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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39 For more details click here
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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 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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Original Research Articles

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(1): 1620-1628
DOI: https://doi.org/10.20546/ijcmas.2020.901.178


Effect of Terminal Heat Stress on Variability in Physiological Traits of Indian Mustard (Brassica juncea L.) due to Late Sown Situation
Sanjay Kumar Tripathi*, Lallu, Shubham Kumar Srivastava,Vikas Yadav and Madhukar Singh
Department of Crop Physiology, Chandra Shekhar Azad University of Agriculture & Technology, Kanpur-208002 (U.P.) India
*Corresponding author
Abstract:

The investigation entitled “Effect of terminal heat stress on variability in physiological traits of Indian mustard (Brassica juncea L.) due to late sown situation” was conductedrabi season during 2017-18 and 2018-19 at Oil seed research Farm Kalyanpur of C. S. Azad University of Agriculture and Technology, Kanpur (U.P.) in randomized block design with three replications and twelve Indian mustard genotype. Physiological parameters i.e., Chlorophyll Content was recorded at anthesis and siliquae initiation stage; Chlorophyll Stability Index (CSI %), Net Photosynthesis Rate [(Pn) (µ mol/m-2/s-1)],Relative Water Content (RWC %)and Canopy Temperature Depression (CTD 0C) were estimated at pre-flowering and post-flowering stage.Study revealed that DRMRIJ16-3, RGN-403 and RH-1556 recorded higher CSI (0.53, 0.52 and 0.46), net photosynthesis rate (33.5, 33.0 and 32.6), Relative Water Content (60.8, 59.7 and 59.1) and canopy temperature depression (3.5, 3.7 and 3.5) at post-flowering stage, while higher chlorophyll content  was recorded (41.3, 40.6 and 39.2) at siliquae initiation stage. The study indicated that mustard genotypesDRMRIJ16-3, RGN-403 and RH-1556 had tolerance to high temperature stress with delayed sowing, as they maintained higher values of these physiological parameters.


Keywords: Chlorophyll Content, CSI, Net Photosynthesis Rate, CTD, RWC and Seed Yield
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How to cite this article:

Sanjay Kumar Tripathi, Lallu, Shubham Kumar Srivastava, Vikas Yadav and Madhukar Singh. 2020. Effect of terminal heat stress on variability in physiological traits of Indian mustard (Brassica juncea L.) due to late sown situation. Int.J.Curr.Microbiol.App.Sci. 9(1): 1620-1628. doi: https://doi.org/10.20546/ijcmas.2020.901.178