Pre-harvest methyl jasmonate spray maintains postharvest quality of Kinnow mandarin (Citrus reticulata) fruits

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  • K S DHAMI ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
  • RAM ASREY ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
  • R R SHARMA ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
  • V R SAGAR ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
  • SUKANTA DASH ICAR-Indian Agricultural Statistics Research Institute, New Delhi
  • A K DUBEY ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India


Low temperature storage, Methyl jasmonate, Pre-harvest spray, Quality


The study was carried out at the experimental orchard of Indian Agricultural Research Institute, New Delhi (2019-20) to evaluate the pre-harvest effect of methyl jasmonate (MeJA) on postharvest quality of Kinnow mandarin (Citrus reticulata Blanco) under low temperature storage. Fruits were sprayed on tree with four concentrations of MeJA (0.1 mM, 0.3 mM, 0.5 mM, 0.7 mM) and control (distilled water) at 40 days and 20 days before commercial harvesting. The harvested fruits were stored consecutively at 2oC for 20 days followed by at 6oC for 20 days with 85-95% relative humidity. All the treatments showed significant results than control, but fruits treated with 0.5 mM MeJA retained higher moisture content (least water loss) and firmness with increase in TSS, acidity, total phenols, ascorbic acid, antioxidant and peroxidase enzyme activity during the storage period of 40 days. Therefore, pre-harvest spray @ 0.5mM MeJA could be an effective alternative to synthetic chemical use in maintaining the quality of Kinnow mandarin fruits during low temperature storage.


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How to Cite

DHAMI, K. S., ASREY, R., SHARMA, R. R., SAGAR, V. R., DASH, S., & DUBEY, A. K. (2021). Pre-harvest methyl jasmonate spray maintains postharvest quality of Kinnow mandarin (Citrus reticulata) fruits. The Indian Journal of Agricultural Sciences, 91(10), 1495–1499.