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New Cultivar Developed

향기 나는 배 ‘진향’ 육성

정해원1,*, 김윤경2, 원경호1, 김금선1, 신일섭1, 최진호1, 강삼석1, 서호진1, 조영식1, 강아랑3

‘Jinhyang’: A Fragrant Pear Cultivar

Korean Journal of Breeding Science 2024;56(2):161-168.
Published online: June 1, 2024

1국립원예특작과학원 배연구센터

2국립원예특작과학원 기획조정과

3농촌진흥청 국제기술협력과

1Pear Research Center, National Institute of Horticultural & Herbal Science, RDA, Naju 58216, Republic of Korea

2Planning and Coordination Division, National Institute of Horticultural & Herbal Science, RDA, Wanju 55365, Republic of Korea

3International Technology Cooperation Center, Technology Cooperation Bureau, RDA, Jeonju 54875, Republic of Korea

*Corresponding to Haewon JungTEL. +82-61-330-1541FAX. +82-61-330-1503E-mail. jjhhhwwww@korea.kr
• Received: March 26, 2024   • Revised: April 11, 2024   • Accepted: May 24, 2024

Copyright © 2024 by the Korean Society of Breeding Science

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Development of a Red-skinned Interspecific Hybrid Pear Cultivar, ‘Jungmojeoksaek1ho’
    Haewon Jung, Keumsun Kim, Kyungho Won, EuDdeum Choi, Ung Yang, Young-Sik Cho, Seokkyu Yun
    Korean Journal of Breeding Science.2025; 57(4): 565.     CrossRef

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‘Jinhyang’: A Fragrant Pear Cultivar
Korean. J. Breed. Sci.. 2024;56(2):161-168.   Published online June 1, 2024
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‘Jinhyang’: A Fragrant Pear Cultivar
Image Image
Fig. 1 Pedigree diagram of the fragrant pear ‘Jinhyang’.
Fig. 2 Comparison of main volatile compounds between the new fragrant pear ‘Jinhyang’ and ‘Niitaka’.
‘Jinhyang’: A Fragrant Pear Cultivar

Tree characteristics of the new fragrant pear ‘Jinhyang’ in Naju from 2015 to 2017.

Cultivar Tree One-year-old shoot Disease resistance



Vigor Form Color Length
(cm)
Thickness
(mm)
Internode
length (mm)
No. of axillary flower bud Scab Black spot
Jinhyang Vigorous Spreading Brown 88.3ns 10.6ns 47.5* 3.7*** S R
Niitaka Vigorous Spreading Blackish brown 90.5 11.3 65.8 10.4 HS R

Leaf and flower characteristics of the new fragrant pear ‘Jinhyang’ in Naju from 2015 to 2017.

Cultivar Leaf blade Flower Pollen



Shape Leaf tip Leaf base Margin Color Shape of corolla No. of corolla Color
brightness
Weight
(mg⋅100 flowers-1)
Jinhyang Ellipse Round form Rounded Crenate White Circular 5 5 119.2
Niitaka Ellipse Round form Rounded Crenate White Circular 5 9 None

Fruit characteristics of the new fragrant pear ‘Jinhyang’ in five regions (Suwon, Chuncheon, Jinju, Yecheon, and Naju) from 2015 to 2019.

Cultivar Full bloom
date
Harvest
date
Fruit

weight (g)
Soluble solids
content (°Brix)
Firmness
(kg/8mmØ)
Fruit

shape
Fruit

skin color
Jinhyang 4.11 9.25 439.9** 13.0ns 3.57** Ovate Brown
Niitaka 4.10 9.29 604.6 12.2 2.72 Round oblate Brown

Volatile compounds identified by GC/MS in the new fragrant pear ‘Jinhyang’ and ‘Niitaka’ using SPME as extraction method.

No. Compounds RTZ (min) Jinhyang (ppb) Niitaka (ppb) p-valuey
1 ethyl acetate 6.464 25.84 0.11 0.00***
2 acetic acid 7.345 -x 0.05 0.00***
3 ethyl propanoate 9.282 5.15 - 0.00***
4 ethyl 2-methyl propanoate 11.144 1.29 - 0.03*
5 hexanal 12.969 - 1.95 0.04*
6 ethyl butanoate 12.998 102.02 - 0.00***
7 butyl acetate 13.572 1.11 0.12 0.03*
8 ethyl 2-methyl bytanoate 15.200 10.12 0.01 0.02*
9 (E)-2-hexenal 15.387 2.31 1.17 0.15ns
10 3-heptanone 16.872 0.37 0.42 0.82ns
11 3-heptanol 17.400 0.10 0.97 0.37ns
12 ethyl pentanoate 17.536 6.44 0.01 0.36ns
13 pentyl acetate 18.124 0.10 0.02 0.07ns
14 ethyl 3-methyl 2-batenoate 18.622 0.18 - 0.02*
15 ethyl 3-hydroxy batanoate 19.123 1.71 - 0.03*
16 2-heptenal 20.176 0.11 0.04 0.17ns
17 ethyl hexanoate 21.998 139.82 0.22 0.03*
18 octanal 22.230 0.35 0.15 0.15ns
19 hexyl acetate 22.496 1.53 0.27 0.01**
20 ethyl 2-hexenoate 23.869 1.28 - 0.01*
21 (E)-2-octenal 24.551 0.08 0.03 0.12ns
22 ethyl 2,4-hexadienoate 25.896 9.21 0.01 0.01**
23 nonanal 26.426 1.16 0.39 0.10ns
24 heptyl acetate 26.598 0.03 0.02 0.19ns
25 methyl octanoate 27.107 - - -
26 ethyl 3-hydroxy hexanoate 27.336 0.71 - 0.01*
27 2-nonenal 28.633 0.29 0.09 0.06ns
28 2-decanone 29.788 0.13 0.04 0.23ns
29 ethyl octanoate 29.905 2.81 0.00 0.02*
30 decanal 30.360 0.19 0.05 0.06ns
31 ethyl 2-octanoate 31.791 0.87 - 0.01**
32 (E)-2-decenal 32.459 0.90 0.27 0.10ns
33 methyl 4-decenoate 34.002 - - -
34 methyl decenoate 34.505 - - -
35 ethyl 3-hydorxyl octanoate 34.794 18.18 0.01 0.05ns
36 2-undecenal 36.029 0.69 0.18 0.12ns
37 methyl 2,4-decadienoate 37.026 - 0.04 0.21ns
38 methyl 2,4-decadienoate 38.109 - 0.00 0.37ns
39 6,10- dimethyl-5,9-undecadien-2-one 38.748 0.49 0.15 0.00**
40 ethyl 2,4-decadienoate 39.379 5.32 0.03 0.02*
41 2-farnesene 40.546 8.28 0.04 0.02*
Total 349.16 6.85 -
Table 1 Tree characteristics of the new fragrant pear ‘Jinhyang’ in Naju from 2015 to 2017.

nsnot significantly different between two cultivars. *, ***significantly different between two cultivars at p<0.01 and 0.001, respectively.

Table 2 Leaf and flower characteristics of the new fragrant pear ‘Jinhyang’ in Naju from 2015 to 2017.
Table 3 Fruit characteristics of the new fragrant pear ‘Jinhyang’ in five regions (Suwon, Chuncheon, Jinju, Yecheon, and Naju) from 2015 to 2019.

nsnot significantly different between two cultivars. **significantly different between two cultivars at p<0.01.

Table 4 Volatile compounds identified by GC/MS in the new fragrant pear ‘Jinhyang’ and ‘Niitaka’ using SPME as extraction method.

zRT, retention time.

yns, non-significant; *, significant at p<0.05; **, significant at p<0.01; ***, significant at p<0.001, respectively.

xNot detected.