Increase in ethylene production during ripening is a characteristic of

An increase in ethylene production during ripening is a characteristic of climacteric fruits.
Climacteric fruits: these are the fruits that will be ripe after being picked up. It can also be defined as the stage of fruit ripening with increased ethylene production as the increase of respiration in cells.
Examples: Mango, Banana, Sapota, Guava, etc.