Effects of AminoethoxyVinylGlycine (AVG) Spraying Time at Preharvest Stage to Ethylene Biosynthesis of Cavendish Banana (Musa AAA)

Le Tan, Nguyen Toan, Le Hoang, Chu Thanh and Le Luan

Journal of Agricultural Science, 2011, vol. 3, issue 1, 206

Abstract: This research aimed to identify the possible effects of the moment of Aminoethoxyvinylglycine (AVG) applicationduring near harvest period on ethylene biosynthesis and find out the most appropriate possible way to control theprocess for maximum prolonging the postharvest shelf - life of bananas. Results indicated that the most appropriatemoment of AVG application is from the 74th to 78th days after formation of the last hand of a bunch has been finishedas AVG showed some inhibition effects on ACC, ACC oxydase and ethylene synthesis. ACC, ACC oxydase andethylene production of the fruits sprayed with AVG of 0.8 g/l on the 78th day, harvested and stored at 13±1oC for fourweeks 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.

Date: 2011
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