Postharvest treatment of navel oranges with fluroxypyr, 2-methyl-4-chlorophenoxyacetic acids, and 2,4-dichlorophenoxyacetic maintains physiological quality during ambient storage

Authors

  • Nasiru Alhassan Department of Agricultural Engineering, Dr. Hilla Limann Technical University, Wa, Upper West Region, Ghana
  • Umar Abdullahi Isah Department of Chemical Engineering, University of Maiduguri, Borno State, Nigeria
  • Adams Abdulai Department of Economics, SD Dombo University of Business and Integrated Development Studies, Wa, Upper West Region, Ghana
  • Tanko Mohammed School of Economics, University for Development Studies, Tamale, Northern Region, Ghana

DOI:

https://doi.org/10.25081/jaa.2024.v10.8901

Keywords:

Auxins treatment, Calyx changes, Citrus fruit, Quality, Senescence, Storage

Abstract

Two batches of Green mature Navel oranges with calyxes attached were obtained from a farmer from Juaben Municipality in the Ashanti region of Ghana and were dipped for 2 minutes with fluroxypyr, and 2-methyl-4-chlorophenoxyacetic acid (MCPA), were assessed against the commercial 2,4-D at 0.1 and 0.2 mmol L-1 stored under ambient conditions (24±2 °C and 55-60% RH) for 4 weeks. The results showed that pre-storage dipping with fluroxypyr was the most effective in suppressing endogenous ethylene production and respiration rate, reduced calyx changes, and fruit rot, and retained fruit sensory attributes compared with MCPA 2,4-D, or untreated fruit at the end of storage life of four weeks. The effect of 2,4-D and MCPA on fruit rot, calyx browning, abscission, and fruit internal quality, was similar; which was not significantly different during storage. Dipping fruit with 0.1 mmol L-1 fluroxypyr was more effective in maintaining the quality of oranges and could be a substitute for current commercial 2,4-D.

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References

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Published

12-11-2024

How to Cite

Alhassan, N., Isah, U. A., Abdulai, A., & Mohammed, T. (2024). Postharvest treatment of navel oranges with fluroxypyr, 2-methyl-4-chlorophenoxyacetic acids, and 2,4-dichlorophenoxyacetic maintains physiological quality during ambient storage. Journal of Aridland Agriculture, 10, 142–149. https://doi.org/10.25081/jaa.2024.v10.8901

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