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지역특화 중만생 자포니카 장립종 벼 ‘아미쌀’

박현수1,*, 이창민1, 김기영1, 정오영1, 정지웅1, 하수경1, 박상철2, 이상혁2, 서정필1, 진민아1, 이현숙1, 서정환1, 박송희1, 박재령1, 강경민1

‘Amissal’: A Region-specific, Mid-late Maturing Long-grain Japonica Rice Cultivar

Korean Journal of Breeding Science 2025;57(4):547-563.
Published online: December 1, 2025

1농촌진흥청 국립식량과학원 기초식량작물부 품종개발과

2당진시농업기술센터

1Crop Breeding Division, Department of Crop Sciences, National institute of Crop and Food Science, RDA, Wanju, 55365, Republic of Korea

2Dangjin Agricultural Technology Center, Dangjin, 31763, Republic of Korea

*Corresponding to Hyun-Su ParkTEL. +82-63-238-5260E-mail. mayoe@korea.kr
• Received: September 24, 2025   • Revised: October 27, 2025   • Accepted: October 30, 2025

Copyright © 2025 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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  • Sukwang1: A Premium-Quality, Mid-late Maturing Rice Cultivar with Improved Resistance to Shattering and Bacterial Blight
    Chang-Min Lee, Hyun-Su Park, Jeonghwan Seo, Songhee Park, Jae-Ryoung Park, O-Young Jeong, Ji-Ung Jeung, Ki-Young Kim, Keon-Mi Lee, Jung-Pil Suh, Su-Keyong Ha, Mina Jin, Hyun-Sook Lee, Kyeongmin Kang, Gileung Lee
    Korean Journal of Breeding Science.2026; 58(3): 321.     CrossRef

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‘Amissal’: A Region-specific, Mid-late Maturing Long-grain Japonica Rice Cultivar
Korean. J. Breed. Sci.. 2025;57(4):547-563.   Published online December 1, 2025
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‘Amissal’: A Region-specific, Mid-late Maturing Long-grain Japonica Rice Cultivar
Korean. J. Breed. Sci.. 2025;57(4):547-563.   Published online December 1, 2025
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‘Amissal’: A Region-specific, Mid-late Maturing Long-grain Japonica Rice Cultivar
Image Image Image Image Image Image Image
Fig. 1 Genealogical diagram of ‘Amissal’.
Fig. 2 Pedigree diagram of ‘Amissal’.
Fig. 3 Plant type at maturing stage (A) and grain shape of milled rice (B).
Fig. 4 Genotype of SD1 (A), qLTG3-1 (B), Stvb-i (C), Xa3 (D), GS3 (E), qSW5 (F). PCR analysis to confirm the allele types of cultivars using gene specific DNA markers. SD1, qLTG3-1, Stvb-i, Xa3, GS3, qSW5 were confirmed by PCR product amplified with primer sd1 (cleaved by Sac Ⅰ), qLTG3-1ind, Indel 7, 9643.T4 (Taqα Ⅰ), GS3-Pst Ⅰ (Pst Ⅰ), and N1212del, respectively. M: size marker, 1: Nampyeong, 2: Sindongjin, 3: Samkwang, 4: Boramchan, 5: JJ624LOX, 6: JJ625LG, 7: Amissal, 8: Jeonju681.
Fig. 5 Characteristics of grain-related traits of ‘Amissal’. Image of brown rice (A). K-means clustering analysis among 227 Korean japonica rice cultivars (B) Dim 1 and 2: dimension 1 and 2.
Fig. 6 Distribution of rice cultivars using pasting and texture properties-related traits. Principal component analysis (A) and K-means clustering analysis (B). PT: pasting temperature, PV: peak viscosity, TV: through viscosity, FV: final viscosity, BD: breakdown, SB: setback, HN: hardness, TN: toughness, AN: adhesiveness, SN: stickness. PC1 and 2: Principal component 1 and 2. Dim1 and 2: dimension 1 and 2.
Fig. 7 Region-specific products using ‘Amissal’. Traditional distilled liquor using broken rice (A). Small package sample of export rice (B). Traditional Korean rice straw handicraft (C).
‘Amissal’: A Region-specific, Mid-late Maturing Long-grain Japonica Rice Cultivar

Major agronomic traits and yield components.

Cultivar Heading
date
(mm.dd)
Culm
length

(cm)
Panicle
length

(cm)
No. of

panicles
per hill
No. of

spikelets
per panicle
Ratio of ripened
grain
(%)
1,000-grain
weight of brown rice
(g)
Amissal 8.17ns 93** 24** 12* 112* 90.4ns 23.8**
Nampyeong 8.15 75 20 14 101 88.8 21.2

Response to physiological and abiotic stresses.

Cultivar Occurrence of wilting Leaf senescence at maturing Cold tolerancez Low tem.
germinationy (%)
Lodging Pre-harvest
sproutingx (%)
Seedling
stage
(1-9)
Heading
delay
(day)
Grain
fertility
(%)
Phenotypic
acceptability
(1-9)
Breaking
strength
(g)
Index
Amissal Tolerance Late 4ns 8ns 48.6ns 5ns 82.7** 1,654** 190** 5.7ns
Nampyeong Tolerance Late 4 9 16.5 7 43.3 1,171 137 3.8

Resistance reaction to blast disease.

Cultivar Reaction to leaf blast at upland blast nursery Reaction to bacterial blight


No. of tested sites (11) Race


Rz M S Mean K1 K2 K3 K3a
Amissal 5 6 0 3.5 R R R S
Nampyeng 3 6 2 4.2 S S S S

Reaction to virus disease and insect pests.

Cultivar Virus diseases Resistance to insects


Stripe Dwarf BPHz SBPH
Amissal Sy S S S
Nampyeng R S S S

Characteristics related to grain shape and grain quality.

Cultivar Brown rice Translucency
(1-9)
White
core/belly
Alkali
digestive value
(1-7)
Protein
content

(%)
Amylose
content

(%)
Palatability of cooked rice
(-3-+3)
Length
(mm)
Width
(mm)
Thickness
(mm)
L/W
ratio
Amissal 6.14** 2.53* 1.91ns 2.43** 1ns 1/0 6.4ns 5.1* 18.6ns 0.23
Nampyeng 5.05 2.78 1.98 1.82 1 0/0 6.3 6.0 18.5 -0.08

Pasting properties of milled rice floury.

Cultivar Pasting
temperature
(℃)
Peak
viscosity


(RVU)
Trough
viscosity


(RVU)
Final
viscosity


(RVU)
Breakdown
(RVU))
Setback
(RVU)
Amissal 73.1bz 199b 137a 221a 62bc 22ab
JJ625LG 72.2c 193bc 139a 217a 54c 24a
Jeonju681 72.6bc 203b 134a 213ab 69b 9c
Nampyeong 73.9a 182c 113b 194b 69b 13bc
Boramchan 72.8bc 189bc 121ab 206ab 68b 17abc
Dasan 74.2a 239a 123ab 204ab 116a -35d
Hanareum2 74.0a 243a 120ab 202ab 122a -41d

Texture properties of cooked rice.

Cultivar Hardness Toughness Adhesiveness Stickiness
Amissal 60.9abz 31.4b 63.7a 112.8a
JJ625LG 59.3ab 33.7ab 59.7abc 109.1a
Jeonju681 60.5ab 33.8ab 61.6ab 110a
Nampyeong 56.8abc 34.4ab 56.1c 63.8b
Boramchan 62.1a 36.4a 55.8c 64.9b
Dasan 51.5bc 33.6ab 58.8abc 72.1b
Hanareum2 47.8c 34.9a 58.3bc 68.8b

Characteristics related to milling quality.

Cultivar Milling recovery ratio (%) Head rice milling recovery ratio
(%)
Brown/rough Milled/brown Milled/rough Head rice
Amissal 83.7 88.1 73.7 81.5 60.1
Nampyeng 81.7 89.3 73.0 96.3 70.3

Yield summary of local adaptability test.

Culture
season
Region No. of
tested sites
Milled rice (kg/a) Index
Amissal (A) Nampyeong (B) A/B
Ordinary
planting
Honam plain 2 575 529 109
West-southern coast 1 531 499 106

Mean 3 560 519 108ns

Agronomic characteristics of ‘Amissal’ at on-farm sites in Dangjin.

On-farm
site
Cultivar Heading
date
(mm.dd)
Culm
length

(cm)
Panicle
length

(cm)
No. of

panicles
per hill
No. of

spikelets
per panicle
Ratio of
ripened
grain
(%)
1,000-grain

weight of
brown rice

(g)
Milled
rice
yield
(kg/10a)
Misomiz Amissal 8.20 98 22 21 95 86.5 26.3 633

Songhak Amissal 8.19 101 23 20 100 87.8 25.9 711
Samkwang 8.15 92 18 25 97 89.9 22.4 686

Agronomic characteristics of ‘Amissal’ under high fertilizer conditions.

Cultivar Heading date
(mm.dd)
Culm length
(cm)
Breaking
strength of culm
(g)
Ratio of
ripened grain
(%)
Milled rice
yield
(kg/10a)
Dry matter yield
of whole crop silage (kg/10a)
Amissal 8.17 102 1,468 80.0 662 2,237
Samkwang 8.13 90 874 74.3 637 1,989
Nokyang 8.12 91 1,816 73.5 459 1,936
Table 1 Major agronomic traits and yield components.

NS, *, and ** mean no significant, significant at p<0.05, and p<0.01 by t-test, respectively.

Table 2 Response to physiological and abiotic stresses.

zCold tolerance was evaluated at cold water (17℃) irrigation nursery in Chuncheon substation, NICS.

yGermination rate for 15 days at 13℃.

xGermination rate for 7 days at 25℃.

NS, *, and ** mean no significant, significant at p<0.05, and p<0.01 by t-test, respectively.

Table 3 Resistance reaction to blast disease.

zR: resistant, M: moderately resistant, S: susceptible.

Table 4 Reaction to virus disease and insect pests.

zBPH: brown planthopper, SBPH: small brown planthopper.

yR: resistant, S: susceptible.

Table 5 Characteristics related to grain shape and grain quality.

NS and * mean no significant and significant at p<0.05 by t-test, respectively.

Table 6 Pasting properties of milled rice floury.

zMeans with same letters in a column are not significantly different at p<0.05 (ANOVA followed by DMRT).

Table 7 Texture properties of cooked rice.

zMeans with same letters in a column are not significantly different at p<0.05 (ANOVA followed by DMRT).

Table 8 Characteristics related to milling quality.
Table 9 Yield summary of local adaptability test.

NS means no significant by t-test.

Table 10 Agronomic characteristics of ‘Amissal’ at on-farm sites in Dangjin.

zRice export company.

Table 11 Agronomic characteristics of ‘Amissal’ under high fertilizer conditions.