Physical, chemical and physiological changes during rambutan (Nephelium lappaceum, L.) fruit development [study conducted in the Philippines]
1982
Fortuna, T.L.C.
Rambutan fruits cv. Maharlika were tagged at anthesis and the physical, chemical and physiological changes were traced up to maturation. The objectives of this study were: a) to establish the growth pattern of rambutan fruits; b) to determine the major chemical and physiological changes occurring during fruit development; c) to establish the actual time course of maturation in rambutan; and d) to provide basic information to future researches. The fruit showed a simple sigmoidal type of growth curve using fruit weight and aril thickness as the parameters. The curve can be divided into three phases: 1) a slow increase in fruit weight (from anthesis to the 12th week), 2) a rapid increase in fruit weight (12th week to the 14th week), and 3) a declining rate of growth (14th week to the 16th week). The amount of dry matter and sugars increased with advancing maturity accompanied by a decreasing starch content
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