Fig. 2: Fruit morphology of hormone-treated and control fruits.

a–g Fruits on tree, 14 days after treatment (DAT). a GA3-treated. b NAA-treated. c GA3 + NAA-treated. d NPA-treated. e Negative control. f Hand-pollinated control. g Open-pollinated control. h–n Longitudinally sectioned fruits at 18 DAT. h GA3-treated. i NAA-treated. j GA3 + NAA-treated. k NPA-treated. l Negative control. m Hand-pollinated control. n Open-pollinated control. o–r Hand-pollinated and GA3-treated fruit morphology at harvest (132 DAT). o Longitudinal section of GA3-treated fruit. p Medial cross-section of GA3-treated fruit showing lack of seeds. q Longitudinal section of a hand-pollinated fruit. r Medial cross-section of hand-pollinated fruit showing seeds present in three out of five locules. Ovary wall/hypanthium boundaries partially indicated by white arrows and dashed line. Representative locules indicated by black arrows. Scale bar = 10 mm