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International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2018, Volume : 6, Issue : 3
First page : (325) Last page : (331)
Article doi: : http://dx.doi.org/10.18782/2320-7051.6700

Influence of Auxins and Types of Cutting on Rooting Efficacy in Carnation (Dianthus caryophyllus L.)

Arvind Malik¹, Prince²*, Vivek Beniwal², and S. K. Sehrawat²

¹Ram Dhan Singh Seed Farm, ²Department of Horticulture, CCS Haryana Agricultural University, Hisar
*Corresponding Author E-mail: prince.hau@gmail.com
Received: 24.05.2018 | Revised: 19.06.2018 | Accepted: 27.06.2018  

 

 ABSTRACT

Effect of Plant Growth Regulators (IAA, IBA and NAA) on different types of cuttings was investigated to evaluate the efficacy of PGRs (Auxin) in promoting rooting in carnation (Dianthus caryophyllus L.). Auxin and types of cutting significantly affected rooting characters. Among the growth regulators treatments NAA were found to be more effective in promoting early rooting and inducing profuse rooting, root number, fresh and dry weight of roots and longer roots. Among the auxins used, earliest rooting (12.74 days), number of roots (10.48), root length (08.35 cm) and highest fresh and dry weight of roots (3.05g and 38.01 mg) respectively were obtained with NAA 500mg/l while highest rooting percentage (59.03 %) was found in IAA 500mg/l. Terminal cuttings was found better in rooting traits of carnation as compared to basal cuttings and recorded highest rooting percentage (75.46 %) and number of roots (11.34), longest roots (8.80 cm) and maximum fresh and dry weight of roots (3.35 g and 36.44 mg) respectively. Interaction effect of auxin and cutting type was found to the significant and number of roots (15.03), longest roots (11.47 cm), and highest fresh and dry weight of roots (4.53 g and 62.50 mg), respectively observed with NAA 500mg/l in terminal cuttings but rooting percentage was found maximum (92.50%) under IAA 500mg/l in terminal cuttings.

Key words: Carnation, IBA, IAA, NAA, Rooting efficacy.

Full Text : PDF; Journal doi : http://dx.doi.org/10.18782

Cite this article: Malik, A., Prince, Beniwal, V. and Sehrawat, S.K., Influence of Auxins and Types of Cutting on Rooting Efficacy in Carnation (Dianthus caryophyllus L), Int. J. Pure App. Biosci.6(3): 325-331 (2018). doi: http://dx.doi.org/10.18782/2320-7051.6700