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The coordination of growth and development is largely governed by plant hormones (phytohormones). Auxins are crucial for cell elongation and apical dominance, ensuring the main stem grows taller than lateral branches. Gibberellins promote stem elongation and trigger seed germination. Cytokinins work antagonistically to auxins, promoting cell division and delaying aging in leaves. Meanwhile, Abscisic Acid (ABA) acts as a "stress hormone," inhibiting growth during harsh conditions and closing stomata to conserve water. The interplay of these chemical messengers ensures the plant responds appropriately to internal signals and external stimuli.
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Plants are complex organisms that undergo a series of transformations from a single seed to a mature, reproductive individual. This process involves two main components: growth, which refers to an irreversible increase in size, and development, which encompasses the structural and functional changes an organism undergoes. plant growth and development ppt download top
When searching for the top PowerPoint presentations on this topic, look for decks that integrate high-resolution diagrams, step-by-step animations of the sigmoid curve, and clear summaries of hormonal pathways. Where to Look:
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While often used interchangeably, growth and development are distinct processes [1]. 1. Plant Growth Instead of a file, a warm, green light
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This file, titled "8. Plant growth and development and dormancy.pptx," offers a compact yet complete lesson. It introduces the classic "Sigmoid growth curve" and the phases of plant growth: lag, log, and stationary, providing a mathematical perspective on plant development.
The requirement of a prolonged period of cold temperature to induce or accelerate the flowering process. This ensures that plants do not flower prematurely during a brief winter thaw. The coordination of growth and development is largely
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