What is the role of ethylene in deep water rice plants?

What is the role of ethylene in deep water rice plants?
  1. Promotes petiole elongation
  2. Promotes internode elongation
  3. Promotes root hair formation
  4. Promotes root growth

Solution

Ethylene promotes rapid internode/petiole elongation in deep water rice plants, helping leaves and the upper parts of the shoot to remain above water.

Asked in: NCERT

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