The Effect of AVG (Aminoethoxyvinylglycine) Treatment and Maturity Stages on Physico-mechanical and Chemical Properties of Plum (cv. Giant) Fruit Effect of AVG Treatment on Physical, Mechanical and Chemical Properties of Plum (cv. Giant) Fruits

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AVG (Aminoethoxyvinylglycine) has been widely used in plum and improved the quality of fruit. And also, AVG treatment has been delayed fruit maturity and decreased the preharvest fruit drop by inhibiting ethylene that cause to accelerate the maturation at period before harvest.The effect of AVG (Aminoethoxyvinylglycine) treatment and harvest periods on physical, chemical and mechanical properties of plum (cv. Giant) fruit was determined. The geometric mean diameter was lower in the after full blooming 143 days (13 August harvest date) than after full blooming 150 days (20 August harvest date). The surface area and porosity of plum fruit were higher in in the after full blooming 150 days (20 August) than the after full blooming 143 days (13 August harvest date).  L*, b*,  C* and h colour characteristics with harvesting dates, b* values decreased with harvesting date changes; whereas, L*, a*, b* and C* colour characteristics of plum fruit decreased for 200 mg L-1 AVG treatment with harvesting date, respectively. In general, the friction coefficients of plum fruit for laminate friction surface were found lower than the other friction surfaces such as galvanized steel, plywood and chipboard). Generally, the rupture force, deformation and absorbed energy of plum fruit decreased for 100 mg L-1 AVG treatment for after full blooming 143 and 150 days (13 August and 20 August harvesting dates) along Z- axial axis for compression tests. The force required to initiate plum fruit rupture on the X-axis decreased as AVG doses increased from 0 to 200 mg L-1. The results indicated that the rupture force along all three axes is highly dependent on harvesting date over the AVG doses ranges investigated. Chemical characteristics of plum fruit [SSC, Soluble solid content, TA,  titratable acidity, pH changed from 12.17 to 10.80 (11.26% decrease); from 3.543 to 3.637 (2.82% increase); from 1.441 to 1.146 (20.48% decrease) for after full blooming 143 days (13 August harvesting date) with AVG dose increase from 0 mg L-1 to 200 mg L-1, respectively. For this reason, post-harvest technological applications of the plum fruit must be designed while taking these criteria into consideration such as physical, mechanical and chemical properties of plum fruit.


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ALTUNTAS, E., OZTURK, B., & SARACOGLU, O. (2019). The Effect of AVG (Aminoethoxyvinylglycine) Treatment and Maturity Stages on Physico-mechanical and Chemical Properties of Plum (cv. Giant) Fruit. Advances in Agricultural Science, 7(2), 88-99. Retrieved from


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