Chemical and Physical Development of the Pineapple Fruit I. Weight per Fruitlet and Other Physical Attributes

摘要

SUMMARYTwo lots of pineapple fruit were examined for changes during development in weight, eye (fruitlet) weight, volume, cell volume, density, length, width, weight distribution by parts, juice yield, surface tension, viscosity, tendency to foam, and maximum ultraviolet absorbance of the juice. The period from the end of blooming to fully ripe fruit was covered (116 days total, fruit weight from 0.38 to 4.75 lb). Weight per eye, fruit weight, volume, cell volume, and density increased regularly during development. Length‐width ratio, proportion of weight in shell, core, and flesh, relative juice yield, and cells per eye were relatively constant over all but the very early stages of this period. The remaining factors appeared to be considerably influenced by short‐term conditions, possibly sunlight, and soil moist