Describe the role of auxin and cytokinin in plant development.

Auxin and cytokinin are two pivotal plant hormones that regulate various physiological and developmental processes in plants. These phytohormones interact synergistically and antagonistically to influence plant growth, differentiation, and responses to environmental stimuli.

Role of Auxin in Plant Development  
Auxin, primarily represented by indole-3-acetic acid (IAA), is synthesized in young apical tissues, such as shoot tips and developing leaves. It is transported in a polar manner, contributing to its directional effects in plant development.  
1. Apical Dominance: Auxin maintains apical dominance by suppressing the growth of lateral buds. High concentrations of auxin produced in the shoot apex inhibit cytokinin-induced lateral bud growth, ensuring ___ ________ _______ __________ _____ _____ ___ __________.
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