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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 9, Issue:5, May, 2020

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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(5): 881-890
DOI: https://doi.org/10.20546/ijcmas.2020.905.097


Reproductive Behaviour of Brassica juncea as Exposed to Drought Stress at Different Days after Sowing in Jammu Region
Sapalika Dogra, Gurdev Chand* and B. K. Sinha
Division of Plant Physiology, FBSc, SKUAST- Jammu, 180009, India
*Corresponding author
Abstract:

The drought tolerance of Brassica juncea genotypes viz., Kranti RSPR-03, RSPR-01, Pusa Bold and NRCDR-2 was investigated after exposure to at various growth stages in a pot experiment. Water stress imposed at branch initiation, flower initiation and siliquae formation stages in the form of 45, 60 and 90 (DAS) days after sowing. Various physiological and reproductive behavior were recorded which revealed significant differences among the various Brassica juncea genotypes. The drought susceptibility index (DSI) for seed yield was recorded to characterize the relative tolerance of genotypes. Relative water content was reduced maximum under drought stress conditions. Reduction in seed yield was observed when water stress induced at flowering stage and it also affects siliquae development. It was noticed that reduction in seed weight was minimum when water stress induced before floweringi.e., at 60 days after sowing. Average yield was found greater in Kranti and least in Pusa Bold. The findings of the present research investigation recommended the growing of Kranti in the drought prone areas to obtain high economic yield even in adverse condition.


Keywords: drought stress, reproductive behavior, relative water content, pollen viability

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How to cite this article:

Sapalika Dogra, Gurdev Chand and Sinha, B. K. 2020. Reproductive Behaviour of Brassica juncea as Exposed to Drought Stress at Different Days after Sowing in Jammu Region.Int.J.Curr.Microbiol.App.Sci. 9(5): 881-890. doi: https://doi.org/10.20546/ijcmas.2020.905.097
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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