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Learn Introductory Crop Physiology with Braimy – B.SC Agriculture
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The upward movement of water occurs through xylem tube.It can be shown by simple experiment. If a twig of plant is taken and kept in strength form in beaker containing colored solution. After sometime, it’ll be observed that the leaf of twig remains fresh. The twig is taken out and cut the transverse section of the stem. The TS of stem shows that the colored solution is filled only in xylem tube. It means that the upward movement of water occurs only through xylem tube.

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