12.4 Translocation of Solutes

Mineral salts are translocated through xylem along with the ascending stream of water, which is pulled up through the plant by transpirational pull.

Analysis of xylem sap shows the presence of mineral salts in it.

Use of radioisotopes of mineral elements also substantiate the view that they are transported through the xylem. You have already discussed the movement of water in xylem in Chapter 11.

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