KULKARNI, BALAJI S.K., KEERTHISHANKARH. A, YATHINDRAA. P., MALLIKARJUN GOWDAH. B., RASHMIAMREEN TAJ2021-01-152021-01-152018-06UHS16PGM804https://krishikosh.egranth.ac.in/handle/1/5810160141An experiment entitled “Standardization of fertigation levels in jasminum sambac cv. Mysuru Mallige’’ was carried out during June 2017 to May 2018 in the farmer field, Doddamaragowdanahalli, near College of Horticulture, Mysuru. Experiment was laid out in Randomized Complete Block Design (RCBD) comprising of 9 treatments and replicated thrice. The significant variations were observed among different levels of fertigation for growth, flowering, quality and yield characters. Among the treatments, the treatment consisting of 100 per cent RDF through fertigation along with foliar spray of humic acid @ 0.5 per cent, chelated zinc and borax @0.75 g/ plant / year recorded the maximum plant height (80.43 cm), plant spread in (47.00 cm) North – South and (55.30 cm) East – West direction, number of branches (9.13), number of suckers (1.33), individual leaf area (28.50 cm2), chlorophyll content (57.45 SCMR value). The same treatment has recorded early bud initiation (203.33 days), first flowering (212.33 days), early 50 per cent flowering (253.33 days) and maximum duration of flowering (112.67 days).Similarly, the flower quality parameters viz., bud length (1.62 cm), bud diameter (3.13 cm), corolla length (1.16 cm), flower diameter (4.39 cm), with minimum physiological loss of weight (8.50 %), and extended shelf life up to 36.10 hours. The same treatment has also increases hundred bud weight (29.92 g), month wise flower yield, cumulative flower yield per plant (725.80 g), yield per hectare (3.23 t) and benefit cost ratio (2.46:1) was also maximum with same treatment.EnglishThesis