Effect of 1-methylcyclopropene treatment on quality of ‘Zebra’ apricot harvested at different maturity stages

Ha, Thi Thanh Nga and Pham, Thanh Tung and Dam, Sao Mai and Mac, Xuan Hoa and Nguyen, Lien and Hitka, Géza and Zsom, Tamás (2023) Effect of 1-methylcyclopropene treatment on quality of ‘Zebra’ apricot harvested at different maturity stages. PROGRESS IN AGRICULTURAL ENGINEERING SCIENCES, 19 (S1). pp. 69-76. ISSN 1786-335X

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Abstract

This study focuses on the contribution of maturity stages and 1-methylcyclopropene (1-MCP) treatment to the quality of ‘Zebra’ apricot. Samples were harvested at mature-green, yellow and orange maturity stages. Fruit were treated with gaseous 1-MCP (24 h at 1 °C), followed by cold storage at 1 °C for 6 weeks. Non-destructive measurements were used to evaluate the quality changes of apricot during storage. The results showed that the maturity stages significantly affected the weight loss. The loss of weight increased rapidly for orange ripeness stage fruit, more than others during storage. Both maturity and 1-MCP affected the stiffness of apricot. The 1-MCP could delay the softening of fruit. The green and yellow maturity stages retained higher values in stiffness compared to orange. No significant difference in hue angle values was observed between 1-MCP treated and control fruit, however hue angle value decreased strongly in mature-green harvested fruit. The maturity stages and 1-MCP treatment had the effect on quality changes of apricot over storage. The maturity stage was an important factor contributing to the effectiveness of 1-MCP application as it was observed in slower softening after harvest.

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