International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 9, Issue:7, July, 2020

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
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(7): 173-188

Criterion and Performance of Elite Bread Wheat Genotypes Pertaining to Physiological Traits under Abiotic Conditions
G. S. Mavi*, Harinderjeet Kaur, Parminder Kumar and V. S. Sohu
Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, India-141004
*Corresponding author

Due to increasing temperature drastic reduction in wheat yield was observed. In late sown condition plants face high temperature stress. In the present study the effect of late sown/stressed condition on yield and yield related attributes was investigated in comparison to timely sown/non-stressed condition at Punjab Agricultural University, Ludhiana. The experiment comprised of two sowing dates non-stressed/timely sown and stressed/late sown . Performance of twenty-five genotypes was evaluated under both sowing conditions. Results revealed that significant variation for number of productive tillers, Biomass/net plot, grain weight/net plot, thousand grain weight, grain weight and grain number per spike and yield was observed between non-stressed and stressed condition. The contents were higher in case of non-stressed condition. There was no influence of stressed condition on crop emergence. Genotypes DBW 14, PBW 820 and WH 1239 perform better under timely sown conditions. In late sown condition high temperature at reproductive stage is one of the major factor for yield loss. In stressed condition number of productive tillers decrease by 12.97%, grain weight by 22.32% and yield by 22.46%. Whereas, genotypes PBW 796 and PBW 821 perform better in stressed condition. Among all the genotypes PBW 821 gives superior results for yield and yield related parameters in stress condition.

Keywords: Heat stress, grain yield, NDVI, chlorophyll, canopy temperature

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How to cite this article:

Mavi. G. S., Harinderjeet Kaur, Parminder Kumar and Sohu. V. S. 2020. Criterion and Performance of Elite Bread Wheat Genotypes Pertaining to Physiological Traits under Abiotic Conditions.Int.J.Curr.Microbiol.App.Sci. 9(7): 173-188. doi:
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