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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - 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.2017.6(11): 1099-1102
DOI: https://doi.org/10.20546/ijcmas.2017.611.129


Impact of High Temperature on Antioxidant Enzymes during Reproductive Phase in Rice Cultivars
Shabnam Khan*, Arti Guhey and V.B. Kuruwanshi
Department of Plant Physiology, Agricultural Biochemistry, Medicinal and Aromatic plants, Indira Gandhi Krishi Vishwavidyalaya, Raipur-492 012, Chhattisgarh, India
*Corresponding author
Abstract:

The inductive response of H2O2 scavenging enzymes was studied in leaves of twenty rice cultivars when the plants were exposed to elevated temperature 55 days after transplanting (DAT). High temperature stress preferentially enhance the activities of ascorbate peroxidase (APX) and non-specific oxidase (POX), catalase (CAT) activity decreased with continuous exposure to heat stress although it was higher than control upto 15 days of stress (DAS) treatment. Thereafter, plants under normal temperature showed increased catalase activity as they experienced the stressful conditions generated by shift towards reproductive stage, hence our results suggest that (a) peroxidase enzymes detoxify H2O2 under high temperature (b) catalase enzyme scavenges H2O2, when the plant shifts from vegetative to reproductive stage.


Keywords: Antioxidant enzymes, Rice, Ascorbate peroxidase, Catalase, Heat stress, Hydrogen peroxide.
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How to cite this article:

habnam Khan, Arti Guhey and Kuruwanshi, V.B. 2017. Impact of High Temperature on Antioxidant Enzymes during Reproductive Phase in Rice Cultivars.Int.J.Curr.Microbiol.App.Sci. 6(11): 1099-1102. doi: https://doi.org/10.20546/ijcmas.2017.611.129