Xylem Sap composition:
xylem sap has a solute concentration less than 1% and the solvent is water the pH is slightly acidic. The different components are mineral salts ions, organic acids ,amino acids,amides,plant growth regulators such as Absicic acid, cytokinins.
Phloem Sap composition:
poems app constitutes 15 to 30% dissolved solutes and the solvent is water. The pH is neutral or slightly alkaline but never acidic. The different solutes are sucrose, Raffinose, Stachyose, Mannitol, Verbascose, Amino acids, Amides, plant growth regulators, vitamins, K ions.
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