Cut or excised leaves remain green for long if induced to root or dipped in :
Correct answer: B. Cytokinins
- A. Gibberellins
- B. Cytokinins
- C. Auxins
- D. Ethylene
Explanation
b) : Cytokinin are plant growth hormones which are basic in nature. Cytokinins induce formation of new leaves chloroplasts in leaves, which inturn keeps the leaves green for a longer duration of time. Cytokinins applied to marketed vegetables can keep them fresh for several days. Shelf life of cut shoots and flowers is prolonged by employing the hormones.
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