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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(1): 1077-1089
DOI: https://doi.org/10.20546/ijcmas.2019.801.117


Floral Characters of Gladiolus as Influenced by Gamma Irradiation
Kiran Kumari1*, Santosh Kumar2 and Pragnyashree Mishra3
1Department of Floriculture & Landscape Architecture, College of Horticulture, S.D. Agricultural University, Jagudan, Distt. Mehsana, Gujarat-382 710, India
2Department of Horticulture (Floriculture and Landscaping), G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand-263 145, India
 3College of Horticulture, Odisha University of Agriculture & Technology,
Chiplima, Odisha, India
*Corresponding author
Abstract:

In the present investigation corms of eight gladiolus varieties (Yellow Golden, Nathan Red, White Friendship, Jester Gold, American Beauty, Red Majesty, Purple Flora and Algarve) were exposed to gamma rays treatments (0, 25, 40, 55 and 70 Gy; Source 60Co). These corms were planted under open field condition in Randomized Block Design (RBD) with factorial concept. The effect of gamma irradiation was studied on various floral characteristics of the treated plants. The findings indicated that gamma radiation treatments had significant detrimental effect on days to spike initiation, spike length, rachis length, number and size of florets, number of days to flowering and flower duration in all the varieties under study. Plants treated with higher doses (55 Gy and 70 Gy) showed deleterious effect of ionising radiations although at lowest dose (25 Gy) plants were not affected much. Plant height was reduced after irradiation as compared to untreated plants and was recorded minimum at highest doses. Radiation treatments at higher doses caused delay in spike initiation with decrease in spike length, number and size of florets in vM1. However, at lower doses diminishing effect of gamma irradiation was observed in vM2.


Keywords: Floral characters, Gladiolus, Gamma irradiation, Delay, Spike
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How to cite this article:

Kiran Kumari, Santosh Kumar and Pragnyashree Mishra. 2019. Floral Characters of Gladiolus as Influenced by Gamma Irradiation.Int.J.Curr.Microbiol.App.Sci. 8(1): 1077-1089. doi: https://doi.org/10.20546/ijcmas.2019.801.117