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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
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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(9): 2377-2384
DOI: https://doi.org/10.20546/ijcmas.2019.809.275


Effect of Transplanting Dates and PGRs on Growth and Yield of Kharif Onion (Allium cepa L.) under Bihar Region
Neha Kumari Singh1*, R. B. Verma1, Vijay Kumar2 and Randhir Kumar3
Department of Horticulture (Vegetable and Floriculture), BAC, Bihar Agricultural University, Sabour, Bhagalpur, India-813210
*Corresponding author
Abstract:

An experiment was conducted at Vegetable Research farm, Bihar Agricultural University, Sabour, Bhagalpur, Bihar during2018 to explore the possibility of growing Kharif onion inBihar region for higher yield and economic return. A short day variety (Agrifound Dark Red) of Kharif onion was transplanted in three dates (21st July, 6th August and 22nd August) with seven PGRs concentrations (control (water spray), Ethephon 2000ppm,2500 and 3000ppm) and Cycocel (1500ppm2000and 2500ppm) in split- plot design with three replications. Observations were recorded on plant height and number of leaves per plant at 60 and 90 DAT, polar and equatorial diameter, average and marketable bulb yield. Economics of the various treatments was also calculated to study the most profitable treatment combinations. The experimental results revealed that the transplanting on22 August produced maximum plant height(63.01cm)and number of leaves (10.13) at 90 DAT, polar diameter(4.72cm), equatorial diameter(5.47cm), average bulb yield(86.49g) and marketable yield(321.63q/ha).Among PGRs, Cycocel 1500ppm resulted into higher equatorial diameter(5.37cm), average bulb weight (81.94g) and yield (281.34q/ha). So far as the economics is concerned the transplanting kharif onion on 22 August and spray of cycocel 1500ppm was found to be most economically viable as it produced the highest bulb yield and incurred maximum B: C ratio (2.69).


Keywords: Kharif onion, Cycocel, Ethephon, PGR (plant growth hormone), yield
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How to cite this article:

Neha Kumari Singh, R. B. Verma, Vijay Kumar and Randhir Kumar 2019. Effect of Transplanting Dates and PGRs on Growth and Yield of Kharif Onion (Allium cepa L.) under Bihar Region.Int.J.Curr.Microbiol.App.Sci. 8(9): 2377-2384. doi: https://doi.org/10.20546/ijcmas.2019.809.275