Assessment of the Potential of 1-Methylcyclopropene Treatments to Maintain Fruit Quality of the Common Fig (<i>Ficus carica</i> L. cv. ‘Bursa Siyahi’) during Refrigerated Storage

Abstract

The fig fruit is a unique, climacteric, highly perishable subject to rapid physiological breakdown. Application of 1-methylcyclopropene (1-MCP) was tested to delay ripening of black fig (Ficus carica L. cv. 'Bursa Siyahi') during storage over two growing seasons. Fruits were pre-cooled to 1 °C for 6 hours and afterwards treated with 500 or 1000 nl l -1 of 1-MCP for 24 hours. Treated fruits were stored for 10 days at 1 °C, 90-95% RH and then evaluated. 1-MCP treatments showed that ethylene production, respiration rate, weight loss and concentrations of glucose, fructose and total soluble solids (TSS) were negatively correlated to the 1-MCP doses during cold storage (with the exception of TSS in the first year of experiment and respiration rate in the second year of the experiment). In contrast, pulp firmness and colour (h o ) during cold storage were positively correlated to the 1-MCP applied doses. Results of this study showed that although 1-methylcyclopropene applications slowed down fruit softening during the 10 days of storage, 1-methylcyclopropene appeared to have a relatively limited effect on slowing ripening of 'Bursa Siyahi' figs.

Effect of Postharvest Aminoethoxyvinylglycine, 1- Methylcyclopropene and Jasmonic Acid Treatments on Storability and Quality Maintenance of Apricot Fruit Cv. "Canino"

“…Obtained results of 1-MCP goes on line with those of Valdés et al, (2009) and Mu˜noz-Robredoa et al, (2012) in treated apricot and peaches , Yu et al, (2017) in nectarines and Ozkaya et al, ( 2014) in fig. Also, the previous studies reported that AVG significantly slowed the softening rate for apricot (Palou and Crisosto, 2003;Valdés et al, 2009 andMu˜noz-Robredoa et al, 2012), and pears (Tarabih, 2014 andD'Aquino et al, 2010).…”

“…Similar reduction in fruit weight loss was recorded in 1-MCP treated fig (Ozkaya et al 2014), pears (Mahajan et al, 2010), and sweet cherry (Piazzolla et al, 2015), in addition to AVG treated pears (Tarabih, 2014) and in MeJA treated strawberries (Geransayeh et al, 2015), pomegranate (Zolfagharinasab and Hadian 2007). Meanwhile, Fan et al (2000) and Salvador et al (2003) reported that 1-MCP did not affect apricot and plum fruits weight loss.…”

“…Concerning sugars; obtained results are along with those of Yu et al, (2017) who found that ,Glucose and fructose content of two peach varieties was decreased after 28 days of storage when treating with 1-MCP which, increased the sucrose content, and significantly slowed the sucrose loss. However, Fan et al (2018) and Ozkaya et al, (2014)…”

“…The activation of cell wall degrading enzymes during the ripening progress solubilize the cell wall components which leading to a significant increase in SSC content (Asgharia andAghdam, 2010, andEzzat 2014). 1-MCP application might indirectly affect SSC levels, by influencing the maturity stage of the stored fruits (Ozkaya et al 2014). The increment of SSC on the first storage periods could be due to the increasing in fruit weight loss (Ezzat, 2014).…”

“…These results could be due to the delay of fruit ripening and senescence and maintaining cell integrity as well as to the reduction of respiration rate. Ozkaya et al (2014) explained that decrement in weight loss might be due to, 1-MCP action in inhibit ethylene evolution and decreasing fruit respiration rate.…”