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

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
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.2018.7(8): 3670-3681
DOI: https://doi.org/10.20546/ijcmas.2018.708.372


Ascorbate Peroxidase and Superoxide Dismutasegenes Alteration in Tomato (Solanum lycopersicum Mill) under Drought Stress Condition
Gyanendra Kumar Rai1*, Ojesvi Mahajan1, Sonalika Kotwal1, Muneeba Banoo2, Monika Singh3, Pradeep Kumar Rai4 and B.K. Sinha2
1School of Biotechnology, SKUAST-Jammu, J&K - 180009, India
2Division of Plant Physiology, SKUAST-Jammu, J&K - 180009, India
3G.L. Bajaj Institute of Technology and Management, Greater Noida, GB Nagar, UP - 201306, India
4ACHR, SKUAST-Jammu, Udheywala, Jammu J&K - 180002, India
*Corresponding author
Abstract:

Tomato (Solanum lycopersicum Mill), a major horticultural crop belongs to family Solanaceae, consumed all over the world. It is an undetached part of food due to its taste and nutritional value. It is good source of minerals, vitamin and antioxidant characteristics. Climate change produces so many natural hazards such as abiotic and biotic stress in the plant. Drought is a factor which affects morphological, physiological, biochemical and yield attributes of plants due to excess generation of toxic elements such as reactive oxygen species (ROS), create oxidative damage to the cellular organization. In this study under drought stress condition morphological and physiological traits are significantly decreased which compare to normal grown tomato. Maximum reduction was noted in Yield (60.00%), number of leaves (53.17%), number of fruit /cluster (37.77%) and fruit setting (32.95%) under drought stress at growth stage. Electrolyte leakage (21.20%) showed highest under drought stress condition. Maximum RWC (77.86%) and specific leaf area (6.43cm2g-1) were noted under control condition. Ascorbate Peroxidase (APX) and Superoxide Dismutase (SOD) gene expression was enhanced under drought stress condition as compare to control. Maximum APX transcript i.e. 2.464 and SOD transcript i.e., 2.988 were recorded in plant which drought stressed at growth stage. Minimum i.e. 1.320 and 1.97 was noted APX and SOD gene, respectively under well watered plant. The relationship between morphological and physiological traits and antioxidant gene expression profile was found to be a very significant indicator of the effects of drought stress in plants.


Keywords: Tomato, Drought,Ascorbate Peroxidase, Superoxide dismutase, RT-PCR
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How to cite this article:

Gyanendra Kumar Rai, Ojesvi Mahajan, Sonalika Kotwal, Muneeba Banoo, Monika Singh, Pradeep Kumar Rai and Sinha, B.K. 2018. Ascorbate Peroxidase and Superoxide Dismutasegenes Alteration in Tomato (Solanum lycopersicum Mill) under Drought Stress Condition.Int.J.Curr.Microbiol.App.Sci. 7(8): 3670-3681. doi: https://doi.org/10.20546/ijcmas.2018.708.372