Vol. 12, Issue 9 (2023)

Author(s):
A Hari Chandana, P Vinaya Kumar Reddy, A Harsha Vardhan, S Narasimha Rao and V Sekhar

Abstract:
The present experiment was carried out to study the “Effect of seed age and storage conditions on germination, seedling growth and vigour of karonda (Carissa carandas L.)” during the year 2022-23. The study was conducted with two factors namely, storage conditions [room temperature (25-30 ℃) and Refrigerator (4-5 ℃)] and days after extraction (0, 15, 30, 45, 60, 75 and 90). And observations were recorded till 4 months at monthly intervals. The treatment combination T₈ (zero days after extraction + refrigerator storage) recorded minimum no. of days for initiation of germination (7.33 days), maximum germination percentage (89.99%) and growth parameters like highest plant height (3.49, 6.83, 10.84 and 14.98 cm), number of leaves per seedling (6.08, 15.81, 32.41 and 50.91), root length (7.89, 14.70, 20.87 and 30.86 cm) and vigour index I (1024.08, 1937.48, 2853.58 and 4125.14) at 30, 60, 90 and 120 DAS respectively compared to other treatments.