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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(2): 2007-2017
DOI: https://doi.org/10.20546/ijcmas.2020.902.229


Benzyl Adenine and Paclobutrazol Coupled with Shoot Decapitation Affects Growth and Flowering in Barleria cristata L. ‘Alba’
Hitesh Bhardwaj2*, Priyanka Thakur1, S. R. Dhiman2, Y. C. Gupta2, B. S. Dilta3, A. Thakur4 and Rahul Chandel2
1Regional Horticulture Research and Training Station, Dhaulakuan, Sirmour, India
2Department of Floriculture and Landscape Architecture
3Seed Production Department, UHF, Nauni, India
4Forest Research Institute, Dehradun (UK), India Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan 173230 HP, India
*Corresponding author
Abstract:

Barleria cristata L. ‘Alba’ is a white flowering perennial shrub used as a hedge and specimen plant in landscaping and has potential of being grown as a pot plant too. The study was conducted on this plant to ascertain the effect of benzyl adenine (BA), paclobutrazol with pinching (shoot decapitation) for making it a presentable pot plant. The experiment was laid out in a Completely Randomized Design (Factorial) using three levels of pinching i.e. no pinching(control), single pinching, double pinching with three levels of each BA (drench) and paclobutrazol (foliar spray) i.e. 0 ppm, 100 ppm and 200 ppm each. The results revealed that the double pinched plants coupled with the application of BA @ 200 ppm and paclobutrazol @ 200 ppm had recorded maximum values for number of side shoots per plant (25.00), number of leaves per plant (110.80), number of flower clusters per plant (28.87), number of flowers per cluster (11.07), number of flowers per plant opened at a time (28.93) and duration of flowering (36.33). However, maximum pot presentability score (88.00) was found in those plants which exhibited optimum plant height (28.39 cm) and plant spread (30.81 cm) along with other pot presentability attributes with the application of double pinching, paclobutrazol and BA @ 100 ppm each. In the light of the presentability attributes of the Barleria in the pots, treatment combination of double pinching, BA (100 ppm) and paclobutrazol (100 ppm) found to be most suitable.


Keywords: Barleria, Pinching, BAP, Paclobutrazol, Growth, Flowering, Pot presentability, Cytokinins, PGR
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How to cite this article:

Hitesh Bhardwaj, Priyanka Thakur, S. R. Dhiman, Y. C. Gupta, B. S. Dilta, A. Thakur and Rahul Chandel. 2020. Benzyl Adenine and Paclobutrazol Coupled with Shoot Decapitation Affects Growth and Flowering in Barleria cristata L. ‘Alba’.Int.J.Curr.Microbiol.App.Sci. 9(2): 2007-2017. doi: https://doi.org/10.20546/ijcmas.2020.902.229