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Effect of Benzyl adenine and Gibberellic acid on flowering and flower quality attributes of Gladiolus

An experiment was conducted to study the effect of benzyl adenine and gibberellic acid on flowering and flower quality attributes of gladiolus (Gladiolus hybridus L.) cv. summer sunshine in Department of Floriculture and Landscape Architecture, College of Horticulture, Mudigere (Under University of Agricultural and Horticultural Sciences, Shivamogga) during 2017-18. The experiment was consisted with sixteen different treatments viz., BA (100, 200 and 300 ppm), GA3 (150, 200 and 250 ppm) and their combinations along with the control. Each treatment was replicated thrice in Randomized Complete Block Design (RCBD). | Effect of Benzyl adenine and Gibberellic acid on flowering and flower quality attributes of Gladiolus Int.J.Curr.Microbiol.App.Sci 2018 7 8 944-950 International Journal of Current Microbiology and Applied Sciences ISSN 2319-7706 Volume 7 Number 08 2018 Journal homepage http www.ijcmas.com Original Research Article https doi.org 10.20546 ijcmas.2018.708.107 Effect of Benzyl Adenine and Gibberellic Acid on Flowering and Flower Quality Attributes of Gladiolus Priyanka S. Holkar1 ⃰ P. Hemanth Kumar2 S.Y. Chandrashekar1 Basavalingaiah3 and M. Ganapathi4 1 Department of FLA 4Department of Crop Physiology COH Mudigere Karnataka India 2 Department of FLA 3Department of NRM COH Hiriyur Karnataka India Corresponding author ABSTRACT An experiment was conducted to study the effect of benzyl adenine and gibberellic acid on flowering and flower quality attributes of gladiolus Gladiolus hybridus L. cv. summer sunshine in Department of Floriculture and Landscape Architecture College of Keywords Horticulture Mudigere Under University of Agricultural and Horticultural Sciences Shivamogga during 2017-18. The experiment was consisted with sixteen different Gladiolus BA GA3 treatments viz. BA 100 200 and 300 ppm GA3 150 200 and 250 ppm and their and flowering combinations along with the control. Each treatment was replicated thrice in Randomized parameters Complete Block Design RCBD . The results revealed that GA3 at 150 ppm recorded Article Info minimum days taken for spike initiation 66.27 first floret opening 73.73 days 50 per cent flowering 77.87 days maximum spike girth 12.37 mm spike weight 98.03 g Accepted floret length 10.73 cm and floret diameter 10.33 cm . However GA 3 at 250 ppm 08 July 2018 recorded maximum duration of flowering 24.40 days spike length 94.07 cm rachis Available Online 10 August 2018 length 60.70 cm florets per spike 18.80 and vase life 15.00 days . Whereas BA at 300 ppm exhibited the maximum number of days for spike initiation 85.83 first floret opening