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중생 복합내병성 고품질 벼 ‘삼광1호’

이정희1, 원용재1, 조영찬1, 이점호, 양창인1, 김명기1, 안억근1, 서정필1, 이상복1, 전용희1, 성열규1, 정응기1,*, 하운구1, 장재기2, 정국현1, 윤미라1, 강경호1, 박향미1, 노재환1, 김보경1

‘Samkwang1’, a Medium Maturing, Multiple Disease Resistant, and High-quality Rice

Korean Journal of Breeding Science 2018;50(4):490-496.
Published online: December 1, 2018

농촌진흥청 국립식량과학원

농촌진흥청 국립원예특작과학원

National Institute of Crop 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: August 13, 2018   • Revised: August 14, 2018   • Accepted: October 22, 2018

Copyright: © 2018 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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    Plants.2021; 10(4): 804.     CrossRef
  • 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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‘Samkwang1’, a Medium Maturing, Multiple Disease Resistant, and High-quality Rice
Korean. J. Breed. Sci.. 2018;50(4):490-496.   Published online December 1, 2018
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Korean. J. Breed. Sci.. 2018;50(4):490-496.   Published online December 1, 2018
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‘Samkwang1’, a Medium Maturing, Multiple Disease Resistant, and High-quality Rice
Image Image
Fig. 1 Pedigree diagram of ‘Samkwang1’.
Fig. 2 Genealogical diagram of ‘Samkwang1’.
‘Samkwang1’, a Medium Maturing, Multiple Disease Resistant, and High-quality Rice

Major agronomic traits and yield components.

Variety Heading date 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)
Samkwang1 Aug. 8 77* 20ns ns 128* 87.4ns 21.7*
Hwaseong Aug. 10 84 21 13 98 90.6 23.2

*significant at 5%,

nsnot 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 (40) Ichon Iksan
Samkwang1 4 9 1 4.4* 80 55 80 80 40 5 23 0.5 9.7
Hwaseong 2 8 4 5.8 80 75 80 40 40 5 30 0.8 12.7

zR: 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% level

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
Samkwang1 R y R R S R (23.0) S S S S
Hwaseong S S S S R (23.3) S S S S

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

yR: 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
Samkwang1 0.0 Strong Late 1 10ns 23* 7 2.1**
Hwaseong 0.0 Strong Late 1 9 53 6 21.4

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

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

xPhenotypic Acceptability

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

nsnot significant

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

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)
Samkwang1 95* 10.8 16.6* 542** 1,617 298 5
Hwaseong 104 10.1 13.5 360 1.423 394 3

zlength from upper part of root up to panicle

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

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
Samkwang1 4.91 2.77 1.77 0/0 6.2ns 6.2ns 18.9ns 0.35
Hwaseong 5.09 2.84 1.80 0/1 6.5 6.6 19.7 -0.08

nsnot significant

Characteristics related to milling quality.

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

Brown/rough Milled/brown Milled/rough Head rice
Samkwang1 82.2ns 91.0ns 74.9ns 94.2* 70.5*
Hwaseong 82.2 90.9 74.8 81.6 61.1

*significant at 5% level

nsnot significant

Results of yield potential of ‘Samkwang1’ on local adaptability test.

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

Samkwang1 Hwaseong


’13 ’14 ’15 Ave. (A) ’13 ’14 ’15 Ave. (B)
Ordinary planting culture Middle plain Suwon 568 605 567 580 507 549 542 533 109
Hwaseong 543 585 589 572 494 495 571 520 110
Yeoju 519 601 608 576 495 532 538 522 110
Yeoncheon 607 583 568 586 529 520 527 525 112
Chuncheon 587 633 596 605 575 558 597 577 105
Cheongju 541 574 513 543 501 506 587 498 109

Average 561 597 574 577* 517 527 544 529 109

SMP z Boeun 547 565 581 564 497 535 520 517 109
Jinan 501 525 523 516 511 493 506 503 102
Andong 603 501 527 544 598 498 535 544 100

Average 550 530 544 541ns 535 509 520 521 104

ENC y Yeongdeok 589 693 566 616* 527 608 505 547 113

MWC x Namyang 397 575 452 475ns 422 510 431 454 104

Average 546 585 554 562ns 514 528 525 522 108

zSMP: South middle plain area

yMWC: Mid-west coastal area

xENC: East-north coastal area

nsnot significant

*significant at 5% level

Table 1 Major agronomic traits and yield components.

significant at 5%,

nsnot 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% level

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

nsnot significant

Significant at 5% and 1% level, respectively

Table 5 Some characteristics related with lodging.

length from upper part of root up to panicle

Significant at 5% and 1% level, respectively

Table 6 Characteristics related to grain shape and grain quality.

nsnot significant

Table 7 Characteristics related to milling quality.

significant at 5% level

nsnot significant

Table 8 Results of yield potential of ‘Samkwang1’ on local adaptability test.

SMP: South middle plain area

MWC: Mid-west coastal area

ENC: East-north coastal area

nsnot significant

significant at 5% level