Correct Answer: (D) 'T' budding
Rose plants are commercially propagated primarily through 'T' budding, a grafting technique where a bud from a desired rose variety is inserted into the rootstock of another rose plant. This method ensures the plant retains the desirable characteristics of the parent plant, such as flower color and fragrance, while benefiting from the rootstock's resistance to diseases and pests. Although roses can also be propagated by seeds, cuttings, or grafting, 'T' budding is the most commonly used commercial method for ensuring high-quality, uniform plants.
Roses are commonly propagated using ’T’ budding, a grafting technique that allows for the growth of a desired rose variety on a rootstock for strength and disease resistance.