Abstract

This research aimed to identify the possible effects of the moment of Aminoethoxyvinylglycine (AVG) application
during near harvest period on ethylene biosynthesis and find out the most appropriate possible way to control the
process for maximum prolonging the postharvest shelf - life of bananas. Results indicated that the most appropriate
moment of AVG application is from the 74th to 78th days after formation of the last hand of a bunch has been finished
as AVG showed some inhibition effects on ACC, ACC oxydase and ethylene synthesis. ACC, ACC oxydase and
ethylene production of the fruits sprayed with AVG of 0.8 g/l on the 78th day, harvested and stored at 13±1oC for four
weeks were 1.09 (nmol C2H4.g-1), 0.44 (nmol C2H4.g-1.h-1) and 0.11 (?l C2H4.kg-1.h-1) respectively while the ACC,
ACC oxydase and ethylene production of non - treated fruits stored in the same conditions were 6.89 (nmol C2H4.g-1),
2.18 (nmol C2H4.g-1.h-1) and 1.48 (?l C2H4.kg-1.h-1) respectively.

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