Korean Journal of Breeding Science

Table. 3.

Mean values of 12 indices extracted from Top and Side fruit images for 4 Apple cultivars.

Index	Image type	Hongan	Hongro	Fuji	Hwangok
Area	Top	6160.68±597.04^a	5343.83±665.38^b	5468.55±927.4^b	4143.31±385.01^c
Area	Side	3955.82±404.98^a	3694.56±484.16^b	3554.53±525.69^b	2916.51±260.23^c
Perimeter	Top	297.73±14.98^a	276.6±17.53^b	278.57±23.99^b	247.65±11.5^c
Perimeter	Side	254.46±13.13^a	240.92±14.78^b	241.62±18.38^b	221.53±10.46^c
Width	Top	87.88±4.49^a	82.45±5.72^b	82.89±7.39^b	72.29±3.77^c
Width	Side	71.45±3.1^a	67.61±4.18^b	67.85±5.58^b	60.23±2.87^c
Height	Top	89.54±4.34^a	83.73±5.19^b	84.23±7.26^b	73.67±3.47^c
Height	Side	66.5±4.53^a	66.15±4.66^a	63.29±4.48^b	58.83±3.36^c
Major	Top	90.14±4.33^a	84.19±5.36^b	85.43±7.5^b	74.36±3.65^c
Major	Side	73.44±3.13^a	70.12±4.65^b	69.53±5.31^b	62.58±2.63^c
Minor	Top	86.83±4.44^a	80.53±4.95^b	80.95±6.85^b	70.8±3.39^c
Minor	Side	68.43±4.49^a	66.83±4.28^ab	64.77±4.77^b	59.23±3.05^c
Feret	Top	90.65±4.22^a	85.18±5.6^b	85.83±7.52^b	74.88±3.6^c
Feret	Side	75.23±3.87^a	72.58±4.91^b	71.09±5.13^b	64.51±2.98^c
MinFeret	Top	86.65±4.54^a	80.16±5.04^b	80.86±6.82^b	70.74±3.26^c
MinFeret	Side	66.3±4.39^a	65.47±4.14^a	63.09±4.59^b	58.21±3.25^c
Circularity	Top	0.8713±0.01^a	0.8753±0.01^ab	0.8797±0.01^b	0.8477±0.02^c
Circularity	Side	0.77±0.03^b	0.8±0.03^a	0.76±0.03^bc	0.75±0.04^c
Aspect ratio	Top	1.0393±0.02^a	1.0463±0.02^ab	1.0555±0.03^b	1.0500±0.03^ab
Aspect ratio	Side	1.0750±0.05^a	1.0507±0.02^b	1.0738±0.03^a	1.0573±0.03^ab
Roundness	Top	0.9633±0.02^a	0.9573±0.02^ab	0.9483±0.03^b	0.9530±0.02^ab
Roundness	Side	0.9320±0.04^a	0.9533±0.02^b	0.9321±0.03^a	0.9467±0.03^ab
Solidity	Top	1.00±0.00	1.00±0.00	1.00±0.00	1.00±0.00
Solidity	Side	0.99±0.00	0.99±0.00	0.99±0.00	0.99±0.00

*Values with different letters (a-c) are statistically different at p<0.05 significant level (post hoc Duncan’s test); data represent the means±SD (n=30).

Korean J. Breed. Sci. 2023;55:303-10 https://doi.org/10.9787/KJBS.2023.55.4.303