxin: Understand what auxin is and why it's so vital to plant growth, from seedling development to fruit formation. Structure of Auxin: Dive into the chemical composition of auxin, focusing on Indole-3-acetic acid (IAA), the most common and natural form of auxin. Types of Auxins: Natural Auxins: IAA and its related compounds. Synthetic Auxins: Used in agriculture for plant growth regulation (e.g., 2,4-D). Mode of Transport: Polar Transport: Learn how auxin moves directionally from the shoot apex towards the roots via specialized proteins, affecting growth patterns. Lateral Transport: Understanding how auxin redistribution leads to phenomena like phototropism (growth towards light) and gravitropism (response to gravity). Physiological Functions: Cell Elongation: Auxin’s role in promoting cell growth. Apical Dominance: How auxin maintains the dominance of the main shoot over side branches. Root Development: Auxin’s influence on root growth and branching. Fruit Development: The role of auxin in fruit setting and maturation. Tropisms: How auxin controls plant responses to environmental stimuli like light and gravity. Leaf Senescence: Auxin’s impact on delaying the aging and dropping of leaves. Join us as we explore the fascinating world of auxin and how it orchestrates various aspects of plant life. Perfect for students, gardeners, and plant enthusiasts! Make sure to like, subscribe, and hit the notification bell for more plant biology content!