INFLUENCE OF PROPAGATION CHAMBERS AND GROWTH REGULATORS ON ROOTING OF ROSEMARY (ROSMARINUS OFFICINALIS L.)

The experiment was conducted during the rabi season of 2023 at department of Plantation, Spices, Medicinal and Aromatic crops in College of Horticulture, Bagalkot.It was laid out in factorial Completely randomized design (FCRD) with two replications, comprising two levels of propagation chambers and nine levels of growth regulators, with a total of 18 treatment combinations.Among the propagation chambers the closed media sachet (P 2 ) showed the earliest root initiation (11.67 days) and maximum rooted cuttings (66.11 %), whereas shade house (P 1 ) showed the maximum number of roots per cutting (19.21), length of the longest root (11.50 cm), fresh (1.179 g) and dry (0.265 g) weight of roots, the earliest sprout initiation (20.50 days), the higher number of sprouts (9.39 and 14.98 at 45 and 60 DAP respectively), the maximum length of the longest sprout (5.83 and 10.75 cm at 45 and 60 DAP respectively) and the highest survival percentage (81.92%).Among the various growth regulators IBA @ 2000 ppm (G 2 ) showed the earliest root initiation (9.50 days), the maximum percentage of rooted cuttings (84.50 %), number of roots (23.00), length of the longest root (12.19 cm), fresh (1.641 g) and dry (0.362 g) weight of roots, earliest sprout initiation (18.25 days), the maximum number of sprouts (8.75 and 13.50 at 45 and 60 DAP respectively), length of the longest sprout (5.28 and 8.73 cm at 45 and 60 days respectively) and the highest survival percentage (80.19%).Among the different treatment combinations, T 11 (P 2 G 2 ) gave the highest percentage of rooted cuttings (88.00 %) and T 2 (P 1 G 2 ) recorded the highest number of roots (33.10), length of the longest root (17.00 cm), fresh (2.029 g) and dry (0.408 g) weight of roots, number of sprouts (12.20 and 17.30 at 45 and 60 days respectively), length of the longest sprout (7.48 and 12.83 cm at 45 and 60 DAP).