Auxin Producing Area of a Plant

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Auxins are a class of plant hormones that promote upward growth of stems while suppressing the growth of lateral stems. Auxins are produced at the buds, and the tips of roots and stems. They maintain apical dominance (in other words, they make sure the plant grows taller than it does wide). Other functions of auxins include differentiating phloem and xylem tissues, controlling tropistic responses to light, promoting the growth of cambium tissue, and controlling when fruits ripen.

 

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