Effect of Pre-Harvest Organic Cytokinin Application on the Post-Harvest Physiology of Pepper ( Capsicum annuum L.)

Seyda Cavusoglu, Suat Sensoy, Arzu Karatas, Onur Tekin, Firat Islek, Nurettin Yilmaz, Selma Kipcak, Sezai Ercisli, Sona Skrovankova, Anna Adamkova and Jiri Mlcek
Additional contact information
Seyda Cavusoglu: Department of Horticulture, Faculty of Agriculture, Yuzuncu Yil University, Van 65080, Turkey
Suat Sensoy: Department of Horticulture, Faculty of Agriculture, Yuzuncu Yil University, Van 65080, Turkey
Arzu Karatas: Department of Horticulture, Faculty of Horticulture, Recep Tayyip Erdogan University, Pazar, Rize 53800, Turkey
Onur Tekin: Department of Horticulture, Faculty of Agriculture, Yuzuncu Yil University, Van 65080, Turkey
Firat Islek: Department of Plant and Production Technologies, Faculty of Applied Sciences, Mus Alparslan University, Mus 49250, Turkey
Nurettin Yilmaz: Institute of Natural and Applied Sciences, Yuzuncu Yil University, Van 65080, Turkey
Selma Kipcak: Department of Organic Agriculture, Baskale Vocational School, Yuzuncu Yil University, Baskale, Van 65140, Turkey
Sezai Ercisli: Department of Horticulture, Faculty of Agriculture, Ataturk University, Erzurum 25240, Turkey
Sona Skrovankova: Department of Food Analysis and Chemistry, Faculty of Technology, Tomas Bata University in Zlin, Vavreckova 275, CZ-76001 Zlin, Czech Republic
Anna Adamkova: Department of Food Analysis and Chemistry, Faculty of Technology, Tomas Bata University in Zlin, Vavreckova 275, CZ-76001 Zlin, Czech Republic
Jiri Mlcek: Department of Food Analysis and Chemistry, Faculty of Technology, Tomas Bata University in Zlin, Vavreckova 275, CZ-76001 Zlin, Czech Republic

Sustainability, 2021, vol. 13, issue 15, 1-20

Abstract: Peppers are cultivated in almost all provinces in Turkey, making up approximately 7% of the world’s production. In this study, the effects of pre-harvest cytokinin application on the postharvest physiology of pepper ( Capsicum annuum L.) fruits (cv. Akra and Melek F1) grown in ecological conditions in Turkey (Van, eastern Turkey) were investigated. During the growing period, organic cytokinin(nytrozine) at two concentrations (50 and 100 ppm doses) was applied by spraying. Peppers were harvested in green maturity and then stored at 12 °C for 28 days. Changes in color, respiration rate, exogenous ethylene amount, antioxidative enzyme analysis (SOD, CAT and APX), lipid peroxidation, total phenolic content (TP) and antioxidant activity (AA) were determined just after the harvest and then at the 7th, 14th, 24th and 28th days. L * values for both varieties and the control sample had fluctuations during storage, and they slightly decreased after 28 days, except for the end value of cv. Melek F1 with a 50 ppm addition. In terms of respiration rate values, the difference between applications was found to be statistically significant, except for the 14th and 24th days of storage, for cv. Akra F1; and the 0th and 28th days for cv. Melek F1, respectively. It was observed that cytokinin can delay aging in peppers of both cultivars stored for 28 days. As a result, as the used cytokinin has an organic origin, is not synthetic and does not have a negative effect on human health, it can be used safely and without a significant loss of quality characteristics for peppers. These applications have positive effects on in-package gas composition, antioxidative enzymes, lipid peroxidation, total phenolics and total antioxidant activity.

Keywords: pepper; storage; cytokinin; antioxidative enzyme; respiration; bioactive content (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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