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of reserve food and water. Many roots (fleshy taproots, tuberous roots) accumulate carbohydrates and water that support perennial growth or regrowth after dormancy. Examples include sweet potato and carrot.

Conduction. Roots conduct absorbed water, minerals and some synthesised compounds to the shoot via vascular tissues (xylem and phloem connections).

Synthesis of growth regulators. Roots synthesise and modulate plant hormones (e.g., cytokinins,

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