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International Journal of Sustainable Agricultural Research

December 2020, Volume 7, 4, pp 316-324

Exogenous Application of Antioxidants on Leaf Chlorophyll, Yield Dynamics and Berry Quality of Sweet Pepper (Capsicum annuum L.)

Md. Saidur Rahman


Mahmoda Akter


Md. Shah Newaz Chowdhury


Md. Mofizur Rahman


Mostarak Hossain Munshi

Md. Shah Newaz Chowdhury 1 Md. Saidur Rahman 1 ,
Mahmoda Akter 3
Md. Mofizur Rahman 4
Mostarak Hossain Munshi 5

  1. Department of Agricultural Botany, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh. 1

  2. Department of Soil Science, Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh, Bangladesh. 3

  3. Department of Horticulture, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh. 4

  4. Department of Soil Science, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh. 5

Pages: 316-324

DOI: 10.18488/journal.70.2020.74.316.324

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Article History:

Received: 12 October, 2020
Revised: 02 November, 2020
Accepted: 26 November, 2020
Published: 10 December, 2020


An experiment was carried out to investigate the influences of seven levels of antioxidants on BARI Mistimorich-1 and BARI Mistimorich-2 varieties of sweet pepper at the Central Research Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh. Antioxidants were applied to sweet pepper varieties which had a significant effect on physiology, yield and quality of sweet pepper. Among those treatments, ascorbic acid (AA) at 200 ppm with salicylic acid (SA) at 200 ppm was more potential to enhance chlorophyll a (30%), chlorophyll b (39.39%), total chlorophyll (33.73%), number of flower plant-1 (17.63%), number of fruits plants-1 (56.73%), fruit yield plant-1 (43.61%), total soluble sugar (28.67%) and vitamin C (22.75%) compare to control. The variety of BARI Mistimorich-2 produces 4.55% higher fruit yield than BARI Mistimorich-1. Among those antioxidants, AA at 200 ppm with SA at 200 ppm demonstrate the best potentiality to solved flower and fruit dropping problems and ultimately lead to higher production of sweet pepper.
Contribution/ Originality
This study is one of very few studies which have investigated the sweet pepper responses to antioxidants in robi season and their role in mitigating the possible constrain during the production.


Capsicum, Antioxidants, Ascorbic acid, Salicylic acid, Chlorophyll, Vitamin C.


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The author sincerely acknowledges the financial grant offered by the Ministry of Science and Technology, Bangladesh in carrying out the research project.

Competing Interests:

The authors declare that they have no competing interests.


All authors contributed equally to the conception and design of the study.

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