Tuberose is mainly propagated by – (RJ ARO Horti 2022)

✅Explanation:
Tuberose (Polianthes tuberosa) is primarily propagated through bulbs. These bulbs are underground storage organs that contain the plant's embryonic shoot and store nutrients, allowing the plant to regenerate and grow in the next season.

📌Other Options Explanations:
-Option A: Corms: Gladiolus and crocus are examples of plants propagated by corms.
-Option C: Rhizome: Ginger and turmeric are examples of plants propagated by rhizomes.
-Option D: Stem cutting: Stem cuttings involve taking a portion of the stem and encouraging it to develop roots, thus creating a new plant. Practiced mainly for propagating ornamental plants. Ex. Rose, Bougainvillea etc.