Comparison of ethylene sensitivity of tomato cultivars

The aim of the study was to investigate the ethylene sensitivity of different types of tomatoes and the effects of ethylene on their postharvest performance. For that purpose, beefsteak, heirloom, and cluster types of tomato fruit were harvested at the breaker maturity stage and divided into two groups one of which was treated with 150 µL L −1 ethylene and the other was untreated for comparison.

Ethylene-treated and untreated fruit was stored at 12 °C and 90+5% relative humidity for 35 days and subsamples were removed every 7 days for postharvest quality analysis. After each removal time, the fruit was kept at 20 °C for 3 days in order to determine shelf-life performance. Ethylene treatment leads to increase respiration rate, ethylene production, weight loss but decreased fruit firmness in all tested tomato cultivars. Minimum ethylene production and respiration rate occurred in untreated beefsteak tomatoes. At the end of the cold storage and shelf-life period, the highest L* values and fruit firmness were recorded for control beefsteak tomatoes.

The conclusion drawn from this experiment was that the cluster type of tomatoes was more sensitive, while beefsteak type of tomatoes was found to be less sensitive to ethylene treatment as they had the highest and lowest amount of ethylene productions respectively. Untreated beefsteak tomatoes exhibited maximal postharvest quality compared to other treatments after 35 days cold storage and shelf life.

Read the complete research at www.researchgate.net.

Ali, Qasid & Kurubas, Mehmet & Erkan, Mustafa. (2021). Comparison of Ethylene Sensitivity of Three Tomato Cultivars From Different Tomato Types and Effects of Ethylene on Postharvest Performance. Tarim Bilimleri Dergisi. 27. 476-483. 10.15832/ankutbd.715171. 


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