Abstract
Following the harvest, agricultural products are subjected various negative impacts throughout the way to consumers. Mechanical damages such as color darkening, abrasion, cuts or punctures over the fruit surface are irreversible damages and such damages ultimately end up with significant quality and economic losses. In modern production systems, only a certain portion of the products directly reach from producer to consumers. Majority of these products are subjected to mechanical damages through crush, squeeze, vibration and similar impacts during the harvest and postharvest processes. In this study, Tybeef tomato cultivar grown over the experimental greenhouses of Bati Akdeniz Agricultural Research Institute (BATEM) (control) and 14-193 and 14-206 coded candidate cultivars developed through breeding programs of BATEM were used as the plant material. Resistance parameters of tomato cultivars were determined at 4 different ripening stages (green, turning, pink and red) and 4 different storage durations (4, 8, 12 and 16 days). Resistance parameters decreased with the progress of ripening and storage durations. All measurements and assessments revealed that 14-193 coded candidate cultivar was prominent for resistance parameters.
Highlights
There are intense labor and input in agricultural commodities
Considering the storage durations, the lowest puncture force was observed in 16-day storage
Considering the storage durations, the greatest deformation was observed in 16-day storage
Summary
There are intense labor and input in agricultural commodities. pre and postharvest processes should continuously be monitored to minimize yield losses, to have products complying with certain standards, to supply high-quality products to markets, and to improve the allure of the products. High-quality products should preserve quality attributes for a long time and marketed abroad on demand Such cases will automatically improve both the producer and the country's economy. Losses throughout different processes from the field to consumers (PELEG; HINGA, 1986) Such damages are generally encountered through static and dynamic external forces like a crash, impact, squeeze, and vibration. Several researchers have conducted studies on different agricultural products (GEZER et al, 2000) investigated dimensional attributes, mass, removal force, mass/removal force ratio, total dissolved solids, fruit flesh firmness, and modulus of elasticity of tomato, pepper, eggplant and cucumbers and reported modules elasticity value of 1006 kPa for tomato and 632 kPa for cucumber (MOHSENIN, 1986) and (SITKEI, 1986) conducted studies on external damages generated by static and dynamic forces and identified various types of external damages. The effects of 4 different fruit ripening stages (green, turning, pink, and red) and 4 different storage durations (4, 8, 12, and 16 days) on some resistance parameters of tomato were investigated
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