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열대아시아 적응 다수성 자포니카 벼 ‘아세미1호’

원용재1, 정응기1,*, 강경호1, 홍하철2, 조영찬1, 정오영1, 장재기3, 양운호1, 정국현1, 여운상1, 서대하1, 성낙식1, 이점호1, 김보경1

A High-Yielding Japonica Rice ‘Asemi1’ Adaptable to Tropical Asia

Korean Journal of Breeding Science 2019;51(2):140-145.
Published online: June 1, 2019

농촌진흥청 국립식량과학원

농촌진흥청 국립농업과학원

농촌진흥청 국립원예특작과학원

National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea

National Institute of Agricultural Science, RDA, Wanju 55365, Republic of Korea

National Institute of Horticultural and Herbal Science, RDA, Wanju 55365, Republic of Korea

*(E-mail: egjeong@korea.kr, Tel: +82-31-695-4022, Fax: +82-31-695-4029)
• Received: April 23, 2019   • Revised: April 24, 2019   • Accepted: May 17, 2019

Copyright: © 2019 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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  • Integrating genotype-by-environment interaction and machine learning to evaluate yield-related traits in Korean rice cultivars
    Seung Young Lee, Hayeong Lee, Jiheon Han, Ji-Ung Jeung, Youngjun Mo
    Journal of Crop Science and Biotechnology.2025; 28(5): 593.     CrossRef

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A High-Yielding Japonica Rice ‘Asemi1’ Adaptable to Tropical Asia
Korean. J. Breed. Sci.. 2019;51(2):140-145.   Published online June 1, 2019
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Korean. J. Breed. Sci.. 2019;51(2):140-145.   Published online June 1, 2019
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A High-Yielding Japonica Rice ‘Asemi1’ Adaptable to Tropical Asia
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Fig. 1 Pedigree diagram of ‘Asemi1’.
Fig. 2 Genealogical diagram of ‘Asemi1’.
A High-Yielding Japonica Rice ‘Asemi1’ Adaptable to Tropical Asia

Major agronomic traits and yield components.

Variety Heading date Culm lengthz (cm) Panicle length (cm) No. of panicles/hill No. of spikelet/panicle Ratio of ripened grain (%) 1000-grain weight of brown rice (g)
Asemi1 July.29* 84ns 21ns 14ns 110ns 87.4ns 22.3ns
Hwaseong Aug.12 87 22 14 101 89.3 23.1

zLength from soil surface to panicle neck

*Significant at 5% level

nsNo significance

Reaction to blast disease.

Variety Reaction to blast nursery test (0-9)z Area ratio to leaf lesion of Magnaporthe grisea of sequential plantings (%) Reaction to neck blastx (%)

No. of tested sitesy



R
(0-3)
M
(4-6)
S
(7-9)
Mean 1 2 3 4 5 6 7 Persistence (0-7) No. of susceptible race(33) Iksan Icheon
Asemi1 10 1 1 2.8** 30.2 31.8 5.0 8.0 9.5 0.0 0.0 5 8** 0.1* 0.4ns
Hwaseong 1 5 6 6.2 26.0 55.0 48.3 52.7 37.7 45.3 1.2 6 18 6.5 1.9

zN: fertilizer of blast nursery test: 240 kg/ha

yR: Resistant, M: Moderately resistant, S: Susceptible

xN: fertilizer of neck blast test: 220 kg/ha

*,**significant at 5% and 1% level, respectively

nsNo significance

Reaction to bacterial blight, virus disease and insect pests.

Variety Bacterial blightz Virus diseases Resistance to insects



K1 K2 K3 K3a Stripe (%) Dwarf BSDy BPHX SBPHw
Asemi1 S S S S S (80.0) S S S S
Hwaseong S S S S R (20.0) S S S S

zR: Resistant, S: Susceptible

yBSD: Black streaked dwarf

xBPH: Browon planthopper

wSBPH: Small brown planthopper

Response to physiological and abiotic stresses.

Variety Premature Heading (%) Occurrence of wilting Leaf senescence at maturing Cold tolerancez Viviparous Germinationw
(%)

Discol- Oration (1-9)y Heading Delay (day) Grain Fertility (%) PAx
(1-9)
Asemi1 2.2ns Strong Medium 1 14 35ns 6 53.2*
Hwaseong 0.0 Strong Late 1 11 37 6 27.7

zCold tolerance was evaluated in Chuncheon cold-water (17℃) irrigated nursery

yEvaluation at maximum tillering stage (1: tolerance; 9: susceptible)

xPhenotypic Acceptability (1: tolerance; 9: susceptible)

wGermination rate at 7 days after incubation

*significant at 5% level

nsNo significance

Characteristics related to grain shape and grain quality.

Variety Brown rice White core/velly Alkali digestive Value (1~7) Protein Content (%) Amylose Content (%)

Length (mm) Width (mm) L/W ratio
Asemi1 4.99ns 2.73ns 1.83ns 0/1 6.7ns 7.3* 19.6ns
Hwaseong 5.10 2.86 1.78 0/1 6.7 6.5 19.6

*Significant at 5% level

nsNo significance

Characteristics related to milling quality.

Variety Milling recovery ratio (%) Head rice milling recovery ratio (%)

Brown/rough Milled/brown Milled/rough Head rice
Asemi1 81.9ns 91.1ns 74.6ns 85.1* 63.5*
Hwaseong 83.0 91.6 76.0 96.8 73.6

*Significant at 5% level

nsNo significance

Yield potential of ‘Asemi1’ on local adaptability test.

Region Tested sites Average milled rice yield (MT/ha) Index (A/B)

Asemi1 (A) Hwaseong (B)
Middle plain area Suwon 5.90 5.49ns 107
Yeoju 5.92 5.32* 111
Yeoncheon 5.57 5.20ns 107
Chuncheon 5.88 5.58ns 105

Average 5.82 5.40 108

Middle-mountain plain area Cheolwon 6.37* 5.80z* 110
Jecheon 5.48 4.96z* 110
Sangju 6.30 5.97z,ns 106

Average 6.05 5.58z 108

Average 5.92 5.47 108

zOdaebyeo

*significant at 5% level

nsNosignificance

Table 1 Major agronomic traits and yield components.

Length from soil surface to panicle neck

Significant at 5% level

No significance

Table 2 Reaction to blast disease.

N: fertilizer of blast nursery test: 240 kg/ha

R: Resistant, M: Moderately resistant, S: Susceptible

N: fertilizer of neck blast test: 220 kg/ha

significant at 5% and 1% level, respectively

No significance

Table 3 Reaction to bacterial blight, virus disease and insect pests.

R: Resistant, S: Susceptible

BSD: Black streaked dwarf

BPH: Browon planthopper

SBPH: Small brown planthopper

Table 4 Response to physiological and abiotic stresses.

Cold tolerance was evaluated in Chuncheon cold-water (17℃) irrigated nursery

Evaluation at maximum tillering stage (1: tolerance; 9: susceptible)

Phenotypic Acceptability (1: tolerance; 9: susceptible)

Germination rate at 7 days after incubation

significant at 5% level

No significance

Table 5 Characteristics related to grain shape and grain quality.

Significant at 5% level

No significance

Table 6 Characteristics related to milling quality.

Significant at 5% level

No significance

Table 7 Yield potential of ‘Asemi1’ on local adaptability test.

Odaebyeo

significant at 5% level

Nosignificance