Question

ring of bark along with phloem is removed by cutting ground the stem of plant after 3 weeks the part of stem above the rings in observed to be Solan the swollen part contains mainly​

Answer 1

Answer:

Girdling is removal of bark in a ring at a certain height above ground as a girdle. The secondary phloem is removed as it is a part of bark and sugars cannot be transported to the plant parts located below the girdle. The lower plant parts consequently die. The upper parts of plant continue to receive water and mineral supply because they are conducted through xylem elements. The xylem is deeply lodged inside the stem and is not part of bark.

Explanation:

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