Author(s):

MS Kadam, KV Malshe, BR Salvi and SS Chavan

Abstract: The experiment was carried out at College of Horticulture, Dapoli, Dist. Ratnagiri during Rabi season of the year 2019-20 to assess the influence of plant growth regulators on yield, subsequent economics and vase life in Gaillardia cv. Local double’. The experiment was laid out in Randomized Block Design (RBD) with three replications with nine treatments of plant growth regulator viz; T₁- NAA @ 100 ppm, T₂- NAA @ 200 ppm, T₃- GA3 @ 100 ppm, T₄- GA3 @ 200 ppm, T₅- CCC @ 1500 ppm, T₆- CCC @ 3000 ppm, T₇- PBZ @ 250 ppm, T₈- PBZ @ 500 ppm and T₉- Control. The highest yield of flowers (5.14 kg per plot and 10.57 t per ha) and highest benefit-cost ratio (2.34) was recorded in the application of GA3 100 ppm (T₃) treatment. The significantly maximum vase life was observed in the treatment T₅ (CCC @ 1500 ppm) (7.33 days) and which was at par with the treatment T₆ (CCC @ 3000 ppm) i.e 7.00 days and T₇ (PBZ @ 250 ppm) i.e. 6.33 days.

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