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조생 복합내병성 최고품질 벼 ‘진광’

이정희1, 원용재1, 정국현1, 장재기2, 안억근1, 현웅조1, 성낙식1, 정응기1,*, 조영찬1, 강경호1, 서대하1

‘Jinkwang’, a High-quality Rice Variety with Early Maturity and Multiple Disease Resistance

Korean Journal of Breeding Science 2019;51(1):41-47.
Published online: March 1, 2019

농촌진흥청 국립식량과학원

농촌진흥청 국립원예특작과학원

National Institute of Crop Science, RDA, Wanju 565-851, Republic of Korea

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

*(E-mail: egjeong@korea.kr, Tel: +82-031-695-4022, Fax: +82-031-695-4029)
• Received: January 30, 2019   • Revised: February 7, 2019   • Accepted: February 13, 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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  • High Grain Quality Mid-late Maturing Rice Cultivar ‘Yechan’ with Lodging Tolerance and Multiple Disease Resistance
    Man-Kee Baek, Hyun-Su Park, Jeong-Kwon Nam, Young-Chan Cho, Ki-Young Kim, Jeong-Ju Kim, Woo-Jae Kim, Woon-Chul Shin, Ji-Ung Jeung, Choon-Song Kim, Jong-Min Jeong, Keon-Mi Lee, Seul-Gi Park, Chang-Min Lee, Jung-Pil Suh, Jeom-Ho Lee
    Korean Journal of Breeding Science.2019; 51(4): 504.     CrossRef

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‘Jinkwang’, a High-quality Rice Variety with Early Maturity and Multiple Disease Resistance
Korean. J. Breed. Sci.. 2019;51(1):41-47.   Published online March 1, 2019
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‘Jinkwang’, a High-quality Rice Variety with Early Maturity and Multiple Disease Resistance
Korean. J. Breed. Sci.. 2019;51(1):41-47.   Published online March 1, 2019
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‘Jinkwang’, a High-quality Rice Variety with Early Maturity and Multiple Disease Resistance
Image Image
Fig. 1 Pedigree diagram of ‘Jinkwang1’.
Fig. 2 Genealogical diagram of ‘Jinkwang’.
‘Jinkwang’, a High-quality Rice Variety with Early Maturity and Multiple Disease Resistance

Major agronomic traits and yield components.

Variety Days of growth in paddy field z Culm length (cm) Panicle length (cm) No. of panicles/hill No. of spikelets/panicle Ratio of ripened grain (%) 1000-grain weight of brown rice (g)
Jinkwang 114 * 62 * 20ns 16ns 100ns 75.9ns 21.8ns
Jopyeong 108 75 19 15 102 80.5 21.1

days from transplanting to maturity

significant at 5%

not significant

Reaction to blast disease.

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

No. of tested sites (14)



R z M S Mean 1 2 3 4 5 Persistence (0-5) No. of susceptible race (23) Ichon Iksan
Jinkwang 4 8 0 4.2 * 40 60 40 40 50 5 17 3.6ns 2.7ns
Jopyeong 9 3 0 2.6 20 1 1 1 0 0 3 0.3 0.4

R: resistant (0~3); M: moderately resistant (4~6); S: susceptible (7~9) N fertilizer: Blast nursery test=240 kg/ha, Neck blast=220 kg/ha

significant at 5%

not significant

Reaction to bacterial blight, virus disease and insect pests.

Variety Bacterial blight Virus diseases Resistance to insects



K1 K2 K3 K3a Stripe (%) Dwarf Black-streak dwarf BPH z SBPH
Jinkwang R y R R S S (83.5) S S S S
Jopyeong S S S S R (22.6) S S S S

BPH: brown plant hopper; SBPH: small brown plant hopper.

R: resistance, S: susceptible

Response to physiological and abiotic stresses.

Variety Premature heading (%) Occurrence of wilting Leaf senescence at maturing Cold tolerance y Viviparous w germination (%)

Discol-oration (1-9) z Heading delay (day) Grain fertility (%) PA x
Jinkwang 39 * Strong Late 1 8ns 48ns 5 28.3ns
Jopyeong 52 Strong Late 1 11 52 5 29.2

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

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

Phenotypic Acceptability

Germination rate at 7 days after incubation in 25°C chamber

Significant at 5% and 1% level, respectively

not significant

Some characteristics related with lodging.

Variety Plant z hight (cm) Third internode length (cm) Top fresh weight (g) Breaking strength (g) Moment (g.cm) Lodging index Lodging in the field (0~9)
Jinkwang 82 * 6.5 * 16.6ns 542 ** 1,168ns 184 * 1
Jopyeong 94 11.7 13.5 360 1.057 204 2

length from upper part of root up to panicle

Significant at 5% and 1% level, respectively

not significant

Characteristics related to grain shape and grain quality.

Variety Brown rice White core/velly Alkali digestive value (1~7) Protein content (%) Amylose content (%) Palatability of cooked rice (-3~3)

Length (mm) Width (mm) L/W ratio
Jinkwang 4.91 2.90 2.01 0/1 5.9ns 6.2ns 17.9ns 0.42
Jopyeong 4.80 2.77 2.03 0/1 5.8 6.5 18.6 -0.02

not significant

Characteristics related to milling quality.

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

Brown/rough Milled/brown Milled/rough Head rice
Jinkwang 82.7ns 91.8ns 75.9ns 86.5ns 65.6ns
Jopyeong 80.1 91.2 73.0 89.8 65.6

not significant

Results of yield potential of ‘Jinkwang’ on local adaptability test.

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

Jinkwang Jopyeong


’14 ’15 ’16 Ave. (A) ’14 ’15 ’16 Ave. (B)
Ordinary planting culture Middle plain Suwon 5.74 5.15 4.56 5.15ns 5.49 5.42 5.54 5.48 94
Yeoju 6.01 6.01 5.55 5.86 * 5.32 5.38 4.85 5.18 113
Yeoncheon 5.44 5.63 5.34 5.47ns 5.20 5.27 5.25 5.24 105
Chuncheon 5.85 6.20 6.28 6.11ns 5.58 5.97 5.87 5.81 105

Average 5.76 5.75 5.43 5.65 5.40 5.51 5.38 5.43 104

MMP z Cheolwon 6.34 6.66 5.53 6.18 * 5.80 5.73 5.59 5.71 108
Sangju 6.15 5.95 6.01 6.04ns 5.97 5.58 5.53 5.69 106
Jecheon 5.58 5.72 6.28 5.86 * 4.96 5.31 6.07 5.45 108

Average 6.02 6.11 5.94 6.02 5.58 5.54 5.73 5.62 107

ENC y Gangneung 6.15 6.66 7.08 6.63 * 5.44 5.47 6.17 5.69 117

Average 5.91 6.00 5.83 5.91 5.47 5.52 5.61 5.53 107

MMP: Middle-mountain plain area

ENC: East-north coastal area

not significant

significant at 5% level

Table 1 Major agronomic traits and yield components.

days from transplanting to maturity

significant at 5%

not significant

Table 2 Reaction to blast disease.

R: resistant (0~3); M: moderately resistant (4~6); S: susceptible (7~9) N fertilizer: Blast nursery test=240 kg/ha, Neck blast=220 kg/ha

significant at 5%

not significant

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

BPH: brown plant hopper; SBPH: small brown plant hopper.

R: resistance, S: susceptible

Table 4 Response to physiological and abiotic stresses.

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

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

Phenotypic Acceptability

Germination rate at 7 days after incubation in 25°C chamber

Significant at 5% and 1% level, respectively

not significant

Table 5 Some characteristics related with lodging.

length from upper part of root up to panicle

Significant at 5% and 1% level, respectively

not significant

Table 6 Characteristics related to grain shape and grain quality.

not significant

Table 7 Characteristics related to milling quality.

not significant

Table 8 Results of yield potential of ‘Jinkwang’ on local adaptability test.

MMP: Middle-mountain plain area

ENC: East-north coastal area

not significant

significant at 5% level