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Original Research Articles Volume : 14, Issue : 6, June, 2025

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2025.14(6) : 154-165
DOI : https://doi.org/10.20546/ijcmas.2025.1406.014


Screening of Locally Adapted Chili (Capsicum annuum L.) Genotypes for Drought Tolerance at Seedling Stage

Bonam Blessy1, Bhukya Shivani1, Shaik Anjuma1, Yerra Laxshminarayana1, P. V. Sai Sree Harsha1Manjunath S. Patil2, Dowlathabad Muralidhara Rao3, Chadive Dhanunjaya Kumar1 and Banavath Jayanna Naik1*
1Department of Molecular Biology, Central University of Andhra Pradesh, Janthaluru, Ananthapuram, Andhra Pradesh - 515701, India
2Department of Horticulture, Zonal Agriculture Research Station, Solapur-413002, Mahatma Phule Krishi Vidyapeeth, Rahuri-413722, Maharashtra, India
3Department of Biotechnology, Sri Krishnadevaraya University, Ananthapur, Andhra Pradesh-515003, India
*Corresponding author
Abstract:

This study was conducted to explore the mechanisms of oxidative stress tolerance in chili (Capsicum annuum L.) under drought conditions by evaluating various morphological, physiological, and biochemical. A total of 8 genotypes were assessed for their genetic potential to tolerate drought stress at 45 days of age for 6 days. Later, 3 genotypes exhibited tolerance to drought stress; those 3 genotypes were selected to impose the drought for 12 days and investigate oxidative stress tolerance mechanisms. Drought stress resulted in a decrease in root & shoot length and dry weight parameters compared to control plants. Tolerant genotypes showed a smaller decrease in electrolyte leakage, photosynthetic pigment, relative water content, and specific leaf area characters than the control plants. Although drought plants exhibited a higher level of proline amino acid than the control plants. Eventually, Nepolean-5575 showed high tolerance, Lucky-2 exhibited moderate tolerance, and Tamanna exhibited less tolerance.


Keywords: Drought, stress, Chili, Electrolyte leakage, Proline, Seedlings


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Bonam Blessy, Bhukya Shivani, Shaik Anjuma, Yerra Laxshminarayana, P. V. Sai Sree Harsha, Manjunath S. Patil, Dowlathabad Muralidhara Rao, Chadive Dhanunjaya Kumar and Banavath Jayanna Naik. 2025. Screening of Locally Adapted Chili (Capsicum annuum L.) Genotypes for Drought Tolerance at Seedling Stage. Int.J.Curr.Microbiol.App.Sci. 14(6): 154-165 doi: https://doi.org/10.20546/ijcmas.2025.1406.014
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