Question

Explain how healthy plants are recovered from diseased plant.

Answer 1

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Answer 2

Answer:

Meristem culture is the best way to segregate healthy plants from the diseased.

Explanation:

• Auxins, a plant growth regulator, are abundant in meristems.
• The apical meristem area has a high division capacity and is abundantly supplied with auxin.
• These areas continuously divide their cells and do not allow viral growth, hence they are virus-free.
• As a result of their high auxin content, apical and lateral buds are employed as explants in tissue culture to produce virus-free plants.

Hence, auxins, which are contained in meristems and have antiviral effects, can be employed to recover healthy plants from ill ones.

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